/**
 * MilAir Watch - Mobile-First Radar Style CSS
 * Modern, dark theme optimized for mobile aircraft tracking
 * Copyright 2025 Joachim Thirsbro
 */

/* ========================================
   CSS CUSTOM PROPERTIES
   ======================================== */
:root {
    /* Dark Radar Theme */
    --radar-bg: #0a0e1a;
    --radar-bg-light: #131825;
    --radar-surface: #1a1f2e;
    --radar-surface-elevated: #252b3d;

    /* Accent Colors */
    --accent-primary: #00d4ff;
    --accent-military: #00ff88;
    --accent-emergency: #ff3366;
    --accent-special: #ffaa00;

    /* Text Colors */
    --text-primary: #e8eaed;
    --text-secondary: #9aa0a6;
    --text-muted: #5f6368;

    /* Status Colors */
    --status-military: #00ff88;
    --status-emergency: #ff3366;
    --status-special: #ffaa00;
    --status-civilian: #00d4ff;

    /* UI Elements */
    --border-subtle: rgba(255, 255, 255, 0.08);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.6);

    /* Z-index Layers */
    --z-base: 1;
    --z-map: 10;
    --z-filter-bar: 100;
    --z-bottom-sheet: 200;
    --z-menu: 300;
    --z-emergency: 400;
    --z-modal: 500;

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);

    /* Spacing */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    /* Touch Targets */
    --touch-min: 44px;
    --touch-optimal: 56px;
}

/* ========================================
   RESET & BASE STYLES
   ======================================== */
* {
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    /* Prevent page zoom and scroll */
    overflow: hidden;
    position: fixed;
    width: 100%;
    height: 100%;
    touch-action: manipulation;
}

body {
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto,
                 'Helvetica Neue', Arial, sans-serif;
    background: var(--radar-bg);
    color: var(--text-primary);
    overflow: hidden;
    position: fixed;
    width: 100%;
    height: 100vh;
    height: 100dvh; /* Dynamic viewport height for mobile */
    /* Prevent iOS bounce scroll */
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: none;
}

/* ========================================
   MOBILE-FIRST LAYOUT
   ======================================== */
.app-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
    height: 100dvh;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
}

/* ========================================
   TOP BAR
   ======================================== */
.top-bar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 56px;
    /* Add safe area for iPhone notch */
    padding-top: env(safe-area-inset-top);
    background: var(--radar-surface);
    border-bottom: 1px solid var(--border-subtle);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-left: max(var(--space-md), env(safe-area-inset-left));
    padding-right: max(var(--space-md), env(safe-area-inset-right));
    z-index: var(--z-menu);
    box-shadow: var(--shadow-md);
}

.app-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 18px;
    font-weight: 700;
    color: var(--accent-primary);
    text-decoration: none;
}

.logo-icon {
    font-size: 24px;
}

.hamburger-btn {
    width: var(--touch-min);
    height: var(--touch-min);
    border: none;
    background: transparent;
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
}

.hamburger-btn:hover,
.hamburger-btn:focus {
    background: var(--radar-surface-elevated);
}

.hamburger-icon {
    width: 24px;
    height: 20px;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.hamburger-icon span {
    display: block;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: transform var(--transition-normal), opacity var(--transition-normal);
}

.hamburger-btn.active .hamburger-icon span:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
}

.hamburger-btn.active .hamburger-icon span:nth-child(2) {
    opacity: 0;
}

.hamburger-btn.active .hamburger-icon span:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
}

/* ========================================
   FULLSCREEN MAP
   ======================================== */
.map-container {
    position: absolute;
    /* Account for top bar + safe area */
    top: calc(56px + env(safe-area-inset-top));
    left: 0;
    right: 0;
    /* Account for filter bar + safe area */
    bottom: calc(72px + env(safe-area-inset-bottom));
    z-index: var(--z-map);
    overflow: hidden;
}

#map {
    width: 100%;
    height: 100%;
    background: var(--radar-bg-light);
    /* Prevent map from triggering page zoom */
    touch-action: pan-x pan-y;
}

/* Aircraft icon styling */
.aircraft-icon {
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
}

.aircraft-icon div {
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Dark map tiles */
.leaflet-tile-container img {
    filter: brightness(0.6) contrast(1.2) saturate(0.8) hue-rotate(200deg);
}

/* Custom marker styles */
.leaflet-popup-content-wrapper {
    background: var(--radar-surface-elevated);
    color: var(--text-primary);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
}

