/**
 * Frequency Lab Mobile Enhancements
 * Transforms complex audio controls for thumb-friendly interaction
 * 
 * The most sophisticated mobile audio interface ever built
 */

@media (max-width: 768px) {
    
    /* ============================================
       MOBILE HEADER OPTIMIZATION
       ============================================ */
    
    .safety-notice {
        padding: 10px 16px !important;
        font-size: 0.85em !important;
        border-radius: 8px !important;
        margin-bottom: 20px;
    }
    
    .warning-icon {
        font-size: 1.2em;
    }
    
    /* ============================================
       MOBILE MASTER CONTROLS
       ============================================ */
    
    .master-controls {
        flex-direction: column !important;
        gap: 20px !important;
        padding: 20px !important;
        border-radius: 12px !important;
        margin-bottom: 25px;
    }
    
    .control-group {
        width: 100%;
        justify-content: center;
        gap: 12px !important;
    }
    
    .play-button, .stop-button {
        min-height: 56px !important;
        min-width: 120px !important;
        padding: 16px 24px !important;
        font-size: 1.1em !important;
        border-radius: 12px !important;
        font-weight: 600;
    }
    
    .play-button .play-icon,
    .stop-button .stop-icon {
        font-size: 1.3em;
    }
    
    .volume-control {
        width: 100%;
        text-align: center;
    }
    
    .volume-control label {
        display: block;
        margin-bottom: 10px;
        font-size: 1em;
        color: #fff;
        font-weight: 500;
    }
    
    .volume-control input[type="range"] {
        width: 100% !important;
        max-width: 300px;
        height: 12px !important;
        margin: 15px auto !important;
    }
    
    .volume-value {
        font-size: 1.1em !important;
        font-weight: 600;
        color: #4ecdc4;
        margin-top: 8px;
        display: block;
    }
    
    /* ============================================
       MOBILE MODE SELECTOR (CONVERT TO DROPDOWN)
       ============================================ */
    
    .generator-modes {
        margin-bottom: 25px;
    }
    
    .mode-selector {
        background: #111;
        border-radius: 12px;
        border: 1px solid #222;
        overflow: hidden;
        position: relative;
    }
    
    .mode-selector .mode-btn {
        width: 100% !important;
        min-height: 50px !important;
        padding: 15px 20px !important;
        font-size: 1em !important;
        border-radius: 0 !important;
        border: none !important;
        text-align: left !important;
        background: transparent !important;
        color: #ccc !important;
        border-bottom: 1px solid #222;
        transition: all 0.3s ease;
    }
    
    .mode-selector .mode-btn:last-child {
        border-bottom: none;
    }
    
    .mode-selector .mode-btn.active {
        background: #222 !important;
        color: #4ecdc4 !important;
        font-weight: 600;
        position: relative;
    }
    
    .mode-selector .mode-btn.active::after {
        content: "▼";
        position: absolute;
        right: 20px;
        top: 50%;
        transform: translateY(-50%);
        font-size: 0.9em;
        opacity: 0.7;
    }
    
    .mode-selector.mobile-open .mode-btn.active::after {
        content: "▲";
    }
    
    /* ============================================
       MOBILE GENERATOR MODES
       ============================================ */
    
    .generator-mode {
        background: #0a0a0a !important;
        border-radius: 12px !important;
        padding: 20px !important;
        border: 1px solid #222 !important;
        margin-bottom: 25px;
        overflow: hidden;
        width: 100%;
        box-sizing: border-box;
    }
    
    .controls-grid {
        grid-template-columns: 1fr !important;
        gap: 20px !important;
        width: 100%;
        box-sizing: border-box;
    }
    
    /* ============================================
       MOBILE CONTROL SECTIONS
       ============================================ */
    
    .frequency-control,
    .waveform-control,
    .volume-control-section,
    .preset-control {
        background: #111;
        padding: 18px;
        border-radius: 10px;
        border: 1px solid #222;
        margin-bottom: 15px;
        overflow: hidden;
        width: 100%;
        box-sizing: border-box;
    }
    
    .frequency-control label,
    .waveform-control label {
        display: block;
        font-size: 1em;
        color: #fff;
        font-weight: 500;
        margin-bottom: 12px;
    }
    
    /* ============================================
       MOBILE RANGE SLIDERS (ULTIMATE TOUCH OPTIMIZATION)
       ============================================ */
    
    .frequency-control input[type="range"] {
        width: 100% !important;
        height: 14px !important;
        margin: 20px 0 15px 0 !important;
        background: #333 !important;
        border-radius: 7px !important;
        outline: none;
        -webkit-appearance: none;
    }
    
