/* ===========================================
   CarVibe - Generative Driving Music
   Styles & Visualizer
   =========================================== */

/* CSS Variables */
:root {
    --color-bg: #0a0a0f;
    --color-bg-secondary: #12121a;
    --color-primary: #00f0ff;
    --color-secondary: #ff00aa;
    --color-accent: #ffcc00;
    --color-success: #00ff88;
    --color-danger: #ff3366;
    --color-text: #ffffff;
    --color-text-dim: rgba(255, 255, 255, 0.5);
    --color-text-dimmer: rgba(255, 255, 255, 0.3);
    
    --font-display: 'Orbitron', sans-serif;
    --font-body: 'Rajdhani', sans-serif;
    
    --glow-primary: 0 0 20px rgba(0, 240, 255, 0.5);
    --glow-secondary: 0 0 20px rgba(255, 0, 170, 0.5);
    --glow-accent: 0 0 20px rgba(255, 204, 0, 0.5);
    
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    --blur-amount: 10px;
    --border-radius: 8px;
}

/* Reset & Base */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    width: 100%;
    height: 100%;
    overflow: hidden;
    background: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-body);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    touch-action: none;
    user-select: none;
    -webkit-user-select: none;
}

/* Prevent pull-to-refresh on mobile */
body {
    overscroll-behavior: none;
}

/* Hidden utility */
.hidden {
    display: none !important;
}

/* ===========================================
   SPLASH SCREEN
   =========================================== */
.splash-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    background: var(--color-bg);
}

.splash-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(ellipse at 20% 80%, rgba(0, 240, 255, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(255, 0, 170, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, rgba(255, 204, 0, 0.05) 0%, transparent 70%);
    animation: bgPulse 8s ease-in-out infinite;
}

@keyframes bgPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.splash-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 2rem;
}

.logo-container {
    margin-bottom: 3rem;
}

.car-icon {
    width: 150px;
    height: 100px;
    color: var(--color-primary);
    margin-bottom: 1rem;
}

.car-body {
    fill: rgba(0, 240, 255, 0.1);
    animation: carGlow 2s ease-in-out infinite;
}

@keyframes carGlow {
    0%, 100% { 
        fill: rgba(0, 240, 255, 0.1);
        filter: drop-shadow(0 0 5px rgba(0, 240, 255, 0.3));
    }
    50% { 
        fill: rgba(0, 240, 255, 0.2);
        filter: drop-shadow(0 0 15px rgba(0, 240, 255, 0.6));
    }
}

.wheel {
    fill: var(--color-bg);
    animation: wheelSpin 1s linear infinite;
    transform-origin: center;
}

.wheel-left {
    animation-delay: 0s;
}

.wheel-right {
    animation-delay: 0.1s;
}

@keyframes wheelSpin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.sound-wave {
    opacity: 0;
    animation: waveFloat 2s ease-out infinite;
}

.sw1 { animation-delay: 0s; }
.sw2 { animation-delay: 0.3s; }
.sw3 { animation-delay: 0.6s; }

@keyframes waveFloat {
    0% {
        opacity: 0;
        transform: translateY(0);
    }
    30% {
        opacity: 1;
    }
    100% {
        opacity: 0;
        transform: translateY(-20px);
    }
}

.logo-text {
    font-family: var(--font-display);
    font-size: 3.5rem;
    font-weight: 900;
    letter-spacing: 0.2em;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 40px rgba(0, 240, 255, 0.3);
    animation: logoGlow 3s ease-in-out infinite;
}

@keyframes logoGlow {
    0%, 100% { filter: brightness(1); }
    50% { filter: brightness(1.2); }
}

.tagline {
    font-family: var(--font-body);
    font-size: 1.2rem;
    font-weight: 300;
    letter-spacing: 0.3em;
    color: var(--color-text-dim);
    text-transform: uppercase;
    margin-top: 0.5rem;
}

.start-button {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    padding: 1.2rem 3rem;
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    color: var(--color-bg);
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    border: none;
    border-radius: 50px;
    cursor: pointer;
    overflow: hidden;
    transition: all var(--transition-normal);
    box-shadow: var(--glow-primary);
}