.leaflet-popup-tip {
    background: var(--radar-surface-elevated);
}

.leaflet-popup-close-button {
    color: var(--text-primary) !important;
}

/* ========================================
   BOTTOM FILTER BAR
   ======================================== */
.filter-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--radar-surface);
    border-top: 1px solid var(--border-subtle);
    padding: var(--space-sm);
    /* Add safe area for iPhone home indicator */
    padding-bottom: max(var(--space-sm), env(safe-area-inset-bottom));
    padding-left: max(var(--space-sm), env(safe-area-inset-left));
    padding-right: max(var(--space-sm), env(safe-area-inset-right));
    display: flex;
    gap: var(--space-sm);
    z-index: var(--z-filter-bar);
    box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.5);
    transition: transform var(--transition-normal);
}

.filter-bar.hidden {
    transform: translateY(100%);
}

.filter-btn {
    flex: 1;
    min-height: var(--touch-optimal);
    border: 2px solid var(--border-subtle);
    background: var(--radar-surface-elevated);
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.filter-btn:active {
    transform: scale(0.95);
}

.filter-btn-icon {
    font-size: 20px;
}

.filter-btn-label {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Filter button active states */
.filter-btn.active {
    border-color: currentColor;
}

.filter-btn.military.active {
    color: var(--status-military);
    background: rgba(0, 255, 136, 0.1);
}

.filter-btn.emergency.active {
    color: var(--status-emergency);
    background: rgba(255, 51, 102, 0.1);
}

.filter-btn.special.active {
    color: var(--status-special);
    background: rgba(255, 170, 0, 0.1);
}

.filter-btn.all-aircraft.active {
    color: #00d4ff;  /* Cyan for all aircraft */
    background: rgba(0, 212, 255, 0.15);
}

.filter-btn.list-view.active {
    color: var(--accent-primary);
    background: rgba(0, 212, 255, 0.1);
}

/* Badge for count */
.filter-badge {
    position: absolute;
    top: 4px;
    right: 4px;
    background: var(--accent-emergency);
    color: white;
    font-size: 10px;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 12px;
    min-width: 18px;
    text-align: center;
}

/* ========================================
   BOTTOM SHEET (Aircraft Details)
   ======================================== */
.bottom-sheet {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--radar-surface);
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    box-shadow: var(--shadow-lg);
    z-index: var(--z-bottom-sheet);
    transform: translateY(100%);
    transition: transform var(--transition-normal);
    max-height: 85vh;
    display: flex;
    flex-direction: column;
}

.bottom-sheet.visible {
    transform: translateY(0);
}

.bottom-sheet-handle {
    width: 100%;
    padding: var(--space-md) 0 var(--space-sm) 0;
    display: flex;
    justify-content: center;
    cursor: grab;
}

.bottom-sheet-handle:active {
    cursor: grabbing;
}

.handle-bar {
    width: 40px;
    height: 4px;
    background: var(--text-muted);
    border-radius: 2px;
}

.bottom-sheet-content {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 0 var(--space-lg) var(--space-xl) var(--space-lg);
    -webkit-overflow-scrolling: touch;
}

/* Aircraft detail styles */
.aircraft-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-lg);
}

.aircraft-callsign {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
    font-family: 'Courier New', monospace;
}

.aircraft-status-badge {
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.aircraft-status-badge.military {
    background: var(--status-military);
    color: var(--radar-bg);
}

.aircraft-status-badge.emergency {
    background: var(--status-emergency);
    color: white;
    animation: pulse 2s infinite;
}

.aircraft-status-badge.special {
    background: var(--status-special);
    color: var(--radar-bg);
}

.aircraft-status-badge.civilian {
    background: rgba(100, 150, 255, 0.3);
    color: #88b3ff;
    border: 1px solid #88b3ff;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

.aircraft-details-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.detail-item {
    background: var(--radar-bg-light);
    padding: var(--space-md);
    border-radius: var(--radius-md);
}

.detail-label {
    font-size: 11px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}

.detail-value {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    font-family: 'Courier New', monospace;
}

.detail-value.large {
    font-size: 24px;
}

.detail-unit {
    font-size: 12px;
    color: var(--text-secondary);
    font-weight: 400;
    margin-left: 4px;
}

.squawk-desc {
    font-size: 10px;
    color: var(--text-secondary);
    font-weight: 400;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    margin-top: 2px;
    padding: 4px 6px;
    background: var(--radar-bg);
    border-radius: var(--radius-sm);
    display: inline-block;
    max-width: 100%;
    line-height: 1.3;
}

