/**
 * TSI Mobile Responsiveness CSS
 * Version: 1.0.0
 * Phase: 4.6
 * Date: 2025-12-09
 *
 * Comprehensive mobile-first responsive design for:
 * - Training pages (all 6 species)
 * - Competition pages
 * - Adventure games
 * - Call Clash
 *
 * Tested targets:
 * - iPhone Safari (iOS 15+)
 * - Android Chrome
 * - iPad Safari
 * - Android Tablets
 */

/* ============================================
   CSS CUSTOM PROPERTIES (Mobile-friendly values)
   ============================================ */
:root {
    /* Touch-friendly minimum sizes (Apple HIG: 44px) */
    --touch-target-min: 44px;
    --touch-target-comfortable: 48px;

    /* Mobile spacing */
    --mobile-padding: 12px;
    --mobile-margin: 8px;
    --mobile-gap: 10px;

    /* Mobile typography */
    --mobile-font-base: 16px;
    --mobile-font-small: 14px;
    --mobile-font-large: 18px;
    --mobile-font-heading: 22px;

    /* Safe area insets for notched devices */
    --safe-area-top: env(safe-area-inset-top, 0px);
    --safe-area-bottom: env(safe-area-inset-bottom, 0px);
    --safe-area-left: env(safe-area-inset-left, 0px);
    --safe-area-right: env(safe-area-inset-right, 0px);
}

/* ============================================
   BASE MOBILE STYLES (< 768px)
   ============================================ */
@media screen and (max-width: 767px) {
    /* Prevent horizontal scroll */
    html, body {
        overflow-x: hidden;
        width: 100%;
        -webkit-text-size-adjust: 100%;
    }

    /* Safe area padding for notched devices */
    body {
        padding-top: var(--safe-area-top);
        padding-bottom: var(--safe-area-bottom);
        padding-left: var(--safe-area-left);
        padding-right: var(--safe-area-right);
    }

    /* Header adjustments */
    header {
        padding: 10px var(--mobile-padding) !important;
        flex-wrap: wrap !important;
        gap: var(--mobile-gap) !important;
    }

    .tsi-icon {
        width: 36px !important;
        height: 36px !important;
        margin-right: 8px !important;
    }

    .title-bar {
        flex: 1 1 100% !important;
        order: 2 !important;
        text-align: center !important;
    }

    .title-text {
        font-size: 1.1em !important;
        letter-spacing: 1px !important;
    }

    .progress-info {
        font-size: 0.75em !important;
    }

    .medal-display {
        order: 3 !important;
        justify-content: center !important;
        width: 100% !important;
        margin: 5px 0 !important;
    }

    .medal {
        width: 24px !important;
        height: 24px !important;
    }

    .call-type, .call-tag {
        font-size: 0.7em !important;
        padding: 6px 12px !important;
        margin: 0 5px !important;
    }

    .top-menus {
        position: absolute !important;
        top: 10px !important;
        right: var(--mobile-padding) !important;
        gap: 10px !important;
    }

    .menu-icon-link {
        font-size: 1.4em !important;
    }

    /* Left Navigation - Collapse to bottom bar on mobile */
    .left-nav {
        position: fixed !important;
        top: auto !important;
        bottom: 0 !important;
        left: 0 !important;
        right: 0 !important;
        width: 100% !important;
        height: auto !important;
        flex-direction: row !important;
        justify-content: space-around !important;
        padding: 8px var(--mobile-padding) !important;
        padding-bottom: calc(8px + var(--safe-area-bottom)) !important;
        background: linear-gradient(180deg, #000000 0%, #1a1a1a 100%) !important;
        border-top: 2px solid #FF6600 !important;
        border-left: none !important;
        z-index: 1001 !important;
    }

    .left-nav .nav-btn {
        width: var(--touch-target-min) !important;
        height: var(--touch-target-min) !important;
        margin: 0 !important;
        padding: 8px !important;
    }

    .left-nav .nav-icon {
        width: 24px !important;
        height: 24px !important;
    }

    /* Main content area - account for bottom nav */
    main, .main-content, .content-area, .training-container,
    .competition-hub, .adventure-container {
        margin-left: 0 !important;
        margin-top: 100px !important;
        margin-bottom: 70px !important;
        padding: var(--mobile-padding) !important;
        width: 100% !important;
    }

    /* ProGuide Panel */
    .proguide-panel, .guide-panel {
        position: relative !important;
        width: 100% !important;
        height: auto !important;
        max-height: 200px !important;
        margin-bottom: 15px !important;
    }

    .proguide-video, .guide-video {
        height: 150px !important;
        border-radius: 10px !important;
    }

