body {
  font-family: "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  margin: 0;
  padding: 0;
  overflow-x: hidden;
  transition:
    background-color 0.3s,
    color 0.3s;
}

/* --- Layout & Top Bar --- */
.top-bar {
  background-color: var(--card-color);
  border-bottom: 3px solid var(--primary-red);
  padding: 0 20px;
  height: 60px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  box-sizing: border-box;
  transition: background-color 0.3s;
}
.bar-left {
  display: flex;
  align-items: center;
  gap: 20px;
}
.bar-right {
  display: flex;
  align-items: center;
  gap: 20px;
}
.hamburger-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-bright);
}
.hamburger-btn svg {
  width: 28px;
  height: 28px;
  stroke: currentColor;
}
.app-title {
  font-size: 1.2rem;
  font-weight: bold;
  letter-spacing: 1px;
}
.app-title span {
  color: var(--primary-red);
}

.avatar {
  width: 35px;
  height: 35px;
  background: var(--input-bg);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-color);
  overflow: hidden;
}
.avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* --- Sidebar --- */
.sidebar {
  position: fixed;
  top: 60px;
  left: -250px;
  width: var(--nav-width);
  height: calc(100% - 60px);
  background: var(--card-color);
  border-right: 1px solid var(--border-color);
  transition:
    left 0.3s ease,
    background-color 0.3s;
  z-index: 999;
  padding: 20px;
  box-sizing: border-box;
}
.sidebar.active {
  left: 0;
}
.nav-item {
  padding: 12px;
  border-radius: 4px;
  color: var(--text-muted);
  cursor: pointer;
  display: block;
  margin-bottom: 5px;
  transition: 0.2s;
  text-decoration: none;
}
.nav-item:hover {
  background: var(--input-bg);
  color: var(--text-bright);
}

.admin-menu {
  display: none !important;
}

body.is-admin .admin-menu {
  display: block !important;
}

/* --- Main Content Area --- */
.main-container {
  margin-top: 80px;
  padding: 20px;
  max-width: 1000px;
  margin-left: auto;
  margin-right: auto;
}

.page-header {
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 10px;
  margin-bottom: 25px;
}
.page-header h2 {
  margin: 0;
  color: var(--text-bright);
}

/* Stacked Layout (Horizontal Split) */
.settings-grid {
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.card {
  background: var(--card-color);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 25px;
  transition: background-color 0.3s;
}
.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 15px;
}
.card-header h3 {
  margin: 0;
  color: var(--text-bright);
}

/* --- Form Elements --- */
.form-row {
  display: flex;
  gap: 20px;
  margin-bottom: 20px;
}
.form-group {
  flex: 1;
}
@media (max-width: 768px) {
  .form-row {
    flex-direction: column;
    gap: 0;
  }
  .form-group {
    margin-bottom: 20px;
  }
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 600;
}
.form-control {
  width: 100%;
  padding: 10px 12px;
  background: var(--input-bg);
  color: var(--text-bright);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  box-sizing: border-box;
  font-size: 1rem;
  transition: border 0.3s;
}
.form-control:focus {
  outline: none;
  border-color: var(--primary-red);
}
.form-control[readonly] {
  opacity: 0.7;
  cursor: not-allowed;
}


.btn-primary {
  background-color: var(--primary-red);
  color: var(--text-bright);
}

.btn:hover {
  background: var(--primary-red-hover);
}
.btn-secondary {
  background: var(--input-bg);
  color: var(--text-bright);
  border: 1px solid var(--border-color);
}
.btn-secondary:hover {
  background: var(--border-color);
}

/* --- Phone OTP Setup --- */
.phone-wrapper {
  display: flex;
  align-items: center;
  gap: 10px;
  position: relative;
}
.verified-badge {
  display: flex;
  align-items: center;
  gap: 5px;
  color: var(--success-glow);
  font-size: 0.85rem;
  font-weight: bold;
  background: rgba(46, 125, 50, 0.2);
  padding: 6px 12px;
  border-radius: 4px;
  border: 1px solid var(--success-green);
  height: 100%;
  box-sizing: border-box;
}
.verified-badge svg {
  width: 16px;
  height: 16px;
  stroke: currentColor;
  fill: none;
}
.otp-section {
  display: none;
  margin-top: 10px;
  gap: 10px;
  background: rgba(200, 36, 47, 0.05);
  padding: 15px;
  border-radius: 4px;
  border: 1px dashed var(--primary-red);
}

/* --- Profile Image Upload --- */
.profile-img-upload {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 25px;
}
.large-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--input-bg);
  border: 2px solid var(--primary-red);
  overflow: hidden;
}
.large-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* --- Floor Plan & Devices --- */
.radio-group {
  display: flex;
  gap: 20px;
  margin-bottom: 20px;
}
.radio-group label {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  color: var(--text-bright);
}

#floor-plan-editor {
  display: none;
  margin-top: 20px;
}
.editor-workspace {
  display: flex;
  gap: 20px;
  margin-top: 15px;
  min-height: 400px;
}

.device-palette {
  width: 250px;
  background: var(--input-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 15px;
  display: flex;
  flex-direction: column;
  transition:
    background-color 0.2s,
    border-color 0.2s;
}
.device-palette.drag-over {
  background: rgba(200, 36, 47, 0.1);
  border-color: var(--primary-red);
  border-style: dashed;
}
.palette-item {
  background: var(--card-color);
  border: 1px solid var(--border-color);
  padding: 10px;
  margin-bottom: 10px;
  border-radius: 4px;
  cursor: grab;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 8px;
}
.palette-item::before {
  content: "";
  display: block;
  width: 12px;
  height: 12px;
  background: var(--primary-red);
  border-radius: 50%;
}

.canvas-area {
  flex-grow: 1;
  border: 2px dashed var(--border-color);
  border-radius: 8px;
  position: relative;
  overflow: hidden;
  background-color: var(--input-bg);
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
}

.mapped-device {
  position: absolute;
  width: 16px;
  height: 16px;
  background: var(--primary-red);
  border: 2px solid white;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  cursor: grab;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
  z-index: 10;
}
.mapped-device:active {
  cursor: grabbing;
  z-index: 20;
}
.mapped-device .label {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0, 0, 0, 0.8);
  color: white;
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 0.75rem;
  white-space: nowrap;
  margin-top: 6px;
  pointer-events: none;
  font-weight: 600;
}



body {
  font-family: "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  margin: 0;
  padding: 0;
  line-height: 1.6;
}

.container {
  max-width: 1400px;
  margin: 30px auto;
  padding: 0 20px;
}

.container-fluid {
    max-width: 1400px;
    margin: 100px auto;
    padding: 0 20px;
}

#top-bar {
  background-color: var(--card-color);
  border-bottom: 3px solid var(--primary-red);
  padding: 15px 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.6);
  height: 45px;
}
.brand {
  font-size: 1.2rem;
  font-weight: bold;
  color: var(--text-bright);
  display: flex;
  align-items: center;
  gap: 10px;
}
.brand span {
  color: var(--primary-red);
}

.admin-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}
.header-actions {
  display: flex;
  gap: 10px;
}
.section-title {
  color: var(--text-bright);
  font-size: 1.5rem;
  margin: 0;
}

.card {
  background-color: var(--card-color);
  border-radius: 8px;
  border: 1px solid var(--border-color);
  padding: 20px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
  margin-bottom: 30px;
}

.sortable {
  cursor: pointer;
  transition: color 0.2s;
  position: relative;
  user-select: none;
}
.sortable:hover {
  color: var(--text-bright);
}
.sort-arrow {
  font-size: 0.8rem;
  margin-left: 5px;
  color: var(--primary-red);
}

.btn {
  background-color: #555555;
  color: white;
  padding: 10px 20px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-weight: bold;
  font-size: 0.85rem;
  text-transform: uppercase;
  transition: all 0.3s;
  align-items: center;
  gap: 8px;
}
.btn-primary {
  background-color: var(--primary-red);
  color: white;
}
.btn-primary:hover {
  background-color: var(--primary-red-hover);
}
.btn-secondary {
  background-color: var(--input-bg);
  color: var(--text-bright);
  border: 1px solid var(--border-color);
}
.btn-secondary:hover {
  background-color: var(--table-row-hover);
  border-color: var(--primary-red);
}
.btn-warning {
  background-color: transparent;
  color: var(--warning-orange);
  border: 1px solid var(--warning-orange);
}
.btn-warning:hover {
  background-color: var(--warning-orange);
  color: #000;
}

.period-controls {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}
.period-btn, .period-btn-main, .period-btn-modal {
  font-size: 0.8rem;
  padding: 8px 12px;
}
.period-btn.active, .period-btn-main.active, .period-btn-modal.active {
  background-color: var(--primary-red);
  color: white;
  border: 1px solid var(--primary-red);
}

.btn-icon {
  padding: 6px;
  border-radius: 4px;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  border: 1px solid transparent;
  font-size: 1.1rem;
}
.btn-icon:hover {
  color: var(--text-bright);
  border-color: var(--border-color);
  background: var(--input-bg);
}

.user-table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
}
.user-table th {
  text-align: left;
  padding: 15px;
  color: var(--text-muted);
  font-weight: normal;
  border-bottom: 1px solid var(--border-color);
  text-transform: uppercase;
  font-size: 0.85rem;
}

.col-user {
  width: 220px;
}
.col-phone {
  width: 140px;
}
.col-admin {
  text-align: center !important;
  width: 70px;
}
.col-role {
  width: auto;
}
.col-scope {
  width: 150px;
}
.col-actions {
  text-align: right !important;
  width: 140px;
}

.user-table td {
  padding: 15px;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-bright);
  vertical-align: middle;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.user-table tr:last-child td {
  border-bottom: none;
}
.user-table tr:hover {
  background-color: var(--table-row-hover);
}

.role-badge {
  background: var(--input-bg);
  color: var(--text-muted);
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 0.8rem;
  border: 1px solid var(--border-color);
}