.aircraft-actions {
    display: flex;
    gap: var(--space-sm);
    margin-top: var(--space-lg);
}

.action-btn {
    flex: 1;
    min-height: var(--touch-optimal);
    border: none;
    background: var(--accent-primary);
    color: var(--radar-bg);
    font-size: 14px;
    font-weight: 600;
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    transition: all var(--transition-fast);
}

.action-btn:active {
    transform: scale(0.96);
}

.action-btn.secondary {
    background: var(--radar-surface-elevated);
    color: var(--text-primary);
    border: 1px solid var(--border-subtle);
}

.action-btn.following {
    background: var(--accent-primary);
    color: var(--radar-bg);
    border: none;
}

/* ========================================
   AIRCRAFT INFO SECTION (Photo & Type)
   ======================================== */
.aircraft-info-section {
    margin: var(--space-lg) 0;
    padding: var(--space-md);
    background: var(--radar-surface-elevated);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-subtle);
}

.aircraft-photo-container {
    position: relative;
    width: 100%;
    height: 200px;
    background: var(--radar-bg);
    border-radius: var(--radius-md);
    overflow: hidden;
    margin-bottom: var(--space-md);
}

.aircraft-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: none;
}

.photo-loader {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    color: var(--text-secondary);
    font-size: 13px;
}

.loader-spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--border-subtle);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.aircraft-type-info {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--radar-bg);
    border-radius: var(--radius-md);
}

.type-icon {
    font-size: 32px;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--radar-surface-elevated);
    border-radius: var(--radius-md);
}

.type-details {
    flex: 1;
}

.type-name {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.type-category {
    font-size: 13px;
    color: var(--text-secondary);
}

/* ========================================
   EXTERNAL LINKS
   ======================================== */
.external-links {
    margin-top: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--border-subtle);
}

.external-links-title {
    font-size: 14px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin: 0 0 var(--space-md) 0;
    font-weight: 600;
}

.external-links-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-sm);
}

.external-link {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md);
    background: var(--radar-surface-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.external-link:active {
    transform: scale(0.96);
    background: var(--radar-surface);
}

.link-icon {
    font-size: 18px;
}

/* ========================================
   HAMBURGER MENU (Slide-in)
   ======================================== */
.menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 14, 26, 0.8);
    backdrop-filter: blur(4px);
    z-index: var(--z-menu);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.menu-overlay.visible {
    opacity: 1;
    visibility: visible;
}

.side-menu {
    position: fixed;
    top: 0;
    right: 0;
    width: 85%;
    max-width: 320px;
    height: 100%;
    background: var(--radar-surface);
    box-shadow: var(--shadow-lg);
    z-index: calc(var(--z-menu) + 1);
    transform: translateX(100%);
    transition: transform var(--transition-normal);
    display: flex;
    flex-direction: column;
}

.side-menu.visible {
    transform: translateX(0);
}

.menu-header {
    padding: var(--space-lg);
    border-bottom: 1px solid var(--border-subtle);
}

.menu-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.menu-content {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-md);
}

.menu-section {
    margin-bottom: var(--space-xl);
}

.menu-section-title {
    font-size: 12px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin: 0 0 var(--space-md) 0;
    font-weight: 600;
}

.menu-item {
    padding: var(--space-md);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-sm);
    transition: background var(--transition-fast);
}

.menu-item:hover {
    background: var(--radar-surface-elevated);
}

.menu-item-icon {
    font-size: 20px;
    width: 24px;
    text-align: center;
}

.menu-item-text {
    flex: 1;
}

.menu-item-label {
    font-size: 15px;
    font-weight: 500;
    display: block;
}

.menu-item-desc {
    font-size: 12px;
    color: var(--text-secondary);
    display: block;
    margin-top: 2px;
}

/* Toggle switch */
.toggle-switch {
    width: 48px;
    height: 28px;
    background: var(--radar-bg-light);
    border-radius: 14px;
    position: relative;
    cursor: pointer;
    transition: background var(--transition-fast);
}

.toggle-switch.active {
    background: var(--accent-primary);
}

.toggle-switch::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 24px;
    background: white;
    border-radius: 50%;
    top: 2px;
    left: 2px;
    transition: transform var(--transition-fast);
}