    .proguide-overlay, .guide-overlay {
        padding: 10px !important;
    }

    .proguide-name {
        font-size: 1em !important;
    }

    .proguide-message {
        font-size: 0.85em !important;
    }

    /* Audio Visualization - Full width */
    .visualization-container, .waveform-container,
    .comparison-panel, .audio-display {
        width: 100% !important;
        padding: var(--mobile-padding) !important;
    }

    .visualization-container canvas,
    .waveform-container canvas {
        width: 100% !important;
        height: 120px !important;
        touch-action: none !important;
    }

    /* Dual waveform display - Stack vertically */
    .dual-waveform, .comparison-waveforms {
        flex-direction: column !important;
        gap: var(--mobile-gap) !important;
    }

    .waveform-panel {
        width: 100% !important;
        height: 100px !important;
    }

    /* Score Display */
    .score-container, .score-display {
        padding: var(--mobile-padding) !important;
    }

    .score-value {
        font-size: 2.5em !important;
    }

    .score-label {
        font-size: 0.9em !important;
    }

    /* Gauges - Touch friendly */
    .gauge-container, .accuracy-gauge, .timing-gauge {
        width: 100% !important;
        max-width: 280px !important;
        margin: 10px auto !important;
        touch-action: none !important;
    }

    .gauge-container canvas {
        width: 100% !important;
        height: auto !important;
    }

    /* Buttons - Touch friendly sizes */
    button, .btn, .control-btn, .action-btn,
    .start-btn, .record-btn, .play-btn, .stop-btn {
        min-height: var(--touch-target-min) !important;
        min-width: var(--touch-target-min) !important;
        padding: 12px 20px !important;
        font-size: var(--mobile-font-base) !important;
        touch-action: manipulation !important;
        -webkit-tap-highlight-color: transparent !important;
    }

    /* Large action buttons */
    .primary-btn, .cta-button, .join-btn,
    .start-recording-btn, .analyze-btn {
        width: 100% !important;
        max-width: 300px !important;
        padding: 16px 24px !important;
        font-size: var(--mobile-font-large) !important;
        margin: 10px auto !important;
        display: block !important;
    }

    /* Control buttons row */
    .control-buttons, .button-row, .action-buttons {
        flex-wrap: wrap !important;
        justify-content: center !important;
        gap: var(--mobile-gap) !important;
    }

    /* Level selection - Grid for mobile */
    .level-selector, .level-grid {
        display: grid !important;
        grid-template-columns: repeat(2, 1fr) !important;
        gap: var(--mobile-gap) !important;
        width: 100% !important;
    }

    .level-btn, .level-card {
        padding: 15px !important;
        font-size: 0.9em !important;
    }

    /* Manufacturer/Call selection */
    .manufacturer-section, .call-selection {
        padding: var(--mobile-padding) !important;
    }

    .manufacturer-grid, .call-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: var(--mobile-gap) !important;
    }

    .manufacturer-card, .call-card {
        padding: 10px !important;
    }

    .manufacturer-logo {
        max-width: 60px !important;
        max-height: 40px !important;
    }

    /* Modals - Full screen on mobile */
    .modal, .popup, .dialog {
        width: 100% !important;
        max-width: 100% !important;
        height: auto !important;
        max-height: 90vh !important;
        margin: 0 !important;
        border-radius: 20px 20px 0 0 !important;
        position: fixed !important;
        bottom: 0 !important;
        left: 0 !important;
        right: 0 !important;
        top: auto !important;
        overflow-y: auto !important;
    }

    .modal-content, .popup-content {
        padding: var(--mobile-padding) !important;
        padding-bottom: calc(20px + var(--safe-area-bottom)) !important;
    }

    /* Competition cards */
    .competition-grid {
        grid-template-columns: 1fr !important;
        gap: 15px !important;
    }

    .competition-card {
        padding: 15px !important;
    }

    .prize-display {
        width: 150px !important;
        height: 150px !important;
    }

    /* Leaderboard */
    .leaderboard {
        padding: var(--mobile-padding) !important;
    }

    .leaderboard-entry {
        padding: 8px !important;
        font-size: 0.9em !important;
    }

    /* Filter tabs - Scrollable */
    .filter-tabs {
        overflow-x: auto !important;
        flex-wrap: nowrap !important;
        -webkit-overflow-scrolling: touch !important;
        padding-bottom: 5px !important;
    }

    .filter-tab {
        flex-shrink: 0 !important;
        padding: 8px 16px !important;
        font-size: 0.85em !important;
    }

    /* Stats display */
    .stats-grid, .metrics-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: var(--mobile-gap) !important;
    }

