/* ==========================================
   GLASSTEAVER (圣堂琉璃) - CSS STYLE SYSTEM
   ========================================== */

/* Design Tokens & CSS Variables */
:root {
    --bg-dark: #0a0812;          /* Deep obsidian cathedral space */
    --bg-card: rgba(20, 16, 32, 0.65); /* Translucent glass */
    --gold-primary: #d1b880;     /* Metallic gold trim */
    --gold-glow: rgba(209, 184, 128, 0.3);
    --text-primary: #f0f0f5;     /* Pure light text */
    --text-secondary: #a3a1b5;   /* Soft slate gray */
    --border-color: rgba(209, 184, 128, 0.15); /* Delicate gold line */
    --border-glow: rgba(209, 184, 128, 0.25);
    
    /* Holy Glass Colors (Glows) */
    --glass-red: #ff3344;
    --glass-blue: #3388ff;
    --glass-green: #22cc66;
    --glass-yellow: #ffaa00;
    --glass-prism: #e8d0ff;

    --font-ui: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-title: 'Outfit', sans-serif;
    --font-accent: 'Cinzel', serif;
    --font-lcd: 'Orbitron', monospace;

    /* Bloom Shadows */
    --glow-red: 0 0 15px rgba(255, 51, 68, 0.6);
    --glow-blue: 0 0 15px rgba(51, 136, 255, 0.6);
    --glow-green: 0 0 15px rgba(34, 204, 102, 0.6);
    --glow-yellow: 0 0 15px rgba(255, 170, 0, 0.6);
    --glow-gold: 0 0 18px rgba(209, 184, 128, 0.4);
    --glow-prism: 0 0 25px rgba(232, 208, 255, 0.8);
}

/* Reset & Base Styles */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: var(--font-ui);
    background-color: var(--bg-dark);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
    line-height: 1.5;
}

.font-cinzel {
    font-family: var(--font-accent);
}

.text-red { color: var(--glass-red); }
.text-blue { color: var(--glass-blue); }
.text-green { color: var(--glass-green); }
.text-yellow { color: var(--glass-yellow); }

/* 1. Cathedral Atmosphere Background */
.cathedral-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -10;
    pointer-events: none;
    background: radial-gradient(circle at center, #1b152d 0%, #06050b 100%);
    overflow: hidden;
}

/* Gothic vaulted arches drawing using gradient overlays */
.vault-lines {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(ellipse at 50% -20%, transparent 60%, rgba(209, 184, 128, 0.04) 62%, transparent 63%),
        radial-gradient(ellipse at 50% 120%, transparent 60%, rgba(209, 184, 128, 0.04) 62%, transparent 63%),
        linear-gradient(45deg, transparent 49.8%, rgba(209, 184, 128, 0.03) 50%, transparent 50.2%),
        linear-gradient(-45deg, transparent 49.8%, rgba(209, 184, 128, 0.03) 50%, transparent 50.2%);
    background-size: 100% 100%, 100% 100%, 200px 200px, 200px 200px;
    opacity: 0.8;
}

/* Large rose window pattern fading in the background */
.rose-window-silhouette {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80vh;
    height: 80vh;
    border-radius: 50%;
    background: radial-gradient(circle, transparent 20%, rgba(20, 15, 30, 0.5) 70%),
                repeating-conic-gradient(from 0deg, transparent 0deg 15deg, rgba(209, 184, 128, 0.015) 15deg 30deg);
    border: 2px dashed rgba(209, 184, 128, 0.03);
    opacity: 0.6;
}

/* Floating light dust particles (God Rays dust) */
.light-dust-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(circle, rgba(255, 255, 255, 0.1) 1px, transparent 1px);
    background-size: 50px 50px;
    opacity: 0.15;
}

/* 2. Layout Structure */
.game-wrapper {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Header design */
.game-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 4px 20px -10px rgba(0, 0, 0, 0.5);
}