.admin-icon {
  color: var(--primary-red);
  font-size: 1.4rem;
  filter: drop-shadow(0 0 8px rgba(255, 26, 26, 0.8));
  cursor: help;
}

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.85);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 2000;
  backdrop-filter: blur(5px);
}
.modal-box {
  background: var(--card-color);
  width: 900px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  padding: 30px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8);
  max-height: 90vh;
  overflow-y: auto;
}
.modal-title {
  margin-top: 0;
  color: var(--text-bright);
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 15px;
  margin-bottom: 20px;
}
.form-group {
  margin-bottom: 15px;
}
.form-label {
  display: block;
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 5px;
}
.form-input {
  width: 100%;
  padding: 10px;
  background: var(--input-bg);
  border: 1px solid var(--border-color);
  color: var(--text-bright);
  border-radius: 4px;
  box-sizing: border-box;
  font-family: inherit;
}

.device-scroll-box {
  background: var(--input-bg);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  max-height: 300px;
  overflow-y: auto;
  padding: 0;
  position: relative;
}

.perm-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.perm-table thead {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--table-header-bg) !important;
}

.perm-table th {
  text-align: center;
  color: var(--text-muted);
  padding: 12px 10px;
  border-bottom: 2px solid var(--border-color);
}

.perm-table td {
  padding: 8px 10px;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-color);
  text-align: center;
}
.serial-text {
  font-family: "Courier New", monospace;
  font-size: 0.8rem;
  color: var(--text-muted);
}
input[type="checkbox"] {
  accent-color: var(--primary-red);
  transform: scale(1.1);
  cursor: pointer;
}
.global-checks {
  display: flex;
  gap: 20px;
  margin-bottom: 15px;
  padding: 10px;
  background: var(--input-bg);
  border-radius: 4px;
}
.check-label {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  color: var(--text-bright);
  font-size: 0.9rem;
}
.modal-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 25px;
  padding-top: 20px;
  border-top: 1px solid var(--border-color);
}
.modal-actions {
  display: flex;
  gap: 10px;
}


body {
  font-family: "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}

/* --- Layout & Top Bar --- */
.top-bar {
  background-color: var(--card-color);
  border-bottom: 3px solid var(--primary-red);
  padding: 0 20px;
  height: 60px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.6);
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  box-sizing: border-box;
}

.bar-left {
  display: flex;
  align-items: center;
  gap: 20px;
}
.bar-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

.hamburger-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-bright);
}
.hamburger-btn svg {
  width: 28px;
  height: 28px;
  stroke: currentColor;
}

.app-title {
  font-size: 1.2rem;
  font-weight: bold;
  letter-spacing: 1px;
}
.app-title span {
  color: var(--primary-red);
}

.user-profile {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
}
.avatar {
  width: 35px;
  height: 35px;
  background: var(--input-bg);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-color);
}

/* --- Sidebar --- */
.sidebar {
  position: fixed;
  top: 60px;
  left: -250px;
  width: var(--nav-width);
  height: calc(100vh - 60px);
  background: var(--card-color);
  border-right: 1px solid var(--border-color);
  transition: left 0.3s ease;
  z-index: 1000;
  padding: 20px;
  box-sizing: border-box;
  overflow-y: auto;
}
.sidebar.active {
  left: 0;
}
.nav-item {
  padding: 12px;
  border-radius: 4px;
  color: var(--text-muted);
  cursor: pointer;
  display: block;
  margin-bottom: 5px;
  transition: 0.2s;
  text-decoration: none;
}
.nav-item:hover {
  background: var(--input-bg);
  color: var(--text-bright);
}
.nav-item.active {
  color: var(--text-bright);
  background: var(--input-bg);
  border-left: 3px solid var(--primary-red);
}

/* --- Main Content Area --- */
.main-container {
  margin-top: 60px;
  padding: 20px;
  max-width: 1400px;
  margin-left: auto;
  margin-right: auto;
}

/* --- TABLE VIEW --- */
.table-view {
  width: 100%;
}
.table-controls {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-bottom: 20px;
  background: var(--card-color);
  padding: 15px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
}
.history-table-wrapper {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--border-color);
  border-radius: 8px;
}
.data-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--card-color);
}
.data-table th,
.data-table td {
  text-align: center;
  padding: 12px;
  border: 1px solid var(--border-color);
  font-size: 0.85rem;
}

/* Sortable Header Styles */
.data-table thead th {
  background: var(--table-header-bg) !important;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  cursor: pointer;
  position: relative;
  user-select: none;
  transition: background 0.2s;
}
.data-table thead th:hover {
  background: var(--input-bg);
  color: var(--text-bright);
}

/* Sort Arrows */
.sort-icon {
  display: inline-block;
  margin-left: 8px;
  width: 0;
  height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  vertical-align: middle;
  opacity: 0.3;
}
th.sort-asc .sort-icon {
  border-bottom: 5px solid var(--primary-red);
  opacity: 1;
}
th.sort-desc .sort-icon {
  border-top: 5px solid var(--primary-red);
  opacity: 1;
}

.data-table tr:hover {
  background: var(--table-row-hover);
}

.config-btn {
  background: var(--primary-red);
  color: white;
  border: none;
  padding: 6px 12px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.75rem;
  font-weight: bold;
  transition: 0.2s;
}
.config-btn:hover {
  background: var(--primary-red-hover);
}
.config-btn:disabled {
  background: #444;
  color: #777;
  cursor: not-allowed;
  opacity: 0.6;
}


body {
  font-family: "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}

/* --- Layout & Top Bar --- */
.top-bar {
  background-color: var(--card-color);
  border-bottom: 3px solid var(--primary-red);
  padding: 0 20px;
  height: 60px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.6);
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  box-sizing: border-box;
}

.bar-left {
  display: flex;
  align-items: center;
  gap: 20px;
}

.bar-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

.hamburger-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-bright);
}

.hamburger-btn svg {
  width: 28px;
  height: 28px;
  stroke: currentColor;
}

.app-title {
  font-size: 1.2rem;
  font-weight: bold;
  letter-spacing: 1px;
}

.app-title span {
  color: var(--primary-red);
}

.user-profile {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
}

.avatar {
  width: 35px;
  height: 35px;
  background: var(--input-bg);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-color);
}

/* --- Sidebar --- */
.sidebar {
  position: fixed;
  top: 60px;
  left: calc(-1 * var(--nav-width));
  width: var(--nav-width);
  height: calc(100vh - 60px);
  background: var(--card-color);
  border-right: 1px solid var(--border-color);
  transition: left 0.3s ease;
  z-index: 1000;
  padding: 20px;
  box-sizing: border-box;
  overflow-y: auto;
}

.sidebar.active {
  left: 0;
}

.nav-item {
  padding: 12px;
  border-radius: 4px;
  color: var(--text-muted);
  cursor: pointer;
  display: block;
  margin-bottom: 5px;
  transition: 0.2s;
  text-decoration: none;
}

.nav-item:hover {
  background: var(--input-bg);
  color: var(--text-bright);
}

.nav-item.active {
  color: var(--text-bright);
  background: var(--input-bg);
  border-left: 3px solid var(--primary-red);
}

/* --- Main Content Area --- */
.main-container {
  margin-top: 60px;
  padding: 20px;
  max-width: 1400px;
  margin-left: auto;
  margin-right: auto;
}

/* --- TABLE VIEW --- */
.table-view {
  width: 100%;
}

.table-controls {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-bottom: 20px;
  background: var(--card-color);
  padding: 15px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
}

.history-table-wrapper {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--border-color);
  border-radius: 8px;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--card-color);
}

.data-table th,
.data-table td {
  text-align: center;
  padding: 12px;
  border: 1px solid var(--border-color);
  font-size: 0.85rem;
}

/* Sortable Header Styles */
.data-table thead th {
  background: var(--table-header-bg) !important;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  cursor: pointer;
  position: relative;
  user-select: none;
  transition: background 0.2s;
}

.data-table thead th:hover {
  background: var(--input-bg);
  color: var(--text-bright);
}

/* Sort Arrows */
.sort-icon {
  display: inline-block;
  margin-left: 8px;
  width: 0;
  height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  vertical-align: middle;
  opacity: 0.3;
}

th.sort-asc .sort-icon {
  border-bottom: 5px solid var(--primary-red);
  opacity: 1;
}

th.sort-desc .sort-icon {
  border-top: 5px solid var(--primary-red);
  opacity: 1;
}

.data-table tr:hover {
  background: var(--input-bg);
}

.config-btn {
  background: var(--primary-red);
  color: white;
  border: none;
  padding: 6px 12px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.75rem;
  font-weight: bold;
  transition: 0.2s;
}

.config-btn:hover {
  background: var(--primary-red-hover);
}

.config-btn:disabled {
  background: #444;
  color: #777;
  cursor: not-allowed;
  opacity: 0.6;
}



body {
  font-family: "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  margin: 0;
  padding: 0;
  line-height: 1.6;
}

.container {
  max-width: 1150px;
  margin: 30px auto;
  padding: 0 20px;
}

/* --- Header Styles --- */
#top-bar {
  background-color: var(--card-color);
  border-bottom: 3px solid var(--primary-red);
  padding: 15px 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.6);
  height: 45px;
}

.left-info-group {
  display: flex;
  align-items: center;
  gap: 5px;
}

.device-meta {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
  text-align: left;
}

.device-meta .model {
  color: var(--text-bright);
  font-weight: 700;
  font-size: 1.05rem;
}

.device-meta .serial {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.info-panel {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

.info-row {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  margin: 2px 0;
}

.info-value {
  color: var(--text-bright);
  font-weight: 700;
  font-size: 0.9rem;
  font-variant-numeric: tabular-nums;
}

.top-bar-icon {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: var(--text-muted);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* --- Controls --- */
.dashboard-controls {
  background-color: var(--card-color);
  padding: 20px;
  border-radius: 8px;
  margin-bottom: 25px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-left: 4px solid var(--primary-red);
  flex-wrap: wrap;
  gap: 15px;
}