.start-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.5s ease;
}

.start-button:hover::before {
    left: 100%;
}

.start-button:hover {
    transform: scale(1.05);
    box-shadow: 0 0 40px rgba(0, 240, 255, 0.7);
}

.start-button:active {
    transform: scale(0.98);
}

.button-icon {
    font-size: 1.5rem;
}

.permissions-notice {
    margin-top: 2rem;
    color: var(--color-text-dimmer);
    font-size: 0.9rem;
}

/* ===========================================
   MAIN APPLICATION
   =========================================== */
.app {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--color-bg);
}

/* Visualizer Canvas */
#visualizer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

/* ===========================================
   HUD OVERLAY
   =========================================== */
.hud {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10;
    pointer-events: none;
    padding: env(safe-area-inset-top, 20px) env(safe-area-inset-right, 20px) env(safe-area-inset-bottom, 20px) env(safe-area-inset-left, 20px);
}

.hud > * {
    pointer-events: auto;
}

/* Speed Display */
.speed-display {
    position: absolute;
    bottom: 30px;
    left: 30px;
    text-align: center;
}

.speed-value {
    font-family: var(--font-display);
    font-size: 5rem;
    font-weight: 900;
    line-height: 1;
    color: var(--color-primary);
    text-shadow: var(--glow-primary);
    transition: color var(--transition-fast);
}

.speed-value.high {
    color: var(--color-accent);
    text-shadow: var(--glow-accent);
}

.speed-value.extreme {
    color: var(--color-danger);
    text-shadow: 0 0 20px rgba(255, 51, 102, 0.5);
    animation: speedPulse 0.5s ease-in-out infinite;
}

@keyframes speedPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.speed-unit {
    font-family: var(--font-body);
    font-size: 1.2rem;
    font-weight: 300;
    color: var(--color-text-dim);
    letter-spacing: 0.1em;
}

.speed-bar {
    width: 150px;
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    margin-top: 10px;
    overflow: hidden;
}

.speed-bar-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    border-radius: 2px;
    transition: width var(--transition-fast);
}

/* BPM Display */
.bpm-display {
    position: absolute;
    bottom: 30px;
    right: 30px;
    text-align: center;
}

.bpm-label {
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 300;
    color: var(--color-text-dim);
    letter-spacing: 0.2em;
}

.bpm-value {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-secondary);
    text-shadow: var(--glow-secondary);
}

.bpm-indicator {
    display: flex;
    justify-content: center;
    margin-top: 5px;
}

.bpm-dot {
    width: 12px;
    height: 12px;
    background: var(--color-secondary);
    border-radius: 50%;
    box-shadow: var(--glow-secondary);
    animation: bpmPulse 0.5s ease-in-out infinite;
}

@keyframes bpmPulse {
    0%, 100% { 
        transform: scale(1);
        opacity: 1;
    }
    50% { 
        transform: scale(1.3);
        opacity: 0.7;
    }
}

/* Genre Display */
.genre-display {
    position: absolute;
    top: 30px;
    left: 30px;
}

.genre-label {
    font-family: var(--font-body);
    font-size: 0.8rem;
    font-weight: 300;
    color: var(--color-text-dimmer);
    letter-spacing: 0.2em;
}

.genre-value {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-accent);
    text-shadow: var(--glow-accent);
    letter-spacing: 0.1em;
}

/* Location Display */
.location-display {
    position: absolute;
    top: 30px;
    right: 30px;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 15px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius);
    backdrop-filter: blur(var(--blur-amount));
}

.location-icon {
    font-size: 1.5rem;
}

.location-value {
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-dim);
    letter-spacing: 0.1em;
}

/* Sensor Indicators */
.sensor-indicators {
    position: absolute;
    top: 50%;
    right: 30px;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.sensor-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--border-radius);
    backdrop-filter: blur(var(--blur-amount));
}

.sensor-icon {
    font-size: 1rem;
}

.sensor-label {
    font-family: var(--font-body);
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--color-text-dimmer);
    letter-spacing: 0.1em;
    width: 40px;
}