    .stat-card, .metric-card {
        padding: 10px !important;
    }

    .stat-value {
        font-size: 1.5em !important;
    }

    /* XP and Level display */
    .level-xp, .xp-display {
        font-size: 0.8em !important;
        padding: 5px 10px !important;
    }

    /* Microphone permission prompt */
    .mic-permission-prompt {
        padding: 20px !important;
        margin: 10px !important;
    }

    /* Progress bars */
    .progress-bar {
        height: 12px !important;
    }

    /* Typography adjustments */
    h1 {
        font-size: 1.5em !important;
    }

    h2 {
        font-size: 1.3em !important;
    }

    h3 {
        font-size: 1.1em !important;
    }

    p, .text-content {
        font-size: var(--mobile-font-base) !important;
        line-height: 1.5 !important;
    }

    /* Hide non-essential elements on mobile */
    .desktop-only, .hide-mobile {
        display: none !important;
    }

    /* Form elements */
    input, select, textarea {
        font-size: 16px !important; /* Prevents iOS zoom */
        padding: 12px !important;
        min-height: var(--touch-target-min) !important;
    }

    select {
        -webkit-appearance: none !important;
        appearance: none !important;
        background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2300FF00' d='M6 9L1 4h10z'/%3E%3C/svg%3E") !important;
        background-repeat: no-repeat !important;
        background-position: right 12px center !important;
        padding-right: 36px !important;
    }
}

/* ============================================
   LANDSCAPE PHONE (< 768px, landscape)
   ============================================ */
@media screen and (max-width: 767px) and (orientation: landscape) {
    /* Compact header in landscape */
    header {
        padding: 8px var(--mobile-padding) !important;
    }

    .title-bar {
        flex: 0 1 auto !important;
        order: 0 !important;
    }

    .medal-display {
        width: auto !important;
        order: 0 !important;
    }

    /* Hide bottom nav in landscape, use side controls */
    .left-nav {
        display: none !important;
    }

    /* More horizontal space for content */
    main, .main-content, .training-container {
        margin-bottom: 20px !important;
        margin-top: 70px !important;
    }

    /* Side-by-side waveforms in landscape */
    .dual-waveform, .comparison-waveforms {
        flex-direction: row !important;
    }

    .waveform-panel {
        width: 48% !important;
    }

    /* Gauges side by side */
    .gauges-container {
        flex-direction: row !important;
        justify-content: space-around !important;
    }

    .gauge-container {
        max-width: 200px !important;
    }

    /* Level grid - more columns in landscape */
    .level-selector, .level-grid {
        grid-template-columns: repeat(4, 1fr) !important;
    }
}

/* ============================================
   TABLET STYLES (768px - 1024px)
   ============================================ */
@media screen and (min-width: 768px) and (max-width: 1024px) {
    /* Header */
    header {
        padding: 12px 20px !important;
    }

    .tsi-icon {
        width: 40px !important;
        height: 40px !important;
    }

    .title-text {
        font-size: 1.3em !important;
    }

    /* Left nav - Narrower on tablet */
    .left-nav {
        width: 70px !important;
    }

    .left-nav .nav-btn {
        width: 50px !important;
        height: 50px !important;
    }

    /* Main content */
    main, .main-content, .training-container {
        margin-left: 80px !important;
        padding: 20px !important;
    }

    /* ProGuide panel */
    .proguide-panel {
        width: 280px !important;
    }

    /* Grids */
    .competition-grid {
        grid-template-columns: repeat(2, 1fr) !important;
    }

    .level-selector, .level-grid {
        grid-template-columns: repeat(4, 1fr) !important;
    }

    .manufacturer-grid, .call-grid {
        grid-template-columns: repeat(3, 1fr) !important;
    }

    /* Modals */
    .modal, .popup {
        max-width: 600px !important;
        border-radius: 15px !important;
        position: fixed !important;
        top: 50% !important;
        left: 50% !important;
        transform: translate(-50%, -50%) !important;
        bottom: auto !important;
    }
}

/* ============================================
   TABLET LANDSCAPE (1024px - 1280px)
   ============================================ */
@media screen and (min-width: 1024px) and (max-width: 1280px) {
    .left-nav {
        width: 80px !important;
    }

    main, .main-content, .training-container {
        margin-left: 90px !important;
    }

    .competition-grid {
        grid-template-columns: repeat(3, 1fr) !important;
    }
}

/* ============================================
   TOUCH DEVICE OPTIMIZATIONS
   ============================================ */
@media (hover: none) and (pointer: coarse) {
    /* Remove hover effects that don't work on touch */
    button:hover, .btn:hover, .nav-btn:hover {
        transform: none !important;
    }