.control-group {
  display: flex;
  align-items: center;
  gap: 15px;
}



.btn-primary:hover {
  background-color: var(--primary-red-hover);
}

.toggle-switch {
  position: relative;
  display: inline-block;
  width: 50px;
  height: 24px;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #ccc;
  transition: 0.4s;
  border-radius: 34px;
}

.slider:before {
  position: absolute;
  content: "";
  height: 16px;
  width: 16px;
  left: 4px;
  bottom: 4px;
  background-color: white;
  transition: 0.4s;
  border-radius: 50%;
}

input:checked + .slider {
  background-color: var(--primary-red);
}

input:checked + .slider:before {
  transform: translateX(26px);
}

/* --- ACCORDION STYLES --- */
.accordion-item {
  background-color: var(--card-color);
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
  border: 1px solid var(--border-color);
  transition: box-shadow 0.3s;
}

.accordion-header {
  padding: 10px 20px;
  background-color: var(--input-bg);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid transparent;
  transition: background-color 0.3s;
}

.accordion-header:hover {
  background-color: #333;
}

.header-title-group {
  display: flex;
  flex-direction: column;
}

.header-title-group h3 {
  margin: 0;
  font-size: 1.1rem;
  color: var(--text-bright);
  line-height: 1.2;
}

.header-title-group .sensor-type-sub {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: normal;
}

.status-badge {
  font-size: 0.8rem;
  padding: 4px 12px;
  border-radius: 20px;
  font-weight: bold;
  display: flex;
  align-items: center;
  gap: 6px;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: currentColor;
}

.status-ok {
  /* background-color: var(--status-bg-ok);
            color: #81c784;
            border: 1px solid var(--success-green); */
}

.status-warn {
  background-color: var(--status-bg-warn);
  color: #ffb74d;
  border: 1px solid var(--warning-orange);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease-out;
  background-color: var(--card-color);
}

.accordion-item.open .accordion-header {
  border-bottom: 1px solid var(--border-color);
}

/* --- Table Layout --- */
.readings-table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
}

.readings-table th,
.readings-table td {
  text-align: left;
  padding: 12px 20px;
  border-bottom: 1px solid var(--border-color);
  vertical-align: middle;
}

.readings-table th {
  color: var(--text-muted);
  font-weight: normal;
  font-size: 0.85rem;
  text-transform: uppercase;
}

.readings-table td {
  color: var(--text-bright);
  font-size: 1rem;
}

.col-gauge {
  width: 100px;
}

.col-param {
  width: 200px;
}

.col-value {
  width: 110px;
}

.col-limits {
  width: 130px;
}

.col-trend {
  width: 320px;
  cursor: pointer;
}

.col-trend:hover {
  filter: brightness(1.2);
}

.val-large {
  font-weight: bold;
  font-size: 1.1rem;
}

.gauge-box {
  width: 80px;
  height: 55px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.sparkline {
  width: 100%;
  height: 50px;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 4px;
  display: block;
  cursor: pointer;
}

/* --- Digital Visuals --- */
.digital-pill {
  height: 18px;
  width: 18px;
  border-radius: 50%;
  display: inline-block;
  box-shadow: 0 0 8px rgba(0, 0, 0, 0.5);
  transition:
    background-color 0.3s,
    box-shadow 0.3s;
}

.digital-pill.status-normal {
  background: var(--success-green);
  box-shadow: 0 0 10px rgba(46, 125, 50, 0.4);
}

.digital-pill.status-warning {
  background: var(--warning-orange);
  box-shadow: 0 0 10px rgba(245, 127, 23, 0.4);
}

/* --- Modal Layout --- */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.9);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 1000;
  backdrop-filter: blur(8px);
}

.modal-container {
  background: var(--card-color);
  width: 95%;
  max-width: 1200px;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  padding: 25px;
  position: relative;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.8);
  display: flex;
  flex-direction: column;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 2.5rem;
  cursor: pointer;
  line-height: 1;
}

.modal-close:hover {
  color: var(--primary-red);
}
.modal-header-left {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.modal-period-controls {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.modal-period-controls .btn {
  font-size: 0.8rem;
  padding: 6px 12px;
}
.modal-body {
  display: flex;
  gap: 20px;
  height: 500px;
}

.chart-wrapper {
  flex: 1;
  position: relative;
  background: var(--chart-bg);
  border-radius: 8px;
  padding: 10px;
  box-sizing: border-box;
}

#expandedChart {
  width: 100%;
  height: 100%;
  cursor: crosshair;
}

#chart-tooltip {
  position: absolute;
  display: none;
  background: var(--tooltip-bg);
  border: 1px solid var(--tooltip-border);
  color: var(--tooltip-color);
  padding: 10px 14px;
  border-radius: 6px;
  pointer-events: none;
  font-size: 0.85rem;
  z-index: 1001;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
  min-width: 180px;
}

.tooltip-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 15px;
  margin-bottom: 4px;
}

.tooltip-color-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.chart-sidebar {
  width: 260px;
  background: var(--input-bg);
  border-radius: 8px;
  padding: 15px;
  overflow-y: auto;
  border: 1px solid var(--border-color);
}

.tree-node {
  margin-bottom: 12px;
}

.tree-parent {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: bold;
  color: var(--text-bright);
  padding: 4px 0;
  border-bottom: 1px solid #444;
  margin-bottom: 8px;
}

.tree-children {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-left: 5px;
}

.tree-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  cursor: pointer;
  color: var(--text-muted);
  transition: 0.2s;
}

.tree-checkbox {
  cursor: pointer;
  accent-color: var(--primary-red);
  width: 16px;
  height: 16px;
}

.legend-color-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}



body {
  font-family: "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  margin: 0;
  padding: 0;
  line-height: 1.6;
}

.container {
  max-width: 1000px;
  margin: 30px auto;
  padding: 0 20px;
}

#top-bar {
  background-color: var(--card-color);
  border-bottom: 3px solid var(--primary-red);
  padding: 15px 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.6);
  height: 45px;
}

.left-info-group {
  display: flex;
  align-items: center;
  gap: 15px;
}

.device-meta {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
  text-align: left;
}

.device-meta .model {
  color: var(--text-bright);
  font-weight: 700;
  font-size: 1.05rem;
}

.device-meta .serial {
  color: var(--text-muted);
  font-size: 0.85rem;
}

#menu-btn {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 45px;
  height: 45px;
  background-color: var(--input-bg);
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  z-index: 20;
}

#menu-btn svg {
  width: 28px;
  height: 28px;
  fill: var(--text-color);
}

#dropdown-menu {
  display: none;
  position: absolute;
  top: 65px;
  left: 30px;
  min-width: 250px;
  background-color: var(--card-color);
  box-shadow: 0 8px 16px 0px rgba(0, 0, 0, 0.6);
  border: 1px solid var(--border-color);
  border-top: 3px solid var(--primary-red);
  z-index: 10;
  border-radius: 4px;
  padding: 5px 0;
}

#dropdown-menu a {
  color: var(--text-color);
  padding: 12px 16px;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
  transition: background-color 0.3s;
}

#dropdown-menu a svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

#dropdown-menu a:hover {
  background-color: var(--input-bg);
  color: var(--primary-red);
}

.info-panel {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

.info-row {
  font-size: 0.9rem;
  margin: 2px 0;
}

.info-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  color: var(--text-muted);
}

.info-value {
  color: var(--text-bright);
  font-weight: 700;
  font-size: 0.8rem;
}

#progress-tracker {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  background-color: var(--card-color);
  padding: 15px 25px;
  border-radius: 8px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
}

.progress-indicator {
  flex-grow: 1;
  height: 6px;
  background-color: var(--input-bg);
  border-radius: 3px;
  margin: 0 15px;
}

#progress-bar {
  height: 100%;
  width: 0%;
  background-color: var(--primary-red);
  border-radius: 3px;
  transition: width 0.4s ease-in-out;
}

#step-label {
  font-weight: 600;
  color: var(--text-bright);
  font-size: 0.9rem;
  white-space: nowrap;
}

.config-section {
  background-color: var(--card-color);
  padding: 25px;
  border-radius: 8px;
  margin-bottom: 25px;
  border-left: 4px solid var(--primary-red);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
  position: relative;
}

.loading-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(30, 30, 30, 0.8);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 10;
  border-radius: 8px;
  color: var(--primary-red);
  font-weight: bold;
}

.hidden {
  display: none !important;
}

.invisible {
  visibility: hidden;
}

h2 {
  margin-top: 0;
  padding-bottom: 15px;
  border-bottom: 1px solid var(--border-color);
  color: var(--primary-red);
  font-size: 1.4rem;
}

.form-group {
  margin-top: 25px;
  padding: 15px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  background-color: var(--input-bg);
}

.form-explanation {
  font-size: 0.9em;
  color: var(--text-muted);
  margin-top: 5px;
  margin-bottom: 10px;
  line-height: 1.4;
}

.checkbox-container {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-top: 5px;
}

input[type="checkbox"] {
  width: 20px;
  height: 20px;
  accent-color: var(--primary-red);
}

label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  color: var(--text-color);
  font-size: 0.95rem;
}

input[type="text"],
input[type="number"],
select {
  padding: 12px;
  border: 2px solid var(--border-color);
  border-radius: 4px;
  background-color: var(--card-color);
  color: var(--text-bright);
  font-size: 1rem;
  width: 100%;
  box-sizing: border-box;
}

[id^="parameter-sliders-container-"] {
  margin-top: 25px;
  padding: 15px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  background-color: var(--input-bg);
}

.parameter-block {
  padding: 15px 0;
  border-bottom: 1px dashed var(--border-color);
}

.parameter-block:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.parameter-block:first-of-type {
  padding-top: 0;
}

.range-readback {
  display: flex;
  justify-content: space-between;
  margin-bottom: 8px;
  font-size: 1.1rem;
}

.range-readback > span {
  font-weight: bold;
  color: var(--primary-red);
}

.range-slider-container {
  position: relative;
  height: 30px;
  width: 100%;
  display: flex;
  align-items: center;
  margin-top: 10px;
}

