/* ================================================================
   Smart Agriculture — Premium Mobile & Responsive Design System
   Optimized for Smartphones (iOS & Android), Tablets & Laptops
   ================================================================ */

/* Mobile Sidebar Backdrop Overlay */
.sidebar-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(6, 40, 28, 0.6);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 9990;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.28s cubic-bezier(0.4, 0, 0.2, 1);
}

.sidebar-overlay.active {
  opacity: 1;
  visibility: visible;
}

/* Close Button inside Mobile Sidebar */
.sidebar-close-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.4rem;
  padding: 6px;
  cursor: pointer;
  margin-left: auto;
  line-height: 1;
}

/* ================================================================
   Tablet & Desktop Breakpoints
   ================================================================ */

/* Medium Laptops & Desktops (max-width: 1200px) */
@media (max-width: 1200px) {
  .sensor-cards-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .dashboard-two-col {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .history-summary-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Tablets (max-width: 992px) */
@media (max-width: 992px) {
  .app-sidebar {
    transform: translateX(-100%);
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    width: 280px;
    max-width: 85vw;
    z-index: 9999;
    box-shadow: 4px 0 24px rgba(0, 0, 0, 0.25);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  }

  .app-sidebar.mobile-open {
    transform: translateX(0);
  }

  .sidebar-close-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .app-main {
    margin-left: 0;
    width: 100%;
  }

  .mobile-menu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    background-color: var(--bg-surface-alt);
    border: 1px solid var(--border-subtle);
    color: var(--sp-primary-700);
    cursor: pointer;
    flex-shrink: 0;
  }

  .app-topbar {
    padding: 0 16px;
    height: 64px;
  }

  .page-content-wrapper {
    padding: 16px;
  }

  .overview-banner {
    flex-direction: column;
    align-items: flex-start;
    padding: 20px;
    gap: 16px;
  }

  .overview-stats-col {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
  }

  .history-summary-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
  }
}

/* ================================================================
   Smartphone Breakpoints (Phones <= 768px)
   ================================================================ */
@media (max-width: 768px) {
  /* Layout Spacing */
  .app-topbar {
    padding: 0 12px;
    height: 60px;
  }

  .topbar-left {
    gap: 10px;
    min-width: 0;
    flex: 1;
  }

  .page-heading-group {
    min-width: 0;
  }

  .page-main-title {
    font-size: 1rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .page-breadcrumb {
    display: none;
  }

  .topbar-right {
    gap: 8px;
    flex-shrink: 0;
  }

  /* Compact connection chip on mobile - show animated dot only */
  .connection-chip span:last-child {
    display: none;
  }

  .connection-chip {
    padding: 6px 8px;
  }

  /* Hide sync badge on smartphones to prevent horizontal overflow */
  .last-sync-badge {
    display: none;
  }

  .page-content-wrapper {
    padding: 12px;
  }

  /* Overview Banner */
  .overview-banner {
    padding: 16px;
    border-radius: var(--radius-md);
    margin-bottom: 16px;
  }

  .overview-info-col h1 {
    font-size: 1.15rem;
    line-height: 1.3;
    margin-bottom: 4px;
  }

  .overview-desc {
    font-size: 0.78rem;
    line-height: 1.45;
  }

  .overview-stats-col {
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
  }

  .overview-stats-col .overview-stat-pill {
    flex: 1 1 calc(50% - 8px);
    min-width: 130px;
  }

  .overview-stats-col .chart-filter-group {
    width: 100%;
    display: flex;
  }

  .overview-stat-pill {
    padding: 8px 10px;
  }

  .overview-stat-label {
    font-size: 0.65rem;
  }

  .overview-stat-val {
    font-size: 0.85rem;
  }

  /* 3 Primary Sensor Cards */
  .sensor-cards-grid {
    grid-template-columns: 1fr;
    gap: 12px;
    margin-bottom: 16px;
  }