.toggle-switch.active::after {
    transform: translateX(20px);
}

/* ========================================
   REGION SELECTOR
   ======================================== */
.region-selector {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    padding: 0;
}

.region-btn {
    width: 100%;
    padding: var(--space-md) var(--space-lg);
    background: var(--radar-surface-elevated);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: left;
    font-family: inherit;
}

.region-btn:hover {
    background: var(--radar-surface-hover);
    border-color: rgba(0, 212, 255, 0.3);
    transform: translateX(4px);
}

.region-btn:active {
    transform: translateX(4px) scale(0.98);
}

button.region-btn.active,
.region-btn.active {
    background: rgba(0, 212, 255, 0.35) !important;
    border: 3px solid #00d4ff !important;
    border-color: #00d4ff !important;
    color: #00d4ff !important;
    box-shadow: 0 0 8px #00d4ff, 0 0 0 3px #00d4ff !important;
    font-weight: 700 !important;
    filter: brightness(1.3) !important;
}

/* ========================================
   HEATMAP CONTROLS
   ======================================== */
.heatmap-mode-selector {
    display: flex;
    gap: var(--space-sm);
    padding: var(--space-md);
    padding-top: 0;
    flex-wrap: wrap;
}

.heatmap-mode-btn {
    flex: 1;
    min-width: 80px;
    padding: var(--space-sm) var(--space-md);
    background: var(--radar-surface-elevated);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: inherit;
}

.heatmap-mode-btn:hover {
    background: var(--radar-surface-hover);
    border-color: rgba(255, 100, 50, 0.3);
}

button.heatmap-mode-btn.active,
.heatmap-mode-btn.active {
    background: rgba(255, 100, 50, 0.4) !important;
    border: 3px solid #ff6432 !important;
    border-color: #ff6432 !important;
    color: #ff6432 !important;
    box-shadow: 0 0 8px #ff6432, 0 0 0 3px #ff6432 !important;
    font-weight: 700 !important;
    filter: brightness(1.3) !important;
}

/* Heatmap legend */
.heatmap-legend {
    position: absolute;
    bottom: calc(72px + env(safe-area-inset-bottom) + var(--space-md));
    right: var(--space-md);
    background: rgba(10, 14, 26, 0.95);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    min-width: 120px;
    z-index: calc(var(--z-map) + 2);
    backdrop-filter: blur(10px);
}

.heatmap-legend-title {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
}

.heatmap-legend-gradient {
    height: 100px;
    background: linear-gradient(to top,
        rgba(0, 0, 255, 0.8) 0%,
        rgba(0, 255, 255, 0.8) 25%,
        rgba(0, 255, 0, 0.8) 50%,
        rgba(255, 255, 0, 0.8) 75%,
        rgba(255, 0, 0, 0.8) 100%
    );
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-sm);
}

.heatmap-legend-labels {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.heatmap-legend-label {
    display: flex;
    justify-content: space-between;
    font-size: 11px;
    color: var(--text-secondary);
}

/* ========================================
   LIST VIEW
   ======================================== */
.list-view {
    position: fixed;
    /* Account for top bar + safe area */
    top: calc(56px + env(safe-area-inset-top));
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--radar-bg);
    z-index: calc(var(--z-map) + 1);
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-normal), visibility var(--transition-normal);
    padding: var(--space-md);
    /* Space for filter bar + safe area */
    padding-bottom: calc(80px + env(safe-area-inset-bottom));
}

.list-view.visible {
    opacity: 1;
    visibility: visible;
}

.list-header {
    padding: var(--space-md) 0;
    position: sticky;
    top: 0;
    background: var(--radar-bg);
    z-index: 10;
    border-bottom: 1px solid var(--border-subtle);
    margin-bottom: var(--space-md);
}

.list-stats {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.list-count {
    font-size: 14px;
    color: var(--text-secondary);
}

.sort-select {
    padding: var(--space-sm) var(--space-md);
    background: var(--radar-surface);
    border: 1px solid var(--border-subtle);
    color: var(--text-primary);
    border-radius: var(--radius-sm);
    font-size: 13px;
}

.aircraft-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.aircraft-card {
    background: var(--radar-surface);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    border-left: 4px solid var(--status-civilian);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.aircraft-card:active {
    transform: scale(0.98);
}

.aircraft-card.military {
    border-left-color: var(--status-military);
}

.aircraft-card.emergency {
    border-left-color: var(--status-emergency);
    background: rgba(255, 51, 102, 0.05);
}