.slider-track,
.slider-fill-track {
  position: absolute;
  height: 8px;
  border-radius: 4px;
  left: 0;
  right: 0;
}

.slider-track {
  background: var(--border-color);
  width: 100%;
}

.slider-fill-track {
  background: var(--primary-red);
  z-index: 1;
}

.range-slider {
  -webkit-appearance: none;
  appearance: none;
  position: absolute;
  width: 100%;
  height: 8px;
  background: transparent;
  pointer-events: none;
  z-index: 2;
  margin: 0;
  padding: 0;
}

.range-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 24px;
  height: 24px;
  background: var(--card-color);
  border: 3px solid var(--primary-red);
  border-radius: 50%;
  cursor: pointer;
  pointer-events: auto;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.4);
}

.digital-slider-wrapper {
  padding: 10px 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.digital-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.9rem;
  font-weight: 700;
  padding: 0 5px;
}

.label-left,
.label-right {
  color: var(--text-muted);
  transition: color 0.3s;
}

.digital-slider-container.state-0 .label-left {
  color: var(--text-bright);
  text-shadow: 0 0 5px rgba(255, 255, 255, 0.2);
}

.digital-slider-container.state-1 .label-right {
  color: var(--primary-red);
  text-shadow: 0 0 5px rgba(200, 36, 47, 0.4);
}

.digital-slider-track {
  position: relative;
  height: 12px;
  background: var(--card-color);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  width: 100%;
}

.digital-input-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 100%;
  background: transparent;
  position: absolute;
  top: 0;
  left: 0;
  margin: 0;
  z-index: 2;
  cursor: pointer;
}

.digital-input-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  height: 24px;
  width: 24px;
  border-radius: 50%;
  background: var(--text-muted);
  border: 2px solid var(--card-color);
  margin-top: -6px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
  transition: all 0.3s ease;
}

.digital-slider-container.state-1 .digital-input-slider::-webkit-slider-thumb {
  background: var(--primary-red);
  border-color: var(--text-bright);
}

.slider-input-group {
  display: flex;
  align-items: center;
  gap: 15px;
}

.slider-input-group input[type="range"] {
  flex-grow: 1;
  height: 24px;
  padding: 0;
  margin: 0;
  background: transparent;
  -webkit-appearance: none;
}

.number-with-unit {
  display: flex;
  align-items: center;
  gap: 5px;
  width: 150px;
  flex-shrink: 0;
}

.number-with-unit input[type="number"] {
  max-width: 70px;
  text-align: right;
  padding: 8px 10px;
  font-size: 0.9rem;
}

[id^="refresh-rate-slider"]::-webkit-slider-thumb,
[id^="delay-slider-"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 24px;
  height: 24px;
  background: var(--card-color);
  border: 3px solid var(--primary-red);
  border-radius: 50%;
  cursor: pointer;
  margin-top: -8px;
}

[id^="refresh-rate-slider"]::-webkit-slider-runnable-track,
[id^="delay-slider-"]::-webkit-slider-runnable-track {
  height: 8px;
  border-radius: 4px;
  background: var(--primary-red);
}

.coeff-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 15px;
  margin-top: 10px;
}

.coeff-box {
  background: var(--card-color);
  padding: 10px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
}

.coeff-box label {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.coeff-box input {
  padding: 8px;
  font-size: 0.9rem;
}

.btn {
  padding: 12px 25px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-weight: bold;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: all 0.3s;
}

.btn-primary {
  background-color: var(--primary-red);
  color: var(--text-bright);
}

#nav-container {
  margin-top: 20px;
}

#nav-buttons-flex {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 10px;
}

#nav-buttons-flex .btn {
  flex-grow: 1;
  text-align: center;
}


body {
  font-family: "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}

/* --- Layout & Top Bar --- */
.top-bar {
  background-color: var(--card-color);
  border-bottom: 3px solid var(--primary-red);
  padding: 0 20px;
  height: 60px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.6);
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  box-sizing: border-box;
}

.bar-left {
  display: flex;
  align-items: center;
  gap: 20px;
}
.bar-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

.hamburger-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-bright);
}
.hamburger-btn svg {
  width: 28px;
  height: 28px;
  stroke: currentColor;
}

.app-title {
  font-size: 1.2rem;
  font-weight: bold;
  letter-spacing: 1px;
}
.app-title span {
  color: var(--primary-red);
}

.user-profile {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
}
.avatar {
  width: 35px;
  height: 35px;
  background: var(--input-bg);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-color);
}

/* --- Sidebar --- */
.sidebar {
  position: fixed;
  top: 60px;
  left: calc(-1 * var(--nav-width));
  width: var(--nav-width);
  height: calc(100vh - 60px);
  background: var(--card-color);
  border-right: 1px solid var(--border-color);
  transition: left 0.3s ease;
  z-index: 1000;
  padding: 20px;
  box-sizing: border-box;
  overflow-y: auto;
}
.sidebar.active {
  left: 0;
}
.nav-item {
  padding: 12px;
  border-radius: 4px;
  color: var(--text-muted);
  cursor: pointer;
  display: block;
  margin-bottom: 5px;
  transition: 0.2s;
  text-decoration: none;
}
.nav-item:hover {
  background: var(--input-bg);
  color: var(--text-bright);
}
.nav-item.active {
  color: var(--text-bright);
  background: var(--input-bg);
  border-left: 3px solid var(--primary-red);
}

/* --- Main Content Area --- */
.main-container {
  margin-top: 60px;
  padding: 20px;
  max-width: 1400px;
  margin-left: auto;
  margin-right: auto;
}

/* --- TABLE VIEW --- */
.table-view {
  width: 100%;
}
.table-controls {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-bottom: 20px;
  background: var(--card-color);
  padding: 15px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
}
.history-table-wrapper {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--border-color);
  border-radius: 8px;
}
.data-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--card-color);
}
.data-table th,
.data-table td {
  text-align: center;
  padding: 12px;
  border: 1px solid var(--border-color);
  font-size: 0.85rem;
}

/* Sortable Header Styles */
.data-table thead th {
  background: var(--table-header-bg) !important;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  cursor: pointer;
  position: relative;
  user-select: none;
  transition: background 0.2s;
}
.data-table thead th:hover {
  background: var(--input-bg);
  color: var(--text-bright);
}

/* Sort Arrows */
.sort-icon {
  display: inline-block;
  margin-left: 8px;
  width: 0;
  height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  vertical-align: middle;
  opacity: 0.3;
}
th.sort-asc .sort-icon {
  border-bottom: 5px solid var(--primary-red);
  opacity: 1;
}
th.sort-desc .sort-icon {
  border-top: 5px solid var(--primary-red);
  opacity: 1;
}

.data-table tr:hover {
  background: var(--input-bg);
}

.config-btn {
  background: var(--primary-red);
  color: white;
  border: none;
  padding: 6px 12px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.75rem;
  font-weight: bold;
  transition: 0.2s;
}
.config-btn:hover {
  background: var(--primary-red-hover);
}
.config-btn:disabled {
  background: #444;
  color: #777;
  cursor: not-allowed;
  opacity: 0.6;
}
.disabled-link {
  background: #444 !important;
  color: #666 !important;
  cursor: not-allowed !important;
  opacity: 0.6 !important;
}


body {
  font-family: "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}

/* --- Layout & Top Bar --- */
.top-bar {
  background-color: var(--card-color);
  border-bottom: 3px solid var(--primary-red);
  padding: 0 20px;
  height: 60px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.6);
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  box-sizing: border-box;
}

.bar-left {
  display: flex;
  align-items: center;
  gap: 20px;
}
.bar-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

.hamburger-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-bright);
}
.hamburger-btn svg {
  width: 28px;
  height: 28px;
  stroke: currentColor;
}

.app-title {
  font-size: 1.2rem;
  font-weight: bold;
  letter-spacing: 1px;
}
.app-title span {
  color: var(--primary-red);
}

.user-profile {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
}
.avatar {
  width: 35px;
  height: 35px;
  background: var(--input-bg);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-color);
}

/* --- Sidebar --- */
.sidebar {
  position: fixed;
  top: 60px;
  left: calc(-1 * var(--nav-width));
  width: var(--nav-width);
  height: calc(100vh - 60px);
  background: var(--card-color);
  border-right: 1px solid var(--border-color);
  transition: left 0.3s ease;
  z-index: 1000;
  padding: 20px;
  box-sizing: border-box;
  overflow-y: auto;
}
.sidebar.active {
  left: 0;
}
.nav-item {
  padding: 12px;
  border-radius: 4px;
  color: var(--text-muted);
  cursor: pointer;
  display: block;
  margin-bottom: 5px;
  transition: 0.2s;
  text-decoration: none;
}
.nav-item:hover {
  background: var(--input-bg);
  color: var(--text-bright);
}

/* --- Main Content Area --- */
.main-container {
  margin-top: 60px;
  padding: 20px;
  max-width: 1400px;
  margin-left: auto;
  margin-right: auto;
}

/* --- View Switcher --- */
.view-controls {
  display: flex;
  gap: 10px;
  margin-bottom: 30px;
  background: var(--card-color);
  padding: 10px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  width: fit-content;
}
.view-btn {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-muted);
  padding: 8px 16px;
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  transition: all 0.2s;
}
.view-btn:hover {
  background: var(--input-bg);
  color: var(--text-bright);
}
.view-btn.active {
  background: var(--primary-red);
  color: white;
}
.view-btn svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
}

/* --- VIEW 1: Circular Grid --- */
.grid-view {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 40px;
  padding: 20px;
}

.device-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  cursor: pointer;
}

.img-wrapper {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  padding: 6px;
  margin-bottom: 15px;
  transition:
    transform 0.3s ease,
    box-shadow 0.3s ease;
  position: relative;
  background: var(--bg-color);
}
.device-item:hover .img-wrapper {
  transform: scale(1.05);
}

.device-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  transition: filter 0.5s ease;
}

.device-item.disconnected .device-img {
  filter: grayscale(100%) brightness(0.6);
}
.device-item.connected .device-img {
  filter: grayscale(0%);
}

