/* ======================================================
   RESPONSIVE DESIGN
   Breakpoints: 1200 / 1024 / 900 / 768 / 600 / 480
   ====================================================== */

/* ── Large tablet / small desktop ── */
@media (max-width: 1200px) {
  #app {
    grid-template-columns: 72px 1fr;
  }
  .sidebar {
    align-items: center;
    padding: 12px 0;
  }
  .sb-label, .sb-title, .sb-badge {
    display: none;
  }
  .sb-item {
    padding: 13px;
    justify-content: center;
  }
  .sb-profile-card {
    display: none;
  }
  .cam-side-panel {
    height: auto;
    overflow: visible;
  }
}

/* ── Tablet landscape ── */
@media (max-width: 1024px) {
  .cam-grid {
    grid-template-columns: 1fr;
    overflow-y: auto;
  }
  .cam-side-panel {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }
  .employees-grid {
    grid-template-columns: 1fr;
    overflow-y: auto;
  }
  .employee-add-card {
    height: auto;
    overflow: visible;
  }
  .settings-grid {
    grid-template-columns: 160px 1fr;
  }
  .hud-controls-hub {
    z-index: 50;
  }
}

/* ── Small tablet ── */
@media (max-width: 900px) {
  .tb-status-panel {
    gap: 6px;
  }
  .status-pill {
    padding: 4px 10px;
    font-size: 10px;
  }
  .hud-meta-left, .hud-meta-right {
    top: 10px;
    left: 10px;
    right: 10px;
  }
  .hud-overlay-bottom {
    bottom: 72px;
    left: 12px;
    right: 12px;
  }
  .hud-telemetry-item {
    font-size: 9px;
    padding: 3px 6px;
  }
  .ph-desc {
    display: none;
  }
  .dashboard-kpis {
    gap: 6px;
  }
  .kpi-widget {
    padding: 8px;
  }
  .kpi-val {
    font-size: 20px;
  }
  .employee-add-card {
    padding: 16px;
  }
  .upload-avatar-zone {
    padding: 16px;
    min-height: 100px;
  }
  .settings-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .settings-nav {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 6px;
  }
  .settings-nav-item {
    padding: 8px 14px;
    font-size: 11px;
  }
}

/* ── Mobile landscape / small tablet ── */
@media (max-width: 768px) {
  #app {
    grid-template-rows: 56px 1fr;
    grid-template-columns: 1fr;
    height: 100vh;
  }

  body {
    overflow: hidden;
  }

  /* Topbar */
  .topbar {
    padding: 0 14px;
    gap: 8px;
    height: 56px;
  }
  .tb-status-panel {
    display: none;
  }
  .tb-store-name {
    display: none;
  }
  .tb-clock {
    display: none;
  }
  .tb-title {
    font-size: 14px;
  }
  .tb-logo {
    width: 36px;
    height: 36px;
  }
  .tb-logout-btn span {
    display: none;
  }
  .tb-logout-btn {
    padding: 6px 10px;
  }

  /* Sidebar → bottom navigation */
  .sidebar {
    grid-column: 1 / -1;
    flex-direction: row;
    justify-content: space-around;
    align-items: center;
    height: 56px;
    padding: 0 8px;
    border-right: none;
    border-top: 1px solid var(--panel-border);
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 200;
    background: rgba(10, 16, 32, 0.95);
    backdrop-filter: blur(20px);
  }
  body.light-mode .sidebar {
    background: rgba(255, 255, 255, 0.95);
  }
  .sb-group {
    display: contents;
    margin: 0;
  }
  .sb-profile-card, .sb-label, .sb-title, .sb-badge {
    display: none;
  }
  .sb-item {
    padding: 8px 12px;
    flex-direction: column;
    gap: 2px;
    font-size: 8px;
  }
  .sb-item.active::before {
    top: 0;
    left: 10%;
    right: 10%;
    bottom: auto;
    height: 2px;
    width: auto;
    border-radius: 0 0 4px 4px;
  }
  .sb-icon svg {
    width: 16px;
    height: 16px;
    stroke-width: 2;
  }