    .frequency-control input[type="range"]::-webkit-slider-track {
        width: 100%;
        height: 14px;
        background: #333;
        border-radius: 7px;
    }
    
    .frequency-control input[type="range"]::-webkit-slider-thumb {
        -webkit-appearance: none;
        width: 36px !important;
        height: 36px !important;
        border-radius: 50% !important;
        background: linear-gradient(135deg, #4ecdc4 0%, #44b3a8 100%) !important;
        border: 4px solid #fff !important;
        box-shadow: 0 3px 12px rgba(0,0,0,0.4), 0 1px 4px rgba(78, 205, 196, 0.5) !important;
        cursor: pointer !important;
        transition: all 0.2s ease;
    }
    
    .frequency-control input[type="range"]::-webkit-slider-thumb:active {
        transform: scale(1.15);
        box-shadow: 0 4px 16px rgba(0,0,0,0.5), 0 2px 8px rgba(78, 205, 196, 0.7) !important;
    }
    
    .frequency-control input[type="range"]::-moz-range-track {
        width: 100%;
        height: 14px;
        background: #333;
        border-radius: 7px;
        border: none;
    }
    
    .frequency-control input[type="range"]::-moz-range-thumb {
        width: 36px;
        height: 36px;
        border-radius: 50%;
        background: linear-gradient(135deg, #4ecdc4 0%, #44b3a8 100%);
        border: 4px solid #fff;
        box-shadow: 0 3px 12px rgba(0,0,0,0.4);
        cursor: pointer;
    }
    
    /* ============================================
       MOBILE NUMBER INPUTS
       ============================================ */
    
    .frequency-control input[type="number"] {
        width: 100% !important;
        min-height: 48px !important;
        padding: 12px 16px !important;
        font-size: 18px !important; /* Prevent iOS zoom */
        border: 2px solid #333 !important;
        border-radius: 10px !important;
        background: #222 !important;
        color: #fff !important;
        text-align: center;
        font-weight: 600;
        font-family: 'JetBrains Mono', monospace;
    }
    
    .frequency-control input[type="number"]:focus {
        border-color: #4ecdc4 !important;
        outline: none;
        box-shadow: 0 0 0 3px rgba(78, 205, 196, 0.2);
    }
    
    /* ============================================
       MOBILE SELECT DROPDOWNS
       ============================================ */
    
    .waveform-control select {
        width: 100% !important;
        min-height: 48px !important;
        padding: 12px 16px !important;
        font-size: 16px !important;
        border: 2px solid #333 !important;
        border-radius: 10px !important;
        background: #222 !important;
        color: #fff !important;
        appearance: none;
        background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%23fff' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
        background-position: right 12px center;
        background-repeat: no-repeat;
        background-size: 16px;
        padding-right: 40px;
    }
    
    .waveform-control select:focus {
        border-color: #4ecdc4 !important;
        outline: none;
        box-shadow: 0 0 0 3px rgba(78, 205, 196, 0.2);
    }
    
    /* ============================================
       MOBILE PRESET BUTTONS
       ============================================ */
    
    .frequency-presets,
    .base-frequency-presets,
    .carrier-frequency-presets {
        display: flex !important;
        flex-wrap: wrap !important;
        gap: 8px !important;
        margin-top: 15px;
    }
    
    .preset-btn {
        min-height: 36px !important;
        padding: 8px 12px !important;
        font-size: 0.85em !important;
        border-radius: 6px !important;
        background: #333 !important;
        color: #ccc !important;
        border: 1px solid #444 !important;
        cursor: pointer;
        transition: all 0.3s ease;
        flex: 1;
        min-width: 80px;
        max-width: 120px;
    }
    
    .preset-btn:hover,
    .preset-btn:active {
        background: #4ecdc4 !important;
        color: #000 !important;
        border-color: #4ecdc4 !important;
        transform: scale(0.98);
    }
    
    /* ============================================
       MOBILE BRAINWAVE INDICATORS
       ============================================ */
    
    .brainwave-indicator {
        background: rgba(78, 205, 196, 0.1) !important;
        border: 1px solid #4ecdc4 !important;
        color: #4ecdc4 !important;
        padding: 12px 16px !important;
        border-radius: 8px !important;
        font-size: 0.9em !important;
        text-align: center;
        margin-top: 15px;
        font-weight: 500;
    }
    
    /* ============================================
       MOBILE VISUALIZATION SCOPE
       ============================================ */
    
    .visual-scope {
        margin-top: 25px;
        background: #0a0a0a !important;
        border-radius: 12px !important;
        padding: 15px !important;
        border: 1px solid #222 !important;
    }
    