.status-ok .img-wrapper {
  box-shadow:
    0 0 25px var(--success-glow),
    inset 0 0 10px var(--success-glow);
  border: 2px solid var(--success-green);
}
.status-warn .img-wrapper {
  box-shadow:
    0 0 25px var(--warning-glow),
    inset 0 0 10px var(--warning-glow);
  border: 2px solid var(--warning-orange);
}
.status-offline .img-wrapper {
  box-shadow: none;
  border: 2px solid #444;
}

.item-info h3 {
  margin: 0 0 4px 0;
  color: var(--text-bright);
  font-size: 1rem;
}
.item-info .sn {
  color: var(--text-muted);
  font-size: 0.75rem;
  display: block;
  margin-top: 2px;
}
.last-seen {
  font-size: 0.75rem;
  color: #777;
  margin-top: 8px;
  font-style: italic;
}

/* --- TOOLTIP STYLE (Universal) --- */
#hover-tooltip {
  position: fixed;
  display: none;
  background: var(--tooltip-bg);
  border: 1px solid var(--tooltip-border);
  color: var(--tooltip-color);
  padding: 15px;
  border-radius: 8px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
  z-index: 3000;
  min-width: 200px;
  pointer-events: none;
  backdrop-filter: blur(5px);
}
.tooltip-header {
  border-bottom: 1px solid var(--tooltip-border);
  padding-bottom: 8px;
  margin-bottom: 8px;
  font-weight: bold;
  color: var(--primary-red);
}
.tooltip-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  margin-bottom: 5px;
}
.tooltip-val {
  font-weight: bold;
  font-family: monospace;
}

/* --- MAP VIEW (Leaflet) --- */
.map-container {
  width: 100%;
  height: 600px;
  background-color: #0f1215;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  position: relative;
  overflow: hidden;
  display: none;
}

.custom-map-marker {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 2px solid white;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.8);
  cursor: pointer;
}
.marker-green {
  background-color: var(--success-glow);
  box-shadow: 0 0 15px var(--success-glow);
}
.marker-orange {
  background-color: var(--warning-glow);
  box-shadow: 0 0 15px var(--warning-glow);
}
.marker-grey {
  background-color: var(--disconnected-grey);
}

/* --- FLOOR PLAN VIEW --- */
.floor-container {
  width: 100%;
  height: calc(100vh - 220px);
  min-height: 500px;
  background-color: #0f1215;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  position: relative;
  overflow: hidden;
  display: none;
}
.floor-bg {
  width: 100%;
  height: 100%;
  background-image: url("floor-plan.svg");
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  position: relative;
}
.floor-marker {
  position: absolute;
  transform: translate(-50%, -50%);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.marker-dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid white;
}
.marker-label {
  background: rgba(0, 0, 0, 0.8);
  color: white;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.7rem;
  margin-top: 4px;
  white-space: nowrap;
}

/* --- TABLE VIEW (Historical) --- */
.table-view {
  display: none;
  width: 100%;
}
.table-controls {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-bottom: 20px;
  background: var(--card-color);
  padding: 15px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
}
.table-select {
  background: var(--input-bg);
  color: var(--text-bright);
  border: 1px solid var(--border-color);
  padding: 8px 12px;
  border-radius: 4px;
  outline: none;
  cursor: pointer;
  font-size: 0.9rem;
}
.history-table-wrapper {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--border-color);
  border-radius: 8px;
}
.data-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--card-color);
}
.data-table th,
.data-table td {
  text-align: center;
  padding: 12px;
  border: 1px solid var(--border-color);
  font-size: 0.85rem;
}
.data-table thead th {
  background: var(--table-header-bg) !important;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
}
.data-table tr:hover {
  background: var(--input-bg);
}
.sensor-group-header {
  color: var(--primary-red);
  font-size: 0.75rem;
  letter-spacing: 0.5px;
}



body {
  font-family: "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}

/* --- Header --- */
.top-bar {
  background-color: var(--card-color);
  border-bottom: 3px solid var(--primary-red);
  padding: 0 20px;
  height: 60px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  box-sizing: border-box;
}

.app-title {
  font-size: 1.2rem;
  font-weight: bold;
  letter-spacing: 1px;
}

.app-title span {
  color: var(--primary-red);
}

/* --- Main Layout --- */
.main-container {
  margin-top: 80px;
  padding: 20px;
  max-width: 1800px;
  margin-left: auto;
  margin-right: auto;
}

/* --- Filter Console --- */
.filter-section {
  background: var(--card-color);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  margin-bottom: 25px;
  padding: 20px;
}

.search-row {
  display: flex;
  gap: 15px;
  align-items: center;
  margin-bottom: 20px;
}

.main-search {
  flex: 1;
  background: var(--input-bg);
  border: 1px solid var(--border-color);
  padding: 12px;
  border-radius: 4px;
  color: var(--text-bright);
  outline: none;
}

.btn-clear-all {
  background: var(--primary-red);
  color: white;
  border: none;
  padding: 12px 24px;
  border-radius: 4px;
  font-weight: bold;
  cursor: pointer;
  transition: 0.2s;
  white-space: nowrap;
}

.btn-clear-all:disabled {
  background: var(--input-bg);
  color: #666;
  cursor: not-allowed;
}

.btn-clear-all:not(:disabled):hover {
  background: var(--primary-red-hover);
}

/* 4-Column Grid */
.filter-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 15px;
}

.filter-box {
  border: 1px solid var(--border-color);
  border-radius: 4px;
  background: var(--input-bg);
  display: flex;
  flex-direction: column;
}

.filter-header {
  background: var(--table-header-bg) !important;
  padding: 10px 12px;
  font-size: 0.75rem;
  font-weight: bold;
  color: var(--primary-red);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 10px;
}

.filter-list {
  height: 160px;
  overflow-y: auto;
  padding: 10px;
}

.filter-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 5px 0;
  font-size: 0.85rem;
  cursor: pointer;
}

.filter-item input {
  accent-color: var(--primary-red);
}

/* Time Section Styling */
.time-content {
  padding: 15px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  height: 160px;
  justify-content: center;
}

.time-field {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.time-field label {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

.time-input {
  background: var(--input-bg);
  border: 1px solid var(--border-color);
  color: var(--text-bright);
  padding: 8px;
  border-radius: 4px;
  outline: none;
  font-size: 0.85rem;
}

/* --- Table & Pagination --- */
.table-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 15px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.pagination {
  display: flex;
  gap: 5px;
  align-items: center;
}

.page-btn {
  background: var(--input-bg);
  border: 1px solid var(--border-color);
  color: var(--text-color);
  padding: 5px 12px;
  cursor: pointer;
  border-radius: 4px;
}

.page-btn:hover:not(:disabled) {
  border-color: var(--primary-red);
  color: var(--text-bright);
}

.page-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.page-btn.active {
  background: var(--primary-red);
  border-color: var(--primary-red);
  color: white;
}

.table-wrapper {
  width: 100%;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: var(--card-color);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
}

/* Headers Aligned Left */
.data-table th {
  background: var(--table-header-bg) !important;
  padding: 14px;
  font-size: 0.8rem;
  text-transform: uppercase;
  cursor: pointer;
  color: var(--text-muted);
  border-bottom: 2px solid var(--border-color);
  text-align: left;
}

.data-table td {
  padding: 14px;
  font-size: 0.85rem;
  border-bottom: 1px solid var(--border-color);
  text-align: left;
}

.col-time {
  width: 200px;
}

.col-sn {
  width: 150px;
}

.col-name {
  width: 160px;
}

.col-phone {
  width: 170px;
}

.col-msg {
  width: auto;
}

.warning-text {
  color: var(--warning-orange);
}

.timestamp {
  color: var(--text-muted);
  font-family: "Courier New", monospace;
}

.sort-icon::after {
  content: " ↕";
  opacity: 0.2;
  margin-left: 5px;
}

th.sort-asc .sort-icon::after {
  content: " ↑";
  opacity: 1;
  color: var(--primary-red);
}

th.sort-desc .sort-icon::after {
  content: " ↓";
  opacity: 1;
  color: var(--primary-red);
}

/* --- Layout & Top Bar --- */
.top-bar {
  background-color: var(--card-color);
  border-bottom: 3px solid var(--primary-red);
  padding: 0 20px;
  height: 60px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.6);
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  box-sizing: border-box;
}

.bar-left {
  display: flex;
  align-items: center;
  gap: 20px;
}

.bar-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

.hamburger-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-bright);
}

.hamburger-btn svg {
  width: 28px;
  height: 28px;
  stroke: currentColor;
}

.app-title {
  font-size: 1.2rem;
  font-weight: bold;
  letter-spacing: 1px;
}

.app-title span {
  color: var(--primary-red);
}

.user-profile {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
}

.avatar {
  width: 35px;
  height: 35px;
  background: var(--input-bg);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-color);
}

/* --- Sidebar --- */
.sidebar {
  position: fixed;
  top: 60px;
  left: -250px;
  width: var(--nav-width);
  height: calc(100% - 60px);
  background: var(--card-color);
  border-right: 1px solid var(--border-color);
  transition: left 0.3s ease;
  z-index: 999;
  padding: 20px;
}

.sidebar.active {
  left: 0;
}

.nav-item {
  padding: 12px;
  border-radius: 4px;
  color: var(--text-muted);
  cursor: pointer;
  display: block;
  margin-bottom: 5px;
  transition: 0.2s;
}

.nav-item:hover {
  background: var(--input-bg);
  color: var(--text-bright);
}
/* --- Login Form Styling --- */
.login_form {
  max-width: 400px;
  margin: 0px auto;
  background: var(--card-color);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 40px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  text-align: center;
}

.login_form h2 {
  color: var(--text-bright);
  margin-bottom: 30px;
  font-size: 2rem;
  font-weight: 600;
}

.form-group {
  margin-bottom: 20px;
  text-align: left;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  color: var(--text-color);
  font-size: 0.9rem;
  font-weight: 500;
}