.back-link .btn-back {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.9rem;
    padding: 8px 16px;
    background: rgba(30, 25, 45, 0.5);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.back-link .btn-back:hover {
    transform: translateY(-1px);
    border-color: var(--gold-primary);
    color: var(--gold-primary);
    box-shadow: 0 0 10px var(--gold-glow);
}

.back-arrow {
    margin-right: 6px;
    transition: transform 0.2s ease;
}

.back-link .btn-back:hover .back-arrow {
    transform: translateX(-3px);
}

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

.glass-title {
    font-family: var(--font-accent);
    font-size: 1.8rem;
    font-weight: 800;
    letter-spacing: 4px;
    color: var(--gold-primary);
    text-shadow: 0 0 12px var(--gold-glow);
}

.sub-title {
    font-family: var(--font-title);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-secondary);
}

.cathedral-badge {
    background: linear-gradient(135deg, rgba(209,184,128,0.2) 0%, rgba(209,184,128,0.05) 100%);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 4px 10px;
    box-shadow: var(--glow-gold);
}

.badge-text {
    font-family: var(--font-lcd);
    font-size: 0.85rem;
    color: var(--gold-primary);
    letter-spacing: 1px;
}

/* 3. Main Game Layout Grid */
.game-layout {
    display: grid;
    grid-template-columns: 320px 1fr 320px;
    gap: 20px;
    flex-grow: 1;
    align-items: start;
}

/* Glass Cards styling */
.glass-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    position: relative;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.glass-card:hover {
    border-color: rgba(209, 184, 128, 0.3);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5), 0 0 10px rgba(209, 184, 128, 0.05);
}

.card-title {
    font-family: var(--font-accent);
    font-size: 1.25rem;
    color: var(--gold-primary);
    margin-bottom: 18px;
    padding-bottom: 6px;
    border-bottom: 1px solid rgba(209, 184, 128, 0.15);
    letter-spacing: 2px;
}

/* Stats dashboard */
.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 20px;
}

.stat-box {
    background: rgba(10, 8, 16, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    padding: 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-title {
    font-size: 0.7rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 4px;
}

.stat-number {
    font-family: var(--font-lcd);
    font-size: 1.4rem;
    font-weight: 700;
}

.score-glow {
    color: var(--gold-primary);
    text-shadow: 0 0 8px rgba(209, 184, 128, 0.5);
}

.high-score-glow {
    color: var(--glass-blue);
    text-shadow: 0 0 8px rgba(51, 136, 255, 0.5);
}

/* Altar status items */
.altars-indicator-section {
    margin-bottom: 20px;
}

.section-minor-title {
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 12px;
}

.altar-progress-item {
    margin-bottom: 10px;
}

.altar-info {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.8rem;
    margin-bottom: 4px;
}

.altar-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin-right: 6px;
}

.altar-dot.color-red { background: var(--glass-red); box-shadow: var(--glow-red); }
.altar-dot.color-blue { background: var(--glass-blue); box-shadow: var(--glow-blue); }
.altar-dot.color-green { background: var(--glass-green); box-shadow: var(--glow-green); }
.altar-dot.color-yellow { background: var(--glass-yellow); box-shadow: var(--glow-yellow); }

.altar-name {
    flex-grow: 1;
    color: var(--text-primary);
}

.altar-percent {
    font-family: var(--font-lcd);
    color: var(--text-secondary);
}

/* Progress bar */
.progress-bar {
    height: 6px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 3px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.02);
}

.progress-fill {
    height: 100%;
    width: 0%;
    border-radius: 3px;
    transition: width 0.1s ease;
}

.progress-fill.bg-red { background: linear-gradient(90deg, #bb1122, var(--glass-red)); box-shadow: var(--glow-red); }
.progress-fill.bg-blue { background: linear-gradient(90deg, #1155bb, var(--glass-blue)); box-shadow: var(--glow-blue); }
.progress-fill.bg-green { background: linear-gradient(90deg, #119944, var(--glass-green)); box-shadow: var(--glow-green); }
.progress-fill.bg-yellow { background: linear-gradient(90deg, #cc8800, var(--glass-yellow)); box-shadow: var(--glow-yellow); }
.progress-fill.bg-glow { background: linear-gradient(90deg, #8a2be2, var(--glass-prism)); box-shadow: var(--glow-prism); }