  .main-content {
    padding-bottom: 56px;
  }

  /* Camera page */
  .cam-grid {
    padding: 10px;
    gap: 10px;
  }
  .cam-monitor-panel {
    min-height: 200px;
  }
  .cam-side-panel {
    display: flex;
    flex-direction: column;
    gap: 10px;
  }
  .hud-controls-hub {
    gap: 6px;
    z-index: 50;
  }
  .hud-btn {
    padding: 6px 12px;
    font-size: 11px;
  }
  .hud-btn svg {
    width: 14px;
    height: 14px;
  }
  .hud-corner {
    width: 14px;
    height: 14px;
  }
  .hud-corner.tl, .hud-corner.tr { top: 8px; }
  .hud-corner.bl, .hud-corner.br { bottom: 8px; }
  .hud-corner.tl, .hud-corner.bl { left: 8px; }
  .hud-corner.tr, .hud-corner.br { right: 8px; }

  .hud-meta-left {
    top: 8px;
    left: 8px;
    gap: 4px;
  }
  .hud-meta-right {
    top: 8px;
    right: 8px;
  }
  .hud-badge {
    font-size: 8px;
    padding: 2px 6px;
  }
  .hud-overlay-bottom {
    bottom: 56px;
    left: 8px;
    right: 8px;
  }
  .hud-telemetry-item {
    font-size: 8px;
    padding: 2px 6px;
  }

  .hud-idle-icon {
    width: 40px;
    height: 40px;
  }
  .hud-idle-text {
    font-size: 11px;
    max-width: 240px;
  }

  /* Alert feed items — wrap buttons */
  .alert-item {
    flex-wrap: wrap;
    gap: 6px;
    padding: 8px;
  }
  .alert-thumbnail {
    width: 36px;
    height: 28px;
  }
  .alert-details {
    flex: 1 1 auto;
    min-width: 0;
  }
  .panic-copy-btn,
  .panic-qr-btn {
    margin-left: 0;
  }

  /* Side panel cards */
  .video-source-chips {
    grid-template-columns: 1fr 1fr;
  }
  .source-chip {
    padding: 6px 10px;
    font-size: 10px;
  }
  .dropzone-area {
    padding: 12px;
  }
  .dropzone-icon {
    width: 24px;
    height: 24px;
  }
  .dropzone-text {
    font-size: 10px;
  }

  .sidebar-card {
    padding: 12px;
  }
  .sidebar-card-title {
    font-size: 10px;
    margin-bottom: 8px;
    padding-bottom: 6px;
  }
  .dashboard-kpis {
    gap: 6px;
  }
  .kpi-widget {
    padding: 8px;
  }
  .kpi-val {
    font-size: 20px;
  }

  /* Employees page */
  .employees-grid {
    gap: 10px;
    padding: 10px;
    overflow-y: auto;
  }
  .employees-list-panel {
    min-height: 0;
  }
  .employees-cards-container {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }
  .employee-card {
    padding: 12px;
  }
  .employee-avatar-wrap {
    width: 56px;
    height: 56px;
  }
  .employee-avatar-wrap .avatar-initials {
    font-size: 18px;
  }
  .employee-name {
    font-size: 11px;
  }
  .employee-add-card {
    padding: 14px;
    height: auto;
    overflow: visible;
  }
  .upload-avatar-zone {
    min-height: 100px;
    padding: 16px;
  }

  /* Logs page */
  .logs-container {
    padding: 10px;
    gap: 10px;
  }
  .logs-filters {
    flex-wrap: wrap;
  }
  .log-filter-btn {
    font-size: 10px;
    padding: 4px 12px;
  }
  .logs-table-wrapper {
    overflow-x: auto;
  }
  .logs-table th,
  .logs-table td {
    padding: 8px 10px;
    font-size: 10px;
  }
  .logs-table th:nth-child(3),
  .logs-table td:nth-child(3),
  .logs-table th:nth-child(4),
  .logs-table td:nth-child(4) {
    display: none;
  }