  .sensor-card {
    padding: 16px;
    border-radius: var(--radius-md);
  }

  .sensor-card-header {
    margin-bottom: 10px;
  }

  .sensor-label {
    font-size: 0.84rem;
  }

  .sensor-main-value {
    font-size: 2rem;
  }

  .sensor-unit {
    font-size: 0.95rem;
  }

  .circular-gauge-container {
    width: 64px;
    height: 64px;
  }

  .sensor-card-footer {
    padding-top: 8px;
    font-size: 0.72rem;
  }

  /* Diagnosis & Alerts */
  .dashboard-two-col {
    gap: 14px;
    margin-bottom: 16px;
  }

  .content-card {
    padding: 16px;
    border-radius: var(--radius-md);
  }

  .card-heading {
    font-size: 0.95rem;
  }

  .card-heading-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    margin-bottom: 14px;
  }

  .health-overview-box {
    padding: 12px;
    gap: 14px;
  }

  .health-radial-badge {
    width: 60px;
    height: 60px;
  }

  .health-score-number {
    font-size: 1.15rem;
  }

  .health-summary-text {
    font-size: 0.78rem;
    line-height: 1.45;
  }

  .recommendation-item {
    font-size: 0.78rem;
    padding: 8px 10px;
  }

  /* Charts */
  .chart-card {
    padding: 16px;
    border-radius: var(--radius-md);
    margin-bottom: 16px;
  }

  .chart-canvas-box {
    height: 220px;
    margin-top: 10px;
  }

  .chart-filter-group {
    width: 100%;
    display: flex;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding: 2px;
  }

  .chart-filter-btn {
    flex: 1;
    min-width: 64px;
    padding: 6px 8px;
    font-size: 0.72rem;
    text-align: center;
  }

  /* History Summary Cards */
  .history-summary-grid {
    grid-template-columns: 1fr !important;
    gap: 12px;
    margin-bottom: 16px;
  }

  .history-actions-bar {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }

  .history-actions-controls {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 10px;
  }

  .history-actions-controls .history-search-box {
    flex: 1;
    width: auto !important;
  }

  .history-actions-controls .sp-btn {
    flex-shrink: 0;
  }

  .history-search-box {
    width: 100% !important;
  }

  /* Table Mobile Scroll Optimization */
  .table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-subtle);
  }

  .sp-table {
    min-width: 620px;
    font-size: 0.78rem;
  }

  .sp-table th, .sp-table td {
    padding: 10px 12px;
  }

  /* Buttons on Mobile - Touch Target Optimization */
  .sp-btn {
    padding: 8px 14px;
    font-size: 0.8rem;
    min-height: 38px;
  }

  .icon-btn {
    width: 38px;
    height: 38px;
  }
}

/* ================================================================
   Ultra-Compact Screen Sizing (Phones <= 420px: iPhone SE, etc.)
   ================================================================ */
@media (max-width: 420px) {
  .app-topbar {
    padding: 0 8px;
  }

  .mobile-menu-toggle {
    width: 36px;
    height: 36px;
  }

  .page-main-title {
    font-size: 0.92rem;
  }

  .topbar-right {
    gap: 4px;
  }

  /* Hide connection label on tiny screens, keeping only the animated status dot */
  .connection-chip span:last-child {
    display: none;
  }

  .connection-chip {
    padding: 5px 7px;
  }

  /* Hide last sync time badge on tiny screens to prevent wrapping */
  .last-sync-badge {
    display: none;
  }

  .pwa-install-btn span {
    display: none;
  }

  .pwa-install-btn {
    padding: 6px 8px;
  }

  .overview-stats-col {
    grid-template-columns: 1fr;
  }

  .sensor-main-value {
    font-size: 1.75rem;
  }

  .circular-gauge-container {
    width: 56px;
    height: 56px;
  }

  .sp-modal {
    width: 95%;
    padding: 18px 14px;
  }
}