/* ==========================================================================
   Bio-Cellular Metamorphosis (2026-08-02) - Stylesheet
   Design Aesthetic: Bioluminescent Abyssal Petri Dish & Bio-Tech Glassmorphism
   ========================================================================== */

:root {
    --bg-dark: #050811;
    --bg-card: rgba(12, 20, 36, 0.75);
    --border-color: rgba(0, 210, 255, 0.18);
    --border-glow: rgba(0, 210, 255, 0.4);

    --color-cyan: #00d2ff;
    --color-green: #00f59b;
    --color-red: #ff3b5c;
    --color-gold: #ffd15c;
    --color-purple: #a855f7;
    --text-main: #e2f1f8;
    --text-muted: #849bb4;

    --font-heading: 'Syne', 'Noto Sans SC', sans-serif;
    --font-body: 'Outfit', 'Noto Sans SC', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: var(--font-body);
    min-height: 100vh;
    overflow-x: hidden;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding: 16px;
}

/* --- Ambient Background --- */
.bio-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    overflow: hidden;
    background: radial-gradient(circle at 50% 40%, #0c182b 0%, #050811 75%);
}

.dish-grid {
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(circle, rgba(0, 210, 255, 0.06) 1px, transparent 1px),
        linear-gradient(to right, rgba(0, 210, 255, 0.03) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(0, 210, 255, 0.03) 1px, transparent 1px);
    background-size: 32px 32px, 64px 64px, 64px 64px;
    opacity: 0.8;
}

.fluid-particles {
    position: absolute;
    inset: -50px;
    background: 
        radial-gradient(2px 2px at 20px 30px, rgba(0, 245, 155, 0.4), transparent),
        radial-gradient(3px 3px at 40px 70px, rgba(0, 210, 255, 0.3), transparent),
        radial-gradient(2px 2px at 90px 40px, rgba(255, 209, 92, 0.3), transparent);
    background-size: 180px 180px;
    animation: fluidDrift 40s linear infinite;
}

@keyframes fluidDrift {
    0% { transform: translate(0, 0) rotate(0deg); }
    50% { transform: translate(30px, 40px) rotate(180deg); }
    100% { transform: translate(0, 0) rotate(360deg); }
}

.vignette-overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 50%, transparent 50%, rgba(5, 8, 17, 0.85) 100%);
    pointer-events: none;
}

/* --- Container & Layout --- */
.app-container {
    width: 100%;
    max-width: 860px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

/* --- Header --- */
.game-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 12px 20px;
    backdrop-filter: blur(12px);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
}

.back-link {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    padding: 6px 12px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    transition: all 0.2s ease;
}

.back-link:hover {
    color: var(--color-cyan);
    border-color: var(--color-cyan);
    background: rgba(0, 210, 255, 0.08);
}

.header-title {
    text-align: center;
}

.header-title h1 {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 800;
    letter-spacing: 1px;
    color: var(--text-main);
    text-transform: uppercase;
}

.header-title h1 span {
    color: var(--color-cyan);
    text-shadow: 0 0 12px rgba(0, 210, 255, 0.6);
}

.header-title .subtitle {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 2px;
    letter-spacing: 0.5px;
}

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

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

.icon-btn:hover {
    background: rgba(0, 210, 255, 0.15);
    border-color: var(--color-cyan);
    box-shadow: 0 0 10px rgba(0, 210, 255, 0.3);
}

/* --- HUD Panel --- */
.hud-panel {
    display: grid;
    grid-template-columns: 1fr 1fr 1.3fr 1.8fr;
    gap: 12px;
}

.hud-box {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 10px 14px;
    backdrop-filter: blur(8px);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.hud-label {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.hud-val {
    font-family: var(--font-mono);
    font-size: 20px;
    font-weight: 800;
    color: var(--text-main);
    margin-top: 2px;
}

.glow-cyan {
    color: var(--color-cyan);
    text-shadow: 0 0 10px rgba(0, 210, 255, 0.5);
}

.glow-green {
    color: var(--color-green);
    text-shadow: 0 0 10px rgba(0, 245, 155, 0.5);
}

.glow-gold {
    color: var(--color-gold);
    text-shadow: 0 0 10px rgba(255, 209, 92, 0.5);
}

.stage-badge {
    margin-top: 4px;
    padding: 4px 8px;
    border-radius: 6px;
    background: rgba(0, 245, 155, 0.1);
    border: 1px solid rgba(0, 245, 155, 0.3);
    color: var(--color-green);
    font-size: 12px;
    font-weight: 700;
    text-align: center;
}