.sensor-bar {
    width: 50px;
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    overflow: hidden;
}

.sensor-bar-fill {
    height: 100%;
    width: 50%;
    background: var(--color-primary);
    border-radius: 2px;
    transition: width var(--transition-fast), background var(--transition-fast);
}

.sensor-bar-fill.active {
    background: var(--color-success);
}

.sensor-bar-fill.high {
    background: var(--color-accent);
}

.sensor-bar-fill.extreme {
    background: var(--color-danger);
}

/* Pattern Display */
.pattern-display {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    max-width: 95%;
    overflow-x: auto;
    padding: 10px;
}

.pattern-grid {
    display: flex;
    flex-direction: column;
    gap: 2px;
    margin-bottom: 8px;
    min-width: fit-content;
}

.pattern-track-labels {
    display: flex;
    gap: 2px;
    margin-bottom: 4px;
    padding-left: 30px; /* Space for step numbers */
}

.pattern-track-label {
    width: 20px;
    height: 16px;
    font-family: var(--font-body);
    font-size: 0.55rem;
    color: var(--color-text-dim);
    text-align: center;
    line-height: 16px;
    opacity: 0.6;
}

.pattern-step-row {
    display: flex;
    gap: 2px;
    align-items: center;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 3px;
    padding: 2px;
    transition: all var(--transition-fast);
    min-width: fit-content;
}

.pattern-step-row.active {
    background: rgba(0, 240, 255, 0.2);
    box-shadow: 0 0 8px rgba(0, 240, 255, 0.4);
}

.pattern-step-number {
    width: 24px;
    height: 20px;
    font-family: var(--font-body);
    font-size: 0.65rem;
    color: var(--color-text-dim);
    text-align: center;
    line-height: 20px;
    font-weight: 500;
    opacity: 0.7;
}

.pattern-step-row.active .pattern-step-number {
    color: var(--color-primary);
    opacity: 1;
    font-weight: 700;
}

.pattern-step-track {
    width: 20px;
    height: 20px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 2px;
    transition: all var(--transition-fast);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.pattern-step-track.on {
    background: var(--color-primary);
    border-color: var(--color-primary);
    box-shadow: 0 0 4px rgba(0, 240, 255, 0.5);
}

.pattern-step-track.kick.on {
    background: var(--color-danger);
    border-color: var(--color-danger);
    box-shadow: 0 0 4px rgba(255, 51, 102, 0.5);
}

.pattern-step-track.snare.on {
    background: var(--color-accent);
    border-color: var(--color-accent);
    box-shadow: 0 0 4px rgba(255, 204, 0, 0.5);
}

.pattern-step-track.hihat.on,
.pattern-step-track.openhat.on {
    background: var(--color-secondary);
    border-color: var(--color-secondary);
}

.pattern-step-track.clap.on,
.pattern-step-track.crash.on {
    background: #ff6b9d;
    border-color: #ff6b9d;
}

.pattern-step-track.perc.on,
.pattern-step-track.shaker.on,
.pattern-step-track.tambourine.on {
    background: #9d6bff;
    border-color: #9d6bff;
}

.pattern-step-track.tom_high.on,
.pattern-step-track.tom_mid.on,
.pattern-step-track.tom_low.on {
    background: #6bff9d;
    border-color: #6bff9d;
}

.pattern-step-track.ride.on {
    background: #ff9d6b;
    border-color: #ff9d6b;
}

.pattern-step-track.snare.on {
    background: var(--color-accent);
}

.pattern-step-track.hihat.on {
    background: var(--color-success);
}

.pattern-label {
    font-family: var(--font-body);
    font-size: 0.7rem;
    font-weight: 300;
    color: var(--color-text-dimmer);
    letter-spacing: 0.2em;
}

/* Controls */
.controls {
    position: absolute;
    top: 50%;
    left: 30px;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.control-btn {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all var(--transition-normal);
    backdrop-filter: blur(var(--blur-amount));
    display: flex;
    align-items: center;
    justify-content: center;
}