    /* Add active states for touch feedback */
    button:active, .btn:active, .nav-btn:active {
        transform: scale(0.95) !important;
        opacity: 0.9 !important;
    }

    /* Larger touch targets */
    a, button, input, select, textarea,
    .clickable, [onclick], [role="button"] {
        min-height: var(--touch-target-min);
        min-width: var(--touch-target-min);
    }

    /* Prevent text selection on interactive elements */
    button, .btn, .nav-btn, .level-btn, .card {
        -webkit-user-select: none !important;
        user-select: none !important;
    }

    /* Smooth scrolling */
    .scrollable, .scroll-container {
        -webkit-overflow-scrolling: touch !important;
        scroll-behavior: smooth !important;
    }

    /* Canvas touch handling */
    canvas {
        touch-action: none !important;
    }
}

/* ============================================
   HIGH DPI / RETINA DISPLAYS
   ============================================ */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    /* Sharper borders */
    .medal, .gauge-container, button {
        border-width: 0.5px !important;
    }

    /* Better shadow rendering */
    .card, .panel {
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15) !important;
    }
}

/* ============================================
   DARK MODE SUPPORT
   ============================================ */
@media (prefers-color-scheme: dark) {
    /* Already dark theme, but ensure consistency */
    :root {
        color-scheme: dark;
    }
}

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

    .medal.earned {
        animation: none !important;
    }

    .prize-turntable {
        animation: none !important;
    }
}

/* ============================================
   PRINT STYLES (for sharing results)
   ============================================ */
@media print {
    header, .left-nav, .top-menus, button,
    .control-buttons, .modal {
        display: none !important;
    }

    main, .main-content {
        margin: 0 !important;
        padding: 20px !important;
    }

    .score-container, .stats-grid {
        break-inside: avoid !important;
    }
}

/* ============================================
   HAMBURGER MENU COMPONENT
   ============================================ */
.hamburger-menu {
    display: none;
    position: fixed;
    top: 15px;
    right: 15px;
    z-index: 1100;
    width: var(--touch-target-comfortable);
    height: var(--touch-target-comfortable);
    background: rgba(0, 0, 0, 0.9);
    border: 2px solid #FF6600;
    border-radius: 10px;
    cursor: pointer;
    padding: 10px;
    flex-direction: column;
    justify-content: space-around;
    align-items: center;
    box-shadow: 0 4px 15px rgba(255, 102, 0, 0.4);
    transition: all 0.3s ease;
}

.hamburger-menu:active {
    transform: scale(0.95);
}

.hamburger-line {
    width: 24px;
    height: 3px;
    background: #FF6600;
    border-radius: 2px;
    transition: all 0.3s ease;
}

.hamburger-menu.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.hamburger-menu.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.hamburger-menu.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* Mobile Slide-out Navigation */
.mobile-nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 1050;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

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

.mobile-nav-drawer {
    position: fixed;
    top: 0;
    right: -280px;
    width: 280px;
    height: 100%;
    background: linear-gradient(180deg, #1a1a1a 0%, #0a0a0a 100%);
    z-index: 1060;
    padding: 80px 20px 30px;
    overflow-y: auto;
    transition: right 0.3s ease;
    border-left: 3px solid #FF6600;
    box-shadow: -5px 0 30px rgba(0, 0, 0, 0.5);
}

.mobile-nav-drawer.active {
    right: 0;
}

.mobile-nav-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    margin-bottom: 10px;
    background: rgba(255, 102, 0, 0.1);
    border: 2px solid rgba(255, 102, 0, 0.3);
    border-radius: 12px;
    color: white;
    text-decoration: none;
    font-weight: 600;
    font-size: 1em;
    transition: all 0.3s ease;
}

.mobile-nav-item:active {
    transform: scale(0.98);
    background: rgba(255, 102, 0, 0.3);
    border-color: #FF6600;
}

.mobile-nav-item .nav-icon {
    width: 28px;
    height: 28px;
    font-size: 1.4em;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mobile-nav-section {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 102, 0, 0.3);
}

.mobile-nav-section-title {
    color: #FF6600;
    font-size: 0.8em;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 15px;
    padding-left: 15px;
}

@media screen and (max-width: 767px) {
    .hamburger-menu {
        display: flex;
    }

    /* Hide desktop top-menus on mobile when hamburger is present */
    .top-menus {
        display: none !important;
    }
}

/* ============================================
   MOBILE AUDIO PLAYER ENHANCEMENTS
   ============================================ */
@media screen and (max-width: 767px) {
    .audio-controls, .playback-controls {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 10px;
        padding: 15px !important;
    }