/* Bullet time section */
.bullet-time-section {
    padding-top: 10px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.bullet-time-section .stat-label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

/* Config row controls */
.control-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
    font-size: 0.85rem;
}

.custom-select {
    background: rgba(10, 8, 16, 0.8);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    padding: 6px 12px;
    outline: none;
    font-size: 0.8rem;
    cursor: pointer;
    transition: border-color 0.2s;
}

.custom-select:hover {
    border-color: var(--gold-primary);
}

.toggle-container {
    position: relative;
    width: 44px;
    height: 22px;
}

.toggle-container input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0; left: 0; right: 0; bottom: 0;
    background-color: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--border-color);
    transition: .3s;
    border-radius: 22px;
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 14px;
    width: 14px;
    left: 3px;
    bottom: 3px;
    background-color: var(--text-secondary);
    transition: .3s;
    border-radius: 50%;
}

input:checked + .toggle-slider {
    background-color: rgba(209, 184, 128, 0.25);
    border-color: var(--gold-primary);
}

input:checked + .toggle-slider:before {
    transform: translateX(22px);
    background-color: var(--gold-primary);
    box-shadow: var(--glow-gold);
}

.hud-action-info {
    margin-top: 15px;
    font-size: 0.72rem;
    color: var(--text-secondary);
    line-height: 1.4;
    background: rgba(10, 8, 16, 0.4);
    padding: 10px;
    border-radius: 6px;
    border-left: 2px solid var(--gold-primary);
}

/* 4. Center Panel Canvas Style */
.panel-center {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.canvas-container {
    position: relative;
    background: radial-gradient(circle, #100d1e 0%, #05040a 100%);
    border: 2px solid var(--gold-primary);
    border-radius: 16px;
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.6), var(--glow-gold);
    overflow: hidden;
    width: 600px;
    height: 600px;
}

#game-canvas {
    display: block;
    width: 100%;
    height: 100%;
}

/* Screen overlay panels */
.screen-overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(6, 5, 10, 0.88);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 20;
    backdrop-filter: blur(8px);
    transition: opacity 0.3s ease;
}

.screen-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

.overlay-content {
    max-width: 480px;
    padding: 30px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.overlay-icon {
    font-size: 3.5rem;
    margin-bottom: 15px;
    filter: drop-shadow(0 0 10px rgba(255,255,255,0.1));
}

.overlay-title {
    font-size: 2rem;
    font-weight: 800;
    color: var(--gold-primary);
    margin-bottom: 15px;
    letter-spacing: 4px;
    text-shadow: 0 0 10px var(--gold-glow);
}

.overlay-desc {
    font-size: 0.82rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 25px;
    text-align: left;
}

.overlay-desc strong {
    color: var(--text-primary);
}

.text-crane { color: var(--glass-blue); font-weight: 600; }
.text-frog { color: var(--glass-green); font-weight: 600; }
.text-boat { color: var(--glass-yellow); font-weight: 600; }

.btn-action {
    background: linear-gradient(135deg, rgba(209, 184, 128, 0.3) 0%, rgba(209, 184, 128, 0.08) 100%);
    border: 1px solid var(--gold-primary);
    color: var(--gold-primary);
    padding: 12px 35px;
    font-size: 1.1rem;
    font-weight: bold;
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.2s ease;
    letter-spacing: 2px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.4);
}

.btn-action:hover {
    transform: translateY(-2px);
    background: linear-gradient(135deg, rgba(209, 184, 128, 0.5) 0%, rgba(209, 184, 128, 0.15) 100%);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.4), var(--glow-gold);
}

.score-summary {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    padding: 15px 30px;
    margin-bottom: 20px;
    font-size: 1rem;
}

