/* ==========================================================================
   PRISMATIC OPTICS - STYLE SYSTEM
   Theme: Obsidian Crystal & Prismatic Refraction
   ========================================================================== */

:root {
    --bg-dark: #07080e;
    --bg-card: rgba(16, 20, 35, 0.75);
    --border-glass: rgba(255, 255, 255, 0.12);
    
    --color-cyan: #00f3ff;
    --color-magenta: #ff00a0;
    --color-yellow: #ffd700;
    --color-green: #00ff88;
    --color-red: #ff3366;
    --color-purple: #9d4edd;
    
    --glow-cyan: 0 0 20px rgba(0, 243, 255, 0.6);
    --glow-magenta: 0 0 20px rgba(255, 0, 160, 0.6);
    --glow-yellow: 0 0 20px rgba(255, 215, 0, 0.6);

    --font-heading: 'Orbitron', 'Outfit', sans-serif;
    --font-body: 'Outfit', 'Noto Sans SC', sans-serif;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    user-select: none;
    -webkit-user-select: none;
    -webkit-touch-callout: none;
}

html, body {
    width: 100%;
    height: 100%;
    overflow: hidden;
    background-color: var(--bg-dark);
    font-family: var(--font-body);
    color: #ffffff;
}

/* Background Effects */
.crystal-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 20%, rgba(0, 243, 255, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 80% 80%, rgba(255, 0, 160, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 50% 50%, rgba(157, 78, 221, 0.05) 0%, transparent 60%),
        linear-gradient(180deg, #06070c 0%, #0c0f1a 100%);
    z-index: 0;
}

/* App Container */
.app-container {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    width: 100vw;
    height: 100vh;
    height: 100dvh;
    padding: 12px 16px;
    max-width: 1200px;
    margin: 0 auto;
}

/* Header Section */
.game-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 16px;
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-glass);
    border-radius: 16px;
    margin-bottom: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.back-link {
    display: flex;
    align-items: center;
    gap: 6px;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    padding: 6px 12px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.2s ease;
}

.back-link:hover {
    color: #fff;
    background: rgba(0, 243, 255, 0.15);
    border-color: var(--color-cyan);
    box-shadow: var(--glow-cyan);
}

.game-title-group {
    text-align: center;
}

.game-title {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 900;
    letter-spacing: 2px;
    margin: 0;
}

.spectrum-text {
    background: linear-gradient(135deg, var(--color-cyan), var(--color-magenta), var(--color-yellow));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.game-subtitle {
    font-size: 0.72rem;
    color: rgba(255, 255, 255, 0.6);
    letter-spacing: 1px;
}

.header-controls {
    display: flex;
    gap: 8px;
}

.icon-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #fff;
    cursor: pointer;
    transition: all 0.2s ease;
}

.icon-btn:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
    transform: scale(1.05);
}

/* Dashboard Panel */
.dashboard-panel {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-bottom: 12px;
}

.stat-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 10px;
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-glass);
    border-radius: 14px;
    position: relative;
    overflow: hidden;
}

.stat-label {
    font-size: 0.72rem;
    color: rgba(255, 255, 255, 0.55);
    letter-spacing: 1px;
    margin-bottom: 4px;
}

.stat-value {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 700;
    color: #ffffff;
}

.spectrum-num {
    background: linear-gradient(90deg, #00f3ff, #00ff88);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Combo Badge */
.combo-badge {
    padding: 2px 10px;
    border-radius: 20px;
    background: linear-gradient(135deg, rgba(255, 0, 160, 0.3), rgba(157, 78, 221, 0.3));
    border: 1px solid var(--color-magenta);
    box-shadow: 0 0 10px rgba(255, 0, 160, 0.4);
    transition: transform 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.combo-badge.pop {
    transform: scale(1.25);
}

#combo-val {
    font-family: var(--font-heading);
    font-weight: 900;
    font-size: 1.1rem;
    color: #ff00a0;
    text-shadow: 0 0 8px rgba(255, 0, 160, 0.8);
}