.form-group input {
  width: 100%;
  padding: 12px 16px;
  background: var(--input-bg);
  border: 2px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-bright);
  font-size: 1rem;
  outline: none;
  transition: border-color 0.3s ease;
  box-sizing: border-box;
}

.form-group input:focus {
  border-color: var(--primary-red);
  box-shadow: 0 0 0 3px rgba(200, 36, 47, 0.1);
}

.login_form button {
  width: 100%;
  padding: 14px;
  background: var(--primary-red);
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.3s ease;
  margin-top: 10px;
}

.login_form button:hover {
  background: var(--primary-red-hover);
}

.login_form button.btn {
  background: var(--primary-blue);
}

.login_form button.btn:hover {
  background: var(--primary-blue-hover);
}

.login_form button:active {
  transform: translateY(1px);
}



body {
  font-family: "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}

/* --- Header --- */
.top-bar {
  background-color: var(--card-color);
  border-bottom: 3px solid var(--primary-red);
  padding: 0 20px;
  height: 60px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  box-sizing: border-box;
}
.app-title {
  font-size: 1.2rem;
  font-weight: bold;
  letter-spacing: 1px;
}
.app-title span {
  color: var(--primary-red);
}

/* --- Main Layout --- */
.main-container {
  margin-top: 60px;
  padding: 20px;
  max-width: 1800px;
  margin-left: auto;
  margin-right: auto;
}

/* --- Filter Console --- */
.filter-section {
  background: var(--card-color);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  margin-bottom: 25px;
  padding: 20px;
}

.search-row {
  display: flex;
  gap: 15px;
  align-items: center;
  margin-bottom: 20px;
}

.main-search {
  flex: 1;
  background: var(--input-bg);
  border: 1px solid var(--border-color);
  padding: 12px;
  border-radius: 4px;
  color: var(--text-bright);
  outline: none;
}

.btn-clear-all {
  background: var(--primary-red);
  color: white;
  border: none;
  padding: 12px 24px;
  border-radius: 4px;
  font-weight: bold;
  cursor: pointer;
  transition: 0.2s;
  white-space: nowrap;
}
.btn-clear-all:disabled {
  background: var(--input-bg);
  color: #666;
  cursor: not-allowed;
}
.btn-clear-all:not(:disabled):hover {
  background: var(--primary-red-hover);
}

/* 4-Column Grid */
.filter-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 15px;
}

.filter-box {
  border: 1px solid var(--border-color);
  border-radius: 4px;
  background: var(--input-bg);
  display: flex;
  flex-direction: column;
}
.filter-header {
  background: var(--table-header-bg) !important;
  padding: 10px 12px;
  font-size: 0.75rem;
  font-weight: bold;
  color: var(--primary-red);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 10px;
}

.filter-list {
  height: 160px;
  overflow-y: auto;
  padding: 10px;
}
.filter-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 5px 0;
  font-size: 0.85rem;
  cursor: pointer;
}
.filter-item input {
  accent-color: var(--primary-red);
}

/* Time Section Styling */
.time-content {
  padding: 15px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  height: 160px;
  justify-content: center;
}
.time-field {
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.time-field label {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
}
.time-input {
  background: var(--input-bg);
  border: 1px solid var(--border-color);
  color: var(--text-bright);
  padding: 8px;
  border-radius: 4px;
  outline: none;
  font-size: 0.85rem;
}

/* --- Table & Pagination --- */
.table-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 15px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.pagination {
  display: flex;
  gap: 5px;
  align-items: center;
}
.page-btn {
  background: var(--input-bg);
  border: 1px solid var(--border-color);
  color: var(--text-color);
  padding: 5px 12px;
  cursor: pointer;
  border-radius: 4px;
}
.page-btn:hover:not(:disabled) {
  border-color: var(--primary-red);
  color: var(--text-bright);
}
.page-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}
.page-btn.active {
  background: var(--primary-red);
  border-color: var(--primary-red);
  color: white;
}

.table-wrapper {
  width: 100%;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: var(--card-color);
}
.data-table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
}

/* Headers Aligned Left */
.data-table th {
  background: var(--table-header-bg) !important;
  padding: 14px;
  font-size: 0.8rem;
  text-transform: uppercase;
  cursor: pointer;
  color: var(--text-muted);
  border-bottom: 2px solid var(--border-color);
  text-align: left;
}
.data-table td {
  padding: 14px;
  font-size: 0.85rem;
  border-bottom: 1px solid var(--border-color);
  text-align: left;
}

.col-time {
  width: 200px;
}
.col-sn {
  width: 150px;
}
.col-name {
  width: 160px;
}
.col-phone {
  width: 170px;
}
.col-msg {
  width: auto;
}

.warning-text {
  color: var(--warning-orange);
}
.timestamp {
  color: var(--text-muted);
  font-family: "Courier New", monospace;
}
.sort-icon::after {
  content: " ↕";
  opacity: 0.2;
  margin-left: 5px;
}
th.sort-asc .sort-icon::after {
  content: " ↑";
  opacity: 1;
  color: var(--primary-red);
}
th.sort-desc .sort-icon::after {
  content: " ↓";
  opacity: 1;
  color: var(--primary-red);
}

/* --- Layout & Top Bar --- */
.top-bar {
  background-color: var(--card-color);
  border-bottom: 3px solid var(--primary-red);
  padding: 0 20px;
  height: 60px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.6);
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  box-sizing: border-box;
}

.bar-left {
  display: flex;
  align-items: center;
  gap: 20px;
}
.bar-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

.hamburger-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-bright);
}
.hamburger-btn svg {
  width: 28px;
  height: 28px;
  stroke: currentColor;
}

.app-title {
  font-size: 1.2rem;
  font-weight: bold;
  letter-spacing: 1px;
}
.app-title span {
  color: var(--primary-red);
}

.user-profile {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
}
.avatar {
  width: 35px;
  height: 35px;
  background: var(--input-bg);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-color);
}

/* --- Sidebar --- */
.sidebar {
  position: fixed;
  top: 60px;
  left: calc(-1 * var(--nav-width));
  width: var(--nav-width);
  height: calc(100vh - 60px);
  background: var(--card-color);
  border-right: 1px solid var(--border-color);
  transition: left 0.3s ease;
  z-index: 1000;
  padding: 20px;
  box-sizing: border-box;
  overflow-y: auto;
}
.sidebar.active {
  left: 0;
}
.nav-item {
  padding: 12px;
  border-radius: 4px;
  color: var(--text-muted);
  cursor: pointer;
  display: block;
  margin-bottom: 5px;
  transition: 0.2s;
  text-decoration: none;
}
.nav-item:hover {
  background: var(--input-bg);
  color: var(--text-bright);
}



body {
  font-family: "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}

/* --- Header --- */
.top-bar {
  background-color: var(--card-color);
  border-bottom: 3px solid var(--primary-red);
  padding: 0 20px;
  height: 60px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  box-sizing: border-box;
}

.app-title {
  font-size: 1.2rem;
  font-weight: bold;
  letter-spacing: 1px;
}

.app-title span {
  color: var(--primary-red);
}

/* --- Main Layout --- */
.main-container {
  margin-top: 60px;
  padding: 20px;
  max-width: 1800px;
  margin-left: auto;
  margin-right: auto;
}

/* --- Filter Console --- */
.filter-section {
  background: var(--card-color);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  margin-bottom: 25px;
  padding: 20px;
}

.search-row {
  display: flex;
  gap: 15px;
  align-items: center;
  margin-bottom: 20px;
}

.main-search {
  flex: 1;
  background: var(--input-bg);
  border: 1px solid var(--border-color);
  padding: 12px;
  border-radius: 4px;
  color: var(--text-bright);
  outline: none;
}

.btn-clear-all {
  background: var(--primary-red);
  color: white;
  border: none;
  padding: 12px 24px;
  border-radius: 4px;
  font-weight: bold;
  cursor: pointer;
  transition: 0.2s;
  white-space: nowrap;
}

.btn-clear-all:disabled {
  background: var(--input-bg);
  color: #666;
  cursor: not-allowed;
}

.btn-clear-all:not(:disabled):hover {
  background: var(--primary-red-hover);
}

/* 4-Column Grid */
.filter-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 15px;
}

.filter-box {
  border: 1px solid var(--border-color);
  border-radius: 4px;
  background: var(--input-bg);
  display: flex;
  flex-direction: column;
}

.filter-header {
  background: var(--table-header-bg) !important;
  padding: 10px 12px;
  font-size: 0.75rem;
  font-weight: bold;
  color: var(--primary-red);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 10px;
}

.filter-list {
  height: 160px;
  overflow-y: auto;
  padding: 10px;
}

.filter-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 5px 0;
  font-size: 0.85rem;
  cursor: pointer;
}

.filter-item input {
  accent-color: var(--primary-red);
}

/* Time Section Styling */
.time-content {
  padding: 15px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  height: 160px;
  justify-content: center;
}

.time-field {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.time-field label {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

.time-input {
  background: var(--input-bg);
  border: 1px solid var(--border-color);
  color: var(--text-bright);
  padding: 8px;
  border-radius: 4px;
  outline: none;
  font-size: 0.85rem;
}

/* --- Table & Pagination --- */
.table-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 15px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.pagination {
  display: flex;
  gap: 5px;
  align-items: center;
}

.page-btn {
  background: var(--input-bg);
  border: 1px solid var(--border-color);
  color: var(--text-color);
  padding: 5px 12px;
  cursor: pointer;
  border-radius: 4px;
}

.page-btn:hover:not(:disabled) {
  border-color: var(--primary-red);
  color: var(--text-bright);
}

.page-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.page-btn.active {
  background: var(--primary-red);
  border-color: var(--primary-red);
  color: white;
}

.table-wrapper {
  width: 100%;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: var(--card-color);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
}

/* Headers Aligned Left */
.data-table th {
  background: var(--table-header-bg) !important;
  padding: 14px;
  font-size: 0.8rem;
  text-transform: uppercase;
  cursor: pointer;
  color: var(--text-muted);
  border-bottom: 2px solid var(--border-color);
  text-align: left;
}