.score-summary span {
    font-family: var(--font-lcd);
    font-size: 1.3rem;
    font-weight: 700;
    margin-left: 8px;
}

/* 5. Mobile Controls style */
.mobile-controls {
    display: none; /* Hidden on desktop */
    width: 100%;
    margin-top: 15px;
}

.mobile-layout-row {
    display: flex;
    align-items: center;
    justify-content: space-around;
    gap: 15px;
}

/* Virtual D-Pad Keypad */
.virtual-keypad-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
}

.virtual-keypad {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}

.keypad-middle {
    display: flex;
    gap: 20px;
}

.keypad-btn {
    width: 50px;
    height: 50px;
    background: rgba(30, 25, 45, 0.6);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    color: var(--gold-primary);
    font-size: 1.1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.1s ease;
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
}

.keypad-btn:active {
    background: rgba(209, 184, 128, 0.25);
    border-color: var(--gold-primary);
    box-shadow: 0 0 10px var(--gold-glow);
    transform: scale(0.95);
}

/* Mobile Actions Group */
.mobile-action-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.action-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background: rgba(30, 25, 45, 0.7);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
}

.action-btn:active, .action-btn.active {
    background: rgba(138, 43, 226, 0.3);
    border-color: var(--glass-prism);
    box-shadow: var(--glow-prism);
    transform: scale(0.95);
}

.action-btn-icon {
    font-size: 1.2rem;
}

/* 6. Codex Card style */
.codex-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.codex-item {
    background: rgba(10, 8, 16, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.03);
    border-radius: 8px;
    padding: 12px;
}

.codex-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 6px;
}

.codex-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.glass-shards-icon {
    background: linear-gradient(135deg, var(--glass-red), var(--glass-blue));
    box-shadow: 0 0 6px var(--glass-red);
}

.prism-shards-icon {
    background: var(--glass-prism);
    box-shadow: var(--glow-prism);
    border-radius: 0;
    transform: rotate(45deg);
}

.codex-icon-box {
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.codex-name {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--gold-primary);
    letter-spacing: 0.5px;
}

.codex-desc {
    font-size: 0.72rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

/* 7. Responsive Style Systems */
@media (max-width: 1300px) {
    .game-layout {
        grid-template-columns: 280px 1fr;
    }
    .panel-right {
        display: none; /* Hide codex panel on small screens */
    }
}

@media (max-width: 990px) {
    .game-layout {
        grid-template-columns: 1fr;
    }
    
    .panel-left {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 20px;
        width: 100%;
        max-width: 600px;
        margin: 0 auto;
    }
    
    .info-card, .config-card {
        margin-bottom: 0;
    }
}

@media (max-width: 650px) {
    .game-wrapper {
        padding: 10px;
    }

    .game-header {
        margin-bottom: 12px;
        padding-bottom: 8px;
    }

    .glass-title {
        font-size: 1.4rem;
        letter-spacing: 2px;
    }

    .panel-left {
        grid-template-columns: 1fr;
        gap: 12px;
        max-width: 100%;
    }

    .canvas-container {
        width: 100%;
        height: auto;
        aspect-ratio: 1 / 1;
        border-radius: 12px;
    }

    .mobile-controls {
        display: block; /* Show controls on touch devices */
    }
    
    .overlay-content {
        padding: 15px;
    }
    
    .overlay-title {
        font-size: 1.5rem;
    }
    
    .overlay-desc {
        font-size: 0.72rem;
        max-height: 300px;
        overflow-y: auto;
    }
}

/* User Selection Prevention for Mobile Touch controls */
.keypad-btn, .action-btn, .canvas-container {
    user-select: none;
    -webkit-user-select: none;
}

/* Ultra-small Screen Layout Adjustments */
@media (max-width: 360px) {
    .keypad-btn {
        width: 42px;
        height: 42px;
        font-size: 0.9rem;
    }
    .keypad-middle {
        gap: 10px;
    }
    .action-btn {
        padding: 8px 12px;
        font-size: 0.8rem;
    }
}