/* Energy Bar */
.energy-box {
    align-items: stretch;
    justify-content: space-between;
}

.stat-label-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 6px;
}

.stat-subval {
    font-family: var(--font-heading);
    font-size: 0.75rem;
    color: var(--color-yellow);
}

.energy-bar-track {
    width: 100%;
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    overflow: hidden;
}

.energy-bar-fill {
    width: 0%;
    height: 100%;
    background: linear-gradient(90deg, var(--color-yellow), var(--color-magenta), var(--color-cyan));
    border-radius: 4px;
    transition: width 0.2s ease-out;
    box-shadow: 0 0 12px var(--color-yellow);
}

.energy-bar-fill.full {
    animation: energyGlow 0.8s infinite alternate;
}

@keyframes energyGlow {
    0% { filter: brightness(1); box-shadow: 0 0 8px var(--color-yellow); }
    100% { filter: brightness(1.6); box-shadow: 0 0 18px var(--color-cyan); }
}

/* Canvas Container */
.canvas-wrapper {
    position: relative;
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(8, 10, 18, 0.85);
    border: 1px solid var(--border-glass);
    border-radius: 20px;
    box-shadow: inset 0 0 30px rgba(0, 0, 0, 0.8), 0 12px 40px rgba(0, 0, 0, 0.6);
    overflow: hidden;
}

#game-canvas {
    display: block;
    max-width: 100%;
    max-height: 100%;
    touch-action: none;
}

/* Status Banner */
.status-banner {
    position: absolute;
    top: 16px;
    left: 50%;
    transform: translateX(-50%) translateY(-50px);
    background: linear-gradient(135deg, rgba(0, 243, 255, 0.25), rgba(255, 0, 160, 0.25));
    backdrop-filter: blur(10px);
    border: 1px solid var(--color-cyan);
    padding: 8px 20px;
    border-radius: 30px;
    box-shadow: var(--glow-cyan);
    color: #fff;
    font-weight: 600;
    font-size: 0.85rem;
    pointer-events: none;
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    z-index: 10;
}

.status-banner.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* Overlay & Modals */
.overlay {
    position: absolute;
    inset: 0;
    background: rgba(4, 6, 12, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 20;
    padding: 20px;
}

.glass-panel {
    background: linear-gradient(145deg, rgba(20, 25, 45, 0.9), rgba(10, 14, 28, 0.95));
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 24px;
    padding: 30px;
    max-width: 480px;
    width: 100%;
    text-align: center;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.7), inset 0 0 20px rgba(0, 243, 255, 0.05);
}

.prism-logo {
    display: flex;
    justify-content: center;
    margin-bottom: 12px;
}

.prism-icon {
    width: 50px;
    height: 50px;
    clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
    background: linear-gradient(135deg, var(--color-cyan), var(--color-magenta), var(--color-yellow));
    filter: drop-shadow(0 0 15px rgba(0, 243, 255, 0.8));
    animation: prismPulse 3s infinite ease-in-out;
}

@keyframes prismPulse {
    0%, 100% { transform: rotate(0deg) scale(1); }
    50% { transform: rotate(180deg) scale(1.1); }
}

.glass-panel h2 {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    letter-spacing: 3px;
    margin-bottom: 4px;
    background: linear-gradient(90deg, #fff, var(--color-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.overlay-subtitle {
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.5);
    letter-spacing: 2px;
    margin-bottom: 20px;
}

.rules-grid {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 20px;
    text-align: left;
}

.rule-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.07);
    padding: 10px 14px;
    border-radius: 12px;
}

.rule-icon {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    margin-top: 3px;
    flex-shrink: 0;
}

.red-glow { background: var(--color-red); box-shadow: 0 0 8px var(--color-red); }
.cyan-glow { background: var(--color-cyan); box-shadow: 0 0 8px var(--color-cyan); }
.gold-glow { background: var(--color-yellow); box-shadow: 0 0 8px var(--color-yellow); }