  /* Settings page */
  .settings-grid {
    padding: 10px;
    gap: 10px;
    overflow-y: auto;
  }
  .settings-nav {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 6px;
  }
  .settings-nav-item {
    padding: 6px 12px;
    font-size: 11px;
  }
  .setting-section-card {
    padding: 14px;
  }
  .setting-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
  .cyber-slider-wrap input[type="range"] {
    width: 80px;
  }

  /* Page header */
  .page-header {
    padding: 10px 14px;
    flex-wrap: wrap;
    gap: 6px;
  }
  .ph-title {
    font-size: 14px;
  }
  .ph-desc {
    display: none;
  }
  .ph-actions .btn span {
    display: none;
  }
  .ph-actions .btn svg {
    margin: 0;
  }

  /* Modal adjustments */
  .modal-card {
    width: 96%;
    max-width: 96%;
  }
  .modal-photo {
    height: 180px;
  }
  .modal-body {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  /* Toast */
  .toast-container {
    min-width: auto;
    width: 90%;
    left: 50%;
    top: 10px;
    padding: 10px 14px;
    transform: translateX(-50%) translateY(-16px);
  }
  .toast-container.show {
    transform: translateX(-50%) translateY(0);
  }

  /* QR popup */
  .panic-qr-popup-content {
    max-width: 300px;
    padding: 20px 16px 16px;
  }
  .panic-qr-image {
    width: 180px;
    height: 180px;
  }
  .panic-qr-link-text {
    font-size: 9px;
    padding: 8px;
  }
}

/* ── Medium mobile ── */
@media (max-width: 600px) {
  .employees-cards-container {
    grid-template-columns: 1fr;
  }
  .page-header {
    flex-direction: column;
    align-items: flex-start;
  }
  .ph-actions {
    width: 100%;
  }
  .ph-actions .btn {
    flex: 1;
    justify-content: center;
  }
  .cam-side-panel {
    grid-template-columns: 1fr;
  }
  .dashboard-kpis {
    grid-template-columns: 1fr 1fr;
  }
}

/* ── Extra small mobile ── */
@media (max-width: 480px) {
  .topbar {
    padding: 0 8px;
    gap: 4px;
  }
  .tb-logo {
    width: 30px;
    height: 30px;
  }
  .tb-title {
    font-size: 12px;
  }
  .tb-right {
    gap: 6px;
  }
  .tb-logout-btn {
    padding: 4px 8px;
  }

  .cam-monitor-panel {
    min-height: 160px;
  }

  .kpi-widget {
    padding: 6px;
  }
  .kpi-val {
    font-size: 18px;
  }
  .kpi-label {
    font-size: 9px;
  }

  .hud-controls-hub {
    flex-direction: column-reverse;
    gap: 4px;
    bottom: 10px;
  }
  .hud-btn {
    padding: 5px 10px;
    font-size: 10px;
    justify-content: center;
    min-width: 110px;
  }

  .hud-overlay-bottom {
    display: none;
  }

  .sb-item {
    padding: 6px 8px;
    font-size: 7px;
  }
  .sb-icon svg {
    width: 14px;
    height: 14px;
  }

  .sidebar-card-title {
    font-size: 9px;
  }

  .employees-cards-container {
    gap: 6px;
  }
  .employee-card {
    padding: 10px;
  }
  .employee-avatar-wrap {
    width: 48px;
    height: 48px;
  }

  .auth-card {
    padding: 28px 20px;
  }

  .panic-qr-popup-content {
    max-width: 280px;
    padding: 16px 12px 12px;
  }
  .panic-qr-image {
    width: 160px;
    height: 160px;
  }

  .modal-photo {
    height: 140px;
  }
}