    .audio-btn, .control-btn, .playback-btn {
        min-width: 60px !important;
        min-height: 60px !important;
        border-radius: 50% !important;
        font-size: 1.5em !important;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .record-btn, .mic-btn {
        width: 80px !important;
        height: 80px !important;
        font-size: 2em !important;
        background: linear-gradient(135deg, #FF0000, #CC0000) !important;
        border: 3px solid #FF6600 !important;
        box-shadow: 0 0 30px rgba(255, 0, 0, 0.5) !important;
    }

    .record-btn.recording, .mic-btn.recording {
        animation: recording-pulse 1s ease-in-out infinite !important;
    }

    @keyframes recording-pulse {
        0%, 100% { box-shadow: 0 0 30px rgba(255, 0, 0, 0.5); }
        50% { box-shadow: 0 0 50px rgba(255, 0, 0, 0.8); }
    }

    /* Audio waveform touch optimization */
    .waveform, .waveform-display, #waveformCanvas {
        touch-action: pan-x !important;
        cursor: grab;
    }

    .waveform:active, .waveform-display:active {
        cursor: grabbing;
    }

    /* Volume slider touch-friendly */
    input[type="range"] {
        -webkit-appearance: none;
        width: 100%;
        height: 44px;
        background: transparent;
    }

    input[type="range"]::-webkit-slider-thumb {
        -webkit-appearance: none;
        width: 44px;
        height: 44px;
        border-radius: 50%;
        background: #FF6600;
        cursor: pointer;
        border: 3px solid #00FF00;
        box-shadow: 0 0 10px rgba(255, 102, 0, 0.5);
    }

    input[type="range"]::-webkit-slider-runnable-track {
        height: 8px;
        background: rgba(255, 255, 255, 0.2);
        border-radius: 4px;
    }
}

/* ============================================
   LEADERBOARD TABLE MOBILE OPTIMIZATION
   ============================================ */
@media screen and (max-width: 767px) {
    .leaderboard-table, .competition-table {
        display: block;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        white-space: nowrap;
    }

    .leaderboard-table th, .leaderboard-table td,
    .competition-table th, .competition-table td {
        padding: 12px 10px !important;
        font-size: 0.85em !important;
    }

    /* Card-based leaderboard for mobile */
    .leaderboard-card-view {
        display: flex;
        flex-direction: column;
        gap: 10px;
    }

    .leaderboard-card {
        display: flex;
        align-items: center;
        gap: 15px;
        padding: 15px;
        background: rgba(0, 0, 0, 0.6);
        border-radius: 12px;
        border: 2px solid rgba(255, 102, 0, 0.3);
    }

    .leaderboard-rank {
        font-size: 1.5em;
        font-weight: 900;
        min-width: 40px;
        text-align: center;
    }

    .leaderboard-rank.gold { color: #FFD700; }
    .leaderboard-rank.silver { color: #C0C0C0; }
    .leaderboard-rank.bronze { color: #CD7F32; }

    .leaderboard-avatar {
        width: 50px;
        height: 50px;
        border-radius: 50%;
        border: 2px solid #FF6600;
    }

    .leaderboard-info {
        flex: 1;
    }

    .leaderboard-name {
        font-weight: 700;
        color: white;
    }

    .leaderboard-score {
        color: #00FF00;
        font-size: 0.9em;
    }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.mobile-only {
    display: none !important;
}

@media screen and (max-width: 767px) {
    .mobile-only {
        display: block !important;
    }

    .desktop-only {
        display: none !important;
    }
}

.touch-scroll {
    -webkit-overflow-scrolling: touch !important;
    overflow-y: auto !important;
}

.no-select {
    -webkit-user-select: none !important;
    user-select: none !important;
}

.tap-highlight-none {
    -webkit-tap-highlight-color: transparent !important;
}

/* Lazy loading placeholder */
.lazy-placeholder {
    background: linear-gradient(90deg, #1a1a1a 25%, #2a2a2a 50%, #1a1a1a 75%);
    background-size: 200% 100%;
    animation: lazy-shimmer 1.5s infinite;
}

@keyframes lazy-shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

img.lazy {
    opacity: 0;
    transition: opacity 0.3s ease;
}

img.lazy.loaded {
    opacity: 1;
}

/* Skip to content link for accessibility */
.skip-to-content {
    position: absolute;
    top: -100px;
    left: 50%;
    transform: translateX(-50%);
    background: #FF6600;
    color: black;
    padding: 12px 24px;
    border-radius: 0 0 10px 10px;
    font-weight: bold;
    z-index: 9999;
    transition: top 0.3s ease;
}

.skip-to-content:focus {
    top: 0;
}