.control-btn svg {
    width: 24px;
    height: 24px;
    color: var(--color-text-dim);
    transition: color var(--transition-fast);
}

.control-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--color-primary);
}

.control-btn:hover svg {
    color: var(--color-primary);
}

.control-btn.active {
    background: rgba(0, 240, 255, 0.2);
    border-color: var(--color-primary);
}

.control-btn.active svg {
    color: var(--color-primary);
}

.control-btn.muted svg {
    color: var(--color-danger);
}

/* ===========================================
   SETTINGS PANEL
   =========================================== */
.settings-panel {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 90%;
    max-width: 400px;
    max-height: 80vh;
    background: rgba(18, 18, 26, 0.95);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    z-index: 100;
    overflow: hidden;
    backdrop-filter: blur(20px);
}

.settings-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.settings-header h2 {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: 0.1em;
}

.close-btn {
    width: 32px;
    height: 32px;
    background: rgba(255, 255, 255, 0.05);
    border: none;
    border-radius: 50%;
    color: var(--color-text-dim);
    font-size: 1.2rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.close-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-text);
}

.settings-content {
    padding: 20px;
    overflow-y: auto;
    max-height: calc(80vh - 80px);
}

.setting-group {
    margin-bottom: 20px;
}

.setting-group label {
    display: block;
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-dim);
    margin-bottom: 8px;
}

.setting-group input[type="range"] {
    width: 100%;
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    outline: none;
    -webkit-appearance: none;
    appearance: none;
}

.setting-group input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    background: var(--color-primary);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: var(--glow-primary);
}

.setting-group input[type="range"]::-moz-range-thumb {
    width: 18px;
    height: 18px;
    background: var(--color-primary);
    border-radius: 50%;
    cursor: pointer;
    border: none;
}

.setting-value {
    display: inline-block;
    font-family: var(--font-display);
    font-size: 0.8rem;
    color: var(--color-primary);
    margin-top: 5px;
}

.checkbox-group label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

.checkbox-group input[type="checkbox"] {
    width: 20px;
    height: 20px;
    accent-color: var(--color-primary);
    cursor: pointer;
}

.setting-group select {
    width: 100%;
    padding: 10px 15px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    color: var(--color-text);
    font-family: var(--font-body);
    font-size: 0.9rem;
    outline: none;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.setting-group select:hover {
    border-color: var(--color-primary);
}

.setting-group select:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(0, 240, 255, 0.2);
}

.setting-group select option {
    background: var(--color-bg-secondary);
    color: var(--color-text);
}

.settings-section-divider {
    margin: 30px 0 20px 0;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.settings-section-divider h3 {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: 0.1em;
    margin: 0 0 15px 0;
}

.settings-subsection {
    margin: 15px 0 20px 0;
    padding: 15px;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.settings-subsection h4 {
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text-dim);
    margin: 0 0 15px 0;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.settings-subsection .setting-group {
    margin-bottom: 15px;
}

.settings-subsection .setting-group:last-child {
    margin-bottom: 0;
}

/* ===========================================
   DEBUG PANEL
   =========================================== */
.debug-panel {
    position: absolute;
    top: 100px;
    left: 30px;
    background: rgba(0, 0, 0, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius);
    padding: 15px;
    font-family: monospace;
    font-size: 0.75rem;
    z-index: 200;
    min-width: 180px;
}

.debug-title {
    font-weight: bold;
    color: var(--color-accent);
    margin-bottom: 10px;
    letter-spacing: 0.1em;
}

.debug-item {
    display: flex;
    justify-content: space-between;
    gap: 15px;
    margin-bottom: 5px;
    color: var(--color-text-dim);
}

.debug-item span:last-child {
    color: var(--color-primary);
    font-weight: 500;
}

/* ===========================================
   LOADING OVERLAY
   =========================================== */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 10, 15, 0.95);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.loading-spinner {
    width: 60px;
    height: 60px;
    border: 3px solid rgba(255, 255, 255, 0.1);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.loading-text {
    margin-top: 20px;
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--color-text-dim);
}