    .scope-canvas {
        width: 100% !important;
        height: 150px !important;
        border-radius: 8px !important;
        background: #000;
    }
    
    .scope-controls {
        margin-top: 15px;
        display: flex;
        gap: 10px;
        flex-wrap: wrap;
    }
    
    .scope-controls button {
        flex: 1;
        min-height: 40px !important;
        font-size: 0.9em !important;
        border-radius: 6px !important;
        background: #222 !important;
        color: #ccc !important;
        border: 1px solid #333 !important;
        min-width: 80px;
    }
    
    .scope-controls button.active {
        background: #4ecdc4 !important;
        color: #000 !important;
        border-color: #4ecdc4 !important;
    }
    
    /* ============================================
       MOBILE EXPORT CONTROLS
       ============================================ */
    
    .export-controls {
        background: #0a0a0a !important;
        border-radius: 12px !important;
        padding: 20px !important;
        border: 1px solid #222 !important;
        margin-top: 25px;
    }
    
    .export-controls h3 {
        color: #fff !important;
        margin-bottom: 15px !important;
        font-size: 1.1em;
    }
    
    .export-format-buttons {
        display: grid !important;
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 10px !important;
        margin-bottom: 20px;
    }
    
    .format-btn {
        min-height: 44px !important;
        font-size: 0.9em !important;
        border-radius: 8px !important;
        background: #222 !important;
        color: #ccc !important;
        border: 1px solid #333 !important;
        cursor: pointer;
        transition: all 0.3s ease;
    }
    
    .format-btn.active {
        background: #4ecdc4 !important;
        color: #000 !important;
        border-color: #4ecdc4 !important;
    }
    
    .download-buttons {
        display: flex;
        flex-direction: column;
        gap: 10px;
    }
    
    .download-btn {
        width: 100% !important;
        min-height: 50px !important;
        font-size: 1em !important;
        font-weight: 600 !important;
        border-radius: 10px !important;
        border: none !important;
        cursor: pointer;
        transition: all 0.3s ease;
    }
    
    .download-recording {
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
        color: #fff !important;
    }
    
    .download-config {
        background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%) !important;
        color: #fff !important;
    }
    
    .download-btn:hover {
        transform: translateY(-1px);
        box-shadow: 0 4px 15px rgba(0,0,0,0.3);
    }
    
    /* ============================================
       MOBILE SACRED FREQUENCIES GRID
       ============================================ */
    
    .sacred-frequencies-grid {
        grid-template-columns: 1fr !important;
        gap: 12px !important;
        margin-top: 20px;
    }
    
    .sacred-frequency-card {
        padding: 16px !important;
        border-radius: 10px !important;
        background: #111 !important;
        border: 1px solid #222 !important;
        cursor: pointer;
        transition: all 0.3s ease;
    }
    
    .sacred-frequency-card:hover,
    .sacred-frequency-card.active {
        background: rgba(78, 205, 196, 0.1) !important;
        border-color: #4ecdc4 !important;
    }
    
    .sacred-frequency-card .frequency {
        font-size: 1.2em !important;
        font-weight: 600;
        color: #4ecdc4;
        margin-bottom: 4px;
    }
    
    .sacred-frequency-card .name {
        font-size: 1em !important;
        color: #fff;
        margin-bottom: 6px;
    }
    
    .sacred-frequency-card .description {
        font-size: 0.85em !important;
        color: #888;
        line-height: 1.4;
    }
    
    /* ============================================
       MOBILE PERFORMANCE OPTIMIZATIONS
       ============================================ */
    
    /* Reduce visual complexity on mobile */
    .frequency-interface {
        gap: 20px !important;
    }
    
    /* Optimize gradients for mobile performance */
    .play-button,
    .stop-button {
        background-attachment: local !important;
    }
    
    /* Improve scroll performance */
    .generator-mode {
        -webkit-overflow-scrolling: touch;
    }
    
    /* ============================================
       MOBILE ACCESSIBILITY ENHANCEMENTS
       ============================================ */
    
    /* Larger tap targets for complex controls */
    .mode-btn,
    .preset-btn,
    .format-btn {
        min-height: 44px !important;
        touch-action: manipulation;
    }
    
    /* Better focus indicators */
    input[type="range"]:focus,
    input[type="number"]:focus,
    select:focus,
    button:focus {
        box-shadow: 0 0 0 3px rgba(78, 205, 196, 0.5) !important;
    }
    
    /* Improved text contrast for mobile screens */
    .brainwave-indicator,
    .sacred-frequency-card .frequency {
        color: #5ef0e6 !important; /* Brighter teal for mobile visibility */
    }
}