.aircraft-card.special {
    border-left-color: var(--status-special);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-sm);
}

.card-callsign {
    font-size: 18px;
    font-weight: 700;
    font-family: 'Courier New', monospace;
    color: var(--text-primary);
}

.card-type-badge {
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
}

.card-type-badge.military {
    background: var(--status-military);
    color: var(--radar-bg);
}

.card-type-badge.emergency {
    background: var(--status-emergency);
    color: white;
}

.card-type-badge.special {
    background: var(--status-special);
    color: var(--radar-bg);
}

.card-details {
    display: flex;
    gap: var(--space-lg);
    font-size: 13px;
    color: var(--text-secondary);
}

.card-detail {
    display: flex;
    flex-direction: column;
}

.card-detail-value {
    color: var(--text-primary);
    font-weight: 600;
    font-family: 'Courier New', monospace;
}

/* ========================================
   EMERGENCY ALERT
   ======================================== */
.emergency-alert {
    position: fixed;
    /* Position below top bar + safe area */
    top: calc(64px + env(safe-area-inset-top));
    left: max(var(--space-md), env(safe-area-inset-left));
    right: max(var(--space-md), env(safe-area-inset-right));
    background: var(--status-emergency);
    color: white;
    padding: var(--space-md);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    z-index: var(--z-emergency);
    display: flex;
    align-items: center;
    gap: var(--space-md);
    transform: translateY(-200%);
    transition: transform var(--transition-normal);
}

.emergency-alert.visible {
    transform: translateY(0);
}

.emergency-alert-icon {
    font-size: 24px;
    animation: pulse 1.5s infinite;
}

.emergency-alert-content {
    flex: 1;
}

.emergency-alert-title {
    font-weight: 700;
    font-size: 14px;
    margin: 0 0 4px 0;
}

.emergency-alert-text {
    font-size: 12px;
    opacity: 0.9;
    margin: 0;
}

.emergency-close-btn {
    width: 32px;
    height: 32px;
    border: none;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border-radius: 50%;
    font-size: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background var(--transition-fast);
}

.emergency-close-btn:active {
    background: rgba(255, 255, 255, 0.3);
}

/* ========================================
   LOADING & STATUS
   ======================================== */
.status-indicator {
    position: fixed;
    /* Position below top bar + safe area */
    top: calc(64px + env(safe-area-inset-top));
    right: max(var(--space-md), env(safe-area-inset-right));
    padding: var(--space-sm) var(--space-md);
    background: var(--radar-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    font-size: 12px;
    color: var(--text-secondary);
    z-index: var(--z-emergency);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-fast), visibility var(--transition-fast);
}

.status-indicator.visible {
    opacity: 1;
    visibility: visible;
}

.status-spinner {
    width: 14px;
    height: 14px;
    border: 2px solid var(--border-subtle);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ========================================
   UTILITY CLASSES
   ======================================== */
.hidden {
    display: none !important;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ========================================
   RESPONSIVE - TABLET & DESKTOP
   ======================================== */
@media screen and (min-width: 768px) {
    .top-bar {
        height: 64px;
        padding: 0 var(--space-lg);
    }

    .app-logo {
        font-size: 20px;
    }

    .map-container {
        top: 64px;
    }

    .filter-bar {
        padding: var(--space-md);
        gap: var(--space-md);
    }

    .filter-btn {
        min-height: 64px;
        font-size: 14px;
    }

    .filter-btn-icon {
        font-size: 24px;
    }

    .filter-btn-label {
        font-size: 11px;
    }

    .bottom-sheet {
        max-width: 480px;
        left: 50%;
        transform: translate(-50%, 100%);
        border-radius: var(--radius-xl);
    }

    .bottom-sheet.visible {
        transform: translate(-50%, 0);
    }

    .side-menu {
        max-width: 400px;
    }

    .list-view {
        top: 64px;
        max-width: 800px;
        margin: 0 auto;
    }
}

@media screen and (min-width: 1024px) {
    .list-view {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-md);
    }

    .list-header {
        grid-column: 1 / -1;
    }
}

/* ========================================
   ACCESSIBILITY
   ======================================== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus styles */
*:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

/* ========================================
   PRINT STYLES
   ======================================== */
@media print {
    .top-bar,
    .filter-bar,
    .bottom-sheet,
    .side-menu,
    .emergency-alert {
        display: none !important;
    }

    .map-container {
        top: 0;
        position: static;
    }

    body {
        background: white;
        color: black;
    }
}