.loading-file {
    margin-top: 10px;
    font-family: var(--font-body);
    font-size: 0.85rem;
    color: var(--color-text-dim);
    opacity: 0.7;
    max-width: 300px;
    text-align: center;
    word-break: break-all;
}

.loading-percent {
    margin-top: 10px;
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

.loading-progress {
    width: 300px;
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    margin-top: 15px;
    overflow: hidden;
}

.loading-progress-bar {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    border-radius: 3px;
    transition: width 0.1s ease-out;
}

/* ===========================================
   ERROR MODAL
   =========================================== */
.error-modal {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 600;
}

.error-content {
    background: var(--color-bg-secondary);
    border: 1px solid rgba(255, 51, 102, 0.3);
    border-radius: 16px;
    padding: 30px;
    text-align: center;
    max-width: 90%;
    width: 350px;
}

.error-icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

.error-title {
    font-family: var(--font-display);
    font-size: 1.3rem;
    color: var(--color-danger);
    margin-bottom: 10px;
}

.error-message {
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--color-text-dim);
    margin-bottom: 20px;
    line-height: 1.5;
}

.error-btn {
    padding: 12px 30px;
    background: var(--color-danger);
    border: none;
    border-radius: var(--border-radius);
    color: var(--color-text);
    font-family: var(--font-display);
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.error-btn:hover {
    background: #ff4477;
    transform: scale(1.05);
}

/* ===========================================
   RESPONSIVE DESIGN
   =========================================== */
@media (max-width: 768px) {
    .speed-value {
        font-size: 3.5rem;
    }
    
    .bpm-value {
        font-size: 2rem;
    }
    
    .genre-value {
        font-size: 1.2rem;
    }
    
    .logo-text {
        font-size: 2.5rem;
    }
    
    .tagline {
        font-size: 1rem;
    }
    
    .controls {
        left: 15px;
    }
    
    .control-btn {
        width: 44px;
        height: 44px;
    }
    
    .sensor-indicators {
        right: 15px;
    }
    
    .speed-display {
        left: 15px;
        bottom: 20px;
    }
    
    .bpm-display {
        right: 15px;
        bottom: 20px;
    }
    
    .pattern-step {
        width: 12px;
        height: 24px;
    }
}

@media (max-width: 480px) {
    .sensor-indicators {
        display: none;
    }
    
    .genre-display {
        top: 15px;
        left: 15px;
    }
    
    .location-display {
        top: 15px;
        right: 15px;
        padding: 8px 12px;
    }
    
    .location-icon {
        font-size: 1.2rem;
    }
    
    .location-value {
        font-size: 0.8rem;
    }
    
    .pattern-display {
        bottom: 100px;
    }
}

/* ===========================================
   LANDSCAPE MODE OPTIMIZATIONS
   =========================================== */
@media (orientation: landscape) and (max-height: 500px) {
    .speed-display {
        bottom: 15px;
        left: 80px;
    }
    
    .bpm-display {
        bottom: 15px;
        right: 80px;
    }
    
    .controls {
        top: auto;
        bottom: 15px;
        left: 15px;
        transform: none;
        flex-direction: row;
    }
    
    .sensor-indicators {
        top: 15px;
        right: 15px;
        transform: none;
        flex-direction: row;
    }
    
    .pattern-display {
        top: 15px;
        bottom: auto;
        left: 50%;
        transform: translateX(-50%);
    }
}

/* ===========================================
   ANIMATION UTILITIES
   =========================================== */
.fade-in {
    animation: fadeIn 0.5s ease forwards;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.slide-up {
    animation: slideUp 0.5s ease forwards;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.pulse {
    animation: pulse 1s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* ===========================================
   GLOW EFFECTS
   =========================================== */
.glow-primary {
    box-shadow: var(--glow-primary);
}

.glow-secondary {
    box-shadow: var(--glow-secondary);
}

.glow-accent {
    box-shadow: var(--glow-accent);
}

/* Text glow */
.text-glow-primary {
    text-shadow: var(--glow-primary);
}

.text-glow-secondary {
    text-shadow: var(--glow-secondary);
}

.text-glow-accent {
    text-shadow: var(--glow-accent);
}