.data-table td {
  padding: 14px;
  font-size: 0.85rem;
  border-bottom: 1px solid var(--border-color);
  text-align: left;
}

.col-time {
  width: 200px;
}

.col-sn {
  width: 150px;
}

.col-name {
  width: 160px;
}

.col-phone {
  width: 170px;
}

.col-msg {
  width: auto;
}

.warning-text {
  color: var(--warning-orange);
}

.timestamp {
  color: var(--text-muted);
  font-family: "Courier New", monospace;
}

.sort-icon::after {
  content: " ↕";
  opacity: 0.2;
  margin-left: 5px;
}

th.sort-asc .sort-icon::after {
  content: " ↑";
  opacity: 1;
  color: var(--primary-red);
}

th.sort-desc .sort-icon::after {
  content: " ↓";
  opacity: 1;
  color: var(--primary-red);
}

/* --- Layout & Top Bar --- */
.top-bar {
  background-color: var(--card-color);
  border-bottom: 3px solid var(--primary-red);
  padding: 0 20px;
  height: 60px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.6);
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  box-sizing: border-box;
}

.bar-left {
  display: flex;
  align-items: center;
  gap: 20px;
}

.bar-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

.hamburger-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-bright);
}

.hamburger-btn svg {
  width: 28px;
  height: 28px;
  stroke: currentColor;
}

.app-title {
  font-size: 1.2rem;
  font-weight: bold;
  letter-spacing: 1px;
}

.app-title span {
  color: var(--primary-red);
}

.user-profile {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
}

.avatar {
  width: 35px;
  height: 35px;
  background: var(--input-bg);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-color);
}

/* --- Sidebar --- */
.sidebar {
  position: fixed;
  top: 60px;
  left: -250px;
  width: var(--nav-width);
  height: calc(100% - 60px);
  background: var(--card-color);
  border-right: 1px solid var(--border-color);
  transition: left 0.3s ease;
  z-index: 999;
  padding: 20px;
}

.sidebar.active {
  left: 0;
}

.nav-item {
  padding: 12px;
  border-radius: 4px;
  color: var(--text-muted);
  cursor: pointer;
  display: block;
  margin-bottom: 5px;
  transition: 0.2s;
}

.nav-item:hover {
  background: var(--input-bg);
  color: var(--text-bright);
}

/* --- Login Form Styling --- */
.login_form {
  max-width: 400px;
  margin: 0px auto;
  background: var(--card-color);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 40px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  text-align: center;
}

.login_form h2 {
  color: var(--text-bright);
  margin-bottom: 30px;
  font-size: 2rem;
  font-weight: 600;
}

.form-group {
  margin-bottom: 20px;
  text-align: left;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  color: var(--text-color);
  font-size: 0.9rem;
  font-weight: 500;
}

.form-group input {
  width: 100%;
  padding: 12px 16px;
  background: var(--input-bg);
  border: 2px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-bright);
  font-size: 1rem;
  outline: none;
  transition: border-color 0.3s ease;
  box-sizing: border-box;
}

.form-group input:focus {
  border-color: var(--primary-red);
  box-shadow: 0 0 0 3px rgba(200, 36, 47, 0.1);
}

.login_form button {
  width: 100%;
  padding: 14px;
  background: var(--primary-red);
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.3s ease;
  margin-top: 10px;
}

.login_form button:hover {
  background: var(--primary-red-hover);
}

.login_form button.btn {
  background: var(--primary-blue);
}

.login_form button.btn:hover {
  background: var(--primary-blue-hover);
}

.login_form button:active {
  transform: translateY(1px);
}


body {
  font-family: "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}

/* --- Layout & Top Bar --- */
.top-bar {
  background-color: var(--card-color);
  border-bottom: 3px solid var(--primary-red);
  padding: 0 20px;
  height: 60px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.6);
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  box-sizing: border-box;
}

.bar-left {
  display: flex;
  align-items: center;
  gap: 20px;
}
.bar-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

.hamburger-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-bright);
}
.hamburger-btn svg {
  width: 28px;
  height: 28px;
  stroke: currentColor;
}

.app-title {
  font-size: 1.2rem;
  font-weight: bold;
  letter-spacing: 1px;
}
.app-title span {
  color: var(--primary-red);
}

.user-profile {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
}
.avatar {
  width: 35px;
  height: 35px;
  background: var(--input-bg);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-color);
}

/* --- Sidebar --- */
.sidebar {
  position: fixed;
  top: 60px;
  left: calc(-1 * var(--nav-width));
  width: var(--nav-width);
  height: calc(100vh - 60px);
  background: var(--card-color);
  border-right: 1px solid var(--border-color);
  transition: left 0.3s ease;
  z-index: 1000;
  padding: 20px;
  box-sizing: border-box;
  overflow-y: auto;
}
.sidebar.active {
  left: 0;
}
.nav-item {
  padding: 12px;
  border-radius: 4px;
  color: var(--text-muted);
  cursor: pointer;
  display: block;
  margin-bottom: 5px;
  transition: 0.2s;
  text-decoration: none;
}
.nav-item:hover {
  background: var(--input-bg);
  color: var(--text-bright);
}
.nav-item.active {
  color: var(--text-bright);
  background: var(--input-bg);
  border-left: 3px solid var(--primary-red);
}

/* --- Main Content Area --- */
.main-container {
  margin-top: 60px;
  padding: 20px;
  max-width: 1400px;
  margin-left: auto;
  margin-right: auto;
}

/* --- TABLE VIEW --- */
.table-view {
  width: 100%;
}
.table-controls {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-bottom: 20px;
  background: var(--card-color);
  padding: 15px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
}
.history-table-wrapper {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--border-color);
  border-radius: 8px;
}
.data-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--card-color);
}
.data-table th,
.data-table td {
  text-align: center;
  padding: 12px;
  border: 1px solid var(--border-color);
  font-size: 0.85rem;
}

/* Sortable Header Styles */
.data-table thead th {
  background: var(--table-header-bg) !important;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  cursor: pointer;
  position: relative;
  user-select: none;
  transition: background 0.2s;
}
.data-table thead th:hover {
  background: var(--input-bg);
  color: var(--text-bright);
}

/* Sort Arrows */
.sort-icon {
  display: inline-block;
  margin-left: 8px;
  width: 0;
  height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  vertical-align: middle;
  opacity: 0.3;
}
th.sort-asc .sort-icon {
  border-bottom: 5px solid var(--primary-red);
  opacity: 1;
}
th.sort-desc .sort-icon {
  border-top: 5px solid var(--primary-red);
  opacity: 1;
}

.data-table tr:hover {
  background: var(--input-bg);
}

.config-btn {
  background: var(--primary-red);
  color: white;
  border: none;
  padding: 6px 12px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.75rem;
  font-weight: bold;
  transition: 0.2s;
}
.config-btn:hover {
  background: var(--primary-red-hover);
}
.config-btn:disabled {
  background: #444;
  color: #777;
  cursor: not-allowed;
  opacity: 0.6;
}

/* --- MAESTRO Dark Industrial Color Schema --- */
:root {
  --bg-color: #121212;
  --card-color: #1e1e1e;
  --text-color: #e0e0e0;
  --text-bright: #ffffff;
  --text-muted: #888888;
  --primary-red: #ff1a1a;
  --primary-red-hover: #a01c24;
  --border-color: var(--border-color);
  --input-bg: #2a2a2a;
  --success-green: #2e7d32;
  --warning-orange: #f57f17;
}

body {
  font-family: "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  margin: 0;
  padding: 0;
  line-height: 1.6;
}

.container {
  max-width: 1000px;
  margin: 30px auto;
  padding: 0 20px;
}

#top-bar {
  background-color: var(--card-color);
  border-bottom: 3px solid var(--primary-red);
  padding: 15px 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.6);
  height: 45px;
}
.brand {
  font-size: 1.2rem;
  font-weight: bold;
  color: var(--text-bright);
  display: flex;
  align-items: center;
  gap: 10px;
}
.brand span {
  color: var(--primary-red);
}

.admin-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}
.header-actions {
  display: flex;
  gap: 10px;
}
.section-title {
  color: var(--text-bright);
  font-size: 1.5rem;
  margin: 0;
}

.card {
  background-color: var(--card-color);
  border-radius: 8px;
  border: 1px solid var(--border-color);
  padding: 20px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
  margin-bottom: 30px;
}

.sortable {
  cursor: pointer;
  transition: color 0.2s;
  position: relative;
  user-select: none;
}
.sortable:hover {
  color: var(--text-bright);
}
.sort-arrow {
  font-size: 0.8rem;
  margin-left: 5px;
  color: var(--primary-red);
}


.btn-primary:hover {
  background-color: var(--primary-red-hover);
}
.btn-secondary {
  background-color: var(--input-bg);
  color: var(--text-bright);
  border: 1px solid var(--border-color);
}
.btn-secondary:hover {
  background-color: var(--table-row-hover);
  border-color: var(--primary-red);
}
.btn-warning {
  background-color: transparent;
  color: var(--warning-orange);
  border: 1px solid var(--warning-orange);
}
.btn-warning:hover {
  background-color: var(--warning-orange);
  color: #000;
}

.btn-icon {
  padding: 6px;
  border-radius: 4px;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  border: 1px solid transparent;
  font-size: 1.1rem;
}
.btn-icon:hover {
  color: var(--text-bright);
  border-color: #555;
  background: var(--input-bg);
}

.user-table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
}
.user-table th {
  text-align: left;
  padding: 15px;
  color: var(--text-muted);
  font-weight: normal;
  border-bottom: 1px solid var(--border-color);
  text-transform: uppercase;
  font-size: 0.85rem;
}

.col-user {
  width: 220px;
}
.col-phone {
  width: 140px;
}
.col-admin {
  text-align: center !important;
  width: 70px;
}
.col-role {
  width: auto;
}
.col-scope {
  width: 150px;
}
.col-actions {
  text-align: right !important;
  width: 140px;
}