.rule-desc {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.rule-desc strong {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.95);
}

.rule-desc span {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.3;
}

.controls-hint {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 24px;
}

.hint-item {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.6);
}

.key {
    display: inline-block;
    padding: 2px 6px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 4px;
    color: var(--color-cyan);
    font-family: var(--font-heading);
    font-size: 0.75rem;
}

/* Glow Buttons */
.glow-btn {
    position: relative;
    width: 100%;
    padding: 14px;
    border: none;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--color-cyan), var(--color-magenta));
    color: #ffffff;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.05rem;
    letter-spacing: 2px;
    cursor: pointer;
    overflow: hidden;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    box-shadow: 0 0 25px rgba(0, 243, 255, 0.4);
}

.glow-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 35px rgba(255, 0, 160, 0.6);
}

.glow-btn:active {
    transform: translateY(1px);
}

/* Game Over Stats */
.gameover-title {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 900;
    color: var(--color-red);
    text-shadow: 0 0 15px rgba(255, 51, 102, 0.6);
}

.gameover-subtitle {
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.5);
    letter-spacing: 2px;
    margin-bottom: 24px;
}

.final-stats {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 20px;
}

.final-stat-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 16px;
    background: rgba(255, 255, 255, 0.04);
    border-radius: 10px;
}

.final-stat-item .label {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
}

.final-stat-item .value {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 700;
}

.gold-num {
    color: var(--color-yellow);
    text-shadow: 0 0 10px rgba(255, 215, 0, 0.5);
}

.new-high-badge {
    padding: 8px;
    background: rgba(255, 215, 0, 0.15);
    border: 1px solid var(--color-yellow);
    border-radius: 10px;
    color: var(--color-yellow);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 20px;
    animation: bounce 1s infinite alternate;
}

@keyframes bounce {
    from { transform: translateY(0); }
    to { transform: translateY(-4px); }
}

/* Mobile Controls System */
.mobile-controls {
    display: none;
    justify-content: space-between;
    align-items: center;
    padding-top: 10px;
    width: 100%;
}

.dpad {
    position: relative;
    width: 130px;
    height: 130px;
}

.dpad-btn {
    position: absolute;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    color: #fff;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    touch-action: manipulation;
}

.dpad-btn:active {
    background: rgba(0, 243, 255, 0.3);
    border-color: var(--color-cyan);
    box-shadow: var(--glow-cyan);
}

.dpad-btn.up { top: 0; left: 45px; }
.dpad-btn.left { top: 45px; left: 0; }
.dpad-btn.right { top: 45px; right: 0; }
.dpad-btn.down { bottom: 0; left: 45px; }

.dpad-center {
    position: absolute;
    top: 45px;
    left: 45px;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 10px;
}

.mobile-skill-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.2), rgba(255, 0, 160, 0.3));
    border: 2px solid var(--color-yellow);
    color: #fff;
    cursor: pointer;
    box-shadow: 0 0 15px rgba(255, 215, 0, 0.3);
    touch-action: manipulation;
    transition: transform 0.1s;
}

.mobile-skill-btn:active {
    transform: scale(0.92);
}

.skill-icon {
    font-size: 1.4rem;
}

.skill-label {
    font-size: 0.65rem;
    font-weight: 700;
    margin-top: 2px;
    color: var(--color-yellow);
}

/* Responsive Media Queries */
@media (max-height: 700px) {
    .game-header { padding: 4px 12px; margin-bottom: 8px; }
    .dashboard-panel { margin-bottom: 8px; }
    .stat-box { padding: 6px; }
    .stat-value { font-size: 1.1rem; }
}

@media (max-width: 768px) {
    .app-container { padding: 8px; }
    .game-title { font-size: 1.1rem; }
    .dashboard-panel { grid-template-columns: repeat(2, 1fr); gap: 8px; }
    .mobile-controls { display: flex; }
    .glass-panel { padding: 20px; }
    .rules-grid { gap: 8px; }
}