.user-table td {
  padding: 15px;
  border-bottom: 1px solid #2a2a2a;
  color: var(--text-bright);
  vertical-align: middle;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.user-table tr:last-child td {
  border-bottom: none;
}
.user-table tr:hover {
  background-color: var(--table-row-hover);
}

.role-badge {
  background: var(--input-bg);
  color: var(--text-muted);
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 0.8rem;
  border: 1px solid #444;
}

.admin-icon {
  color: var(--primary-red);
  font-size: 1.4rem;
  filter: drop-shadow(0 0 8px rgba(255, 26, 26, 0.8));
  cursor: help;
}

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.85);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 2000;
  backdrop-filter: blur(5px);
}
.modal-box {
  background: var(--card-color);
  width: 900px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  padding: 30px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8);
  max-height: 90vh;
  overflow-y: auto;
}
.modal-title {
  margin-top: 0;
  color: var(--text-bright);
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 15px;
  margin-bottom: 20px;
}
.form-group {
  margin-bottom: 15px;
}
.form-label {
  display: block;
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 5px;
}
.form-input {
  width: 100%;
  padding: 10px;
  background: var(--input-bg);
  border: 1px solid var(--border-color);
  color: white;
  border-radius: 4px;
  box-sizing: border-box;
  font-family: inherit;
}

.device-scroll-box {
  background: var(--input-bg);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  max-height: 300px;
  overflow-y: auto;
  padding: 0;
  position: relative;
}

.perm-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.perm-table thead {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--table-header-bg) !important;
}

.perm-table th {
  text-align: center;
  color: var(--text-muted);
  padding: 12px 10px;
  border-bottom: 2px solid var(--border-color);
}

.perm-table td {
  padding: 8px 10px;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-color);
  text-align: center;
}
.serial-text {
  font-family: "Courier New", monospace;
  font-size: 0.8rem;
  color: var(--text-muted);
}
input[type="checkbox"] {
  accent-color: var(--primary-red);
  transform: scale(1.1);
  cursor: pointer;
  width: 20px;
  height: 20px;
  accent-color: var(--primary-red);
}

.global-checks {
  display: flex;
  gap: 20px;
  margin-bottom: 15px;
  padding: 10px;
  background: var(--table-header-bg) !important;
  border-radius: 4px;
}
.check-label {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  color: var(--text-bright);
  font-size: 0.9rem;
}
.modal-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 25px;
  padding-top: 20px;
  border-top: 1px solid var(--border-color);
}
.modal-actions {
  display: flex;
  gap: 10px;
}


body {
  font-family: "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  margin: 0;
  padding: 0;
  overflow-x: hidden;
  overflow-y: auto;
}

/* --- Layout & Top Bar --- */
.top-bar {
  background-color: var(--card-color);
  border-bottom: 3px solid var(--primary-red);
  padding: 0 20px;
  height: 60px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.6);
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1001;
  box-sizing: border-box;
}

.bar-left {
  display: flex;
  align-items: center;
  gap: 20px;
}
.bar-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

.hamburger-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-bright);
}
.hamburger-btn svg {
  width: 28px;
  height: 28px;
  stroke: currentColor;
}

.app-title {
  font-size: 1.2rem;
  font-weight: bold;
  letter-spacing: 1px;
}
.app-title span {
  color: var(--primary-red);
}

.user-profile {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
}
.avatar {
  width: 35px;
  height: 35px;
  background: var(--input-bg);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-color);
}

/* --- Sidebar --- */
.sidebar {
  position: fixed;
  top: 60px;
  left: -250px;
  width: var(--nav-width);
  height: calc(100vh - 60px);
  background: var(--card-color);
  border-right: 1px solid var(--border-color);
  transition: left 0.3s ease;
  z-index: 1000;
  padding: 20px;
  overflow-y: auto;
  box-sizing: border-box;
}
.sidebar.active {
  left: 0;
}
.nav-item {
  padding: 12px;
  border-radius: 4px;
  color: var(--text-muted);
  cursor: pointer;
  display: block;
  margin-bottom: 5px;
  transition: 0.2s;
  text-decoration: none;
}
.nav-item:hover {
  background: var(--input-bg);
  color: var(--text-bright);
}
.nav-item.active {
  color: var(--text-bright);
  background: var(--input-bg);
  border-left: 3px solid var(--primary-red);
}

/* --- Main Content Area --- */
.main-container {
  margin-top: 60px;
  padding: 20px;
  max-width: 1400px;
  margin-left: auto;
  margin-right: auto;
}

/* --- TABLE VIEW --- */
.table-view {
  width: 100%;
}
.table-controls {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-bottom: 20px;
  background: var(--card-color);
  padding: 15px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
}
.history-table-wrapper {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--border-color);
  border-radius: 8px;
}
.data-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--card-color);
}
.data-table th,
.data-table td {
  text-align: center;
  padding: 12px;
  border: 1px solid var(--border-color);
  font-size: 0.85rem;
}

/* Sortable Header Styles */
.data-table thead th {
  background: var(--table-header-bg) !important;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  cursor: pointer;
  position: relative;
  user-select: none;
  transition: background 0.2s;
}
.data-table thead th:hover {
  background: var(--input-bg);
  color: var(--text-bright);
}

/* Sort Arrows */
.sort-icon {
  display: inline-block;
  margin-left: 8px;
  width: 0;
  height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  vertical-align: middle;
  opacity: 0.3;
}
th.sort-asc .sort-icon {
  border-bottom: 5px solid var(--primary-red);
  opacity: 1;
}
th.sort-desc .sort-icon {
  border-top: 5px solid var(--primary-red);
  opacity: 1;
}

.data-table tr:hover {
  background: var(--input-bg);
}

.config-btn {
  background: var(--primary-red);
  color: white;
  border: none;
  padding: 6px 12px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.75rem;
  font-weight: bold;
  transition: 0.2s;
}
.config-btn:hover {
  background: var(--primary-red-hover);
}
.config-btn:disabled {
  background: #444;
  color: #777;
  cursor: not-allowed;
  opacity: 0.6;
}

:root {
  --bg-color: #121212;
  --card-color: #1e1e1e;
  --text-color: #e0e0e0;
  --text-bright: #ffffff;
  --text-muted: #888888;
  --primary-red: #c8242f;
  --primary-red-hover: #a01c24;
  --border-color: var(--border-color);
  --input-bg: #2a2a2a;
  --warning-orange: #f57f17;
}

body {
  font-family: "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}

.top-bar {
  background-color: var(--card-color);
  border-bottom: 3px solid var(--primary-red);
  padding: 0 20px;
  height: 60px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  box-sizing: border-box;
}
.app-title {
  font-size: 1.2rem;
  font-weight: bold;
  letter-spacing: 1px;
}
.app-title span {
  color: var(--primary-red);
}

.main-container {
  margin-top: 80px;
  padding: 20px;
  max-width: 1400px;
  margin-left: auto;
  margin-right: auto;
}

.control-panel {
  background: var(--card-color);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 25px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 30px;
}

.btn-group {
  display: flex;
  gap: 8px;
}

.btn:hover {
  border-color: var(--primary-red);
  color: var(--text-bright);
}
.btn.active {
  background: var(--primary-red);
  color: white;
  border-color: var(--primary-red);
}

.date-range-picker {
  display: flex;
  align-items: center;
  gap: 15px;
  color: var(--text-muted);
  font-size: 0.8rem;
}
.date-input {
  background: var(--input-bg);
  border: 1px solid var(--border-color);
  color: var(--text-bright);
  padding: 8px 12px;
  border-radius: 4px;
  outline: none;
  cursor: pointer;
  min-width: 150px;
  font-family: monospace;
}

.btn-export {
  background: transparent;
  color: var(--warning-orange);
  border: 1px solid var(--warning-orange);
}
.btn-export:hover {
  background: var(--warning-orange);
  color: #000;
}

.chart-container {
  background: var(--card-color);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 25px;
  margin-bottom: 25px;
  height: 400px;
}

.table-wrapper {
  width: 100%;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: var(--card-color);
  overflow: hidden;
}
.data-table {
  width: 100%;
  border-collapse: collapse;
}
.data-table th {
  background: var(--table-header-bg);
  padding: 14px;
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--text-muted);
  border-bottom: 2px solid var(--border-color);
  text-align: left;
}
.data-table td {
  padding: 14px;
  font-size: 0.85rem;
  border-bottom: 1px solid var(--border-color);
}
.stat-val {
  font-weight: bold;
  color: var(--text-bright);
  font-family: monospace;
}

/* --- Layout & Top Bar --- */
.top-bar {
  background-color: var(--card-color);
  border-bottom: 3px solid var(--primary-red);
  padding: 0 20px;
  height: 60px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.6);
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  box-sizing: border-box;
}

.bar-left {
  display: flex;
  align-items: center;
  gap: 20px;
}
.bar-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

.hamburger-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-bright);
}
.hamburger-btn svg {
  width: 28px;
  height: 28px;
  stroke: currentColor;
}

.app-title {
  font-size: 1.2rem;
  font-weight: bold;
  letter-spacing: 1px;
}
.app-title span {
  color: var(--primary-red);
}

.user-profile {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
}
.avatar {
  width: 35px;
  height: 35px;
  background: var(--input-bg);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-color);
}

/* --- Sidebar --- */
.sidebar {
  position: fixed;
  top: 60px;
  left: -250px;
  width: var(--nav-width);
  height: calc(100vh - 60px);
  background: var(--card-color);
  border-right: 1px solid var(--border-color);
  transition: left 0.3s ease;
  z-index: 1000;
  padding: 20px;
  box-sizing: border-box;
  overflow-y: auto;
}
.sidebar.active {
  left: 0;
}
.nav-item {
  padding: 12px;
  border-radius: 4px;
  color: var(--text-muted);
  cursor: pointer;
  display: block;
  margin-bottom: 5px;
  transition: 0.2s;
}
.nav-item:hover {
  background: var(--input-bg);
  color: var(--text-bright);
}