.atp-box {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 6px;
}

.atp-label-group {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.atp-percent {
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 700;
    color: var(--color-cyan);
}

.atp-bar-track {
    height: 8px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 4px;
    overflow: hidden;
    border: 1px solid rgba(0, 210, 255, 0.2);
}

.atp-bar-fill {
    height: 100%;
    width: 100%;
    background: linear-gradient(90deg, var(--color-cyan), var(--color-green));
    box-shadow: 0 0 8px rgba(0, 245, 155, 0.6);
    transition: width 0.15s ease;
}

/* --- DNA Sequence & Shield Status Bar --- */
.dna-status-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 8px 16px;
    backdrop-filter: blur(8px);
}

.dna-sequence-group {
    display: flex;
    align-items: center;
    gap: 10px;
    overflow-x: auto;
}

.dna-label {
    font-size: 12px;
    font-weight: 700;
    color: var(--text-muted);
    white-space: nowrap;
}

.dna-slots {
    display: flex;
    align-items: center;
    gap: 6px;
}

.dna-empty {
    font-size: 12px;
    color: var(--text-muted);
    font-style: italic;
}

.dna-chip {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 8px;
    border-radius: 6px;
    font-size: 11px;
    font-weight: 800;
    font-family: var(--font-mono);
    animation: popIn 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes popIn {
    0% { transform: scale(0.6); opacity: 0; }
    100% { transform: scale(1); opacity: 1; }
}

.dna-chip.red { background: rgba(255, 59, 92, 0.2); border: 1px solid var(--color-red); color: var(--color-red); }
.dna-chip.green { background: rgba(0, 245, 155, 0.2); border: 1px solid var(--color-green); color: var(--color-green); }
.dna-chip.blue { background: rgba(0, 210, 255, 0.2); border: 1px solid var(--color-cyan); color: var(--color-cyan); }
.dna-chip.gold { background: rgba(255, 209, 92, 0.2); border: 1px solid var(--color-gold); color: var(--color-gold); }

.shield-indicator {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    font-weight: 700;
    color: var(--color-green);
    background: rgba(0, 245, 155, 0.08);
    border: 1px solid rgba(0, 245, 155, 0.25);
    padding: 4px 10px;
    border-radius: 8px;
}

/* --- Viewport & Canvas --- */
.game-viewport {
    position: relative;
    width: 100%;
    aspect-ratio: 4 / 3;
    background: #04070f;
    border: 2px solid var(--border-color);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 0 30px rgba(0, 210, 255, 0.15), inset 0 0 40px rgba(0, 0, 0, 0.8);
}

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

/* --- Evolution Toast Overlay --- */
.evo-toast {
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%) translateY(-100px);
    background: rgba(12, 24, 44, 0.92);
    border: 2px solid var(--color-gold);
    box-shadow: 0 0 25px rgba(255, 209, 92, 0.5);
    border-radius: 14px;
    padding: 12px 24px;
    display: flex;
    align-items: center;
    gap: 12px;
    backdrop-filter: blur(12px);
    z-index: 20;
    pointer-events: none;
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), opacity 0.4s ease;
    opacity: 0;
}

.evo-toast.active {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

.evo-toast-icon {
    font-size: 24px;
}

.evo-toast-title {
    font-family: var(--font-heading);
    font-size: 16px;
    font-weight: 800;
    color: var(--color-gold);
}

.evo-toast-desc {
    font-size: 13px;
    color: var(--text-main);
    margin-top: 2px;
}

/* --- Overlay Modals --- */
.overlay-modal {
    position: absolute;
    inset: 0;
    background: rgba(4, 7, 15, 0.85);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 30;
    padding: 20px;
}

.modal-card {
    background: rgba(12, 22, 40, 0.95);
    border: 1px solid var(--border-glow);
    border-radius: 20px;
    padding: 30px;
    max-width: 440px;
    width: 100%;
    text-align: center;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.6), 0 0 30px rgba(0, 210, 255, 0.2);
    animation: modalPop 0.3s ease-out;
}

@keyframes modalPop {
    0% { transform: scale(0.9); opacity: 0; }
    100% { transform: scale(1); opacity: 1; }
}

.modal-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    background: rgba(0, 210, 255, 0.12);
    border: 1px solid var(--color-cyan);
    color: var(--color-cyan);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 1px;
    margin-bottom: 12px;
}

.modal-badge.danger {
    background: rgba(255, 59, 92, 0.15);
    border-color: var(--color-red);
    color: var(--color-red);
}

.modal-title {
    font-family: var(--font-heading);
    font-size: 26px;
    font-weight: 800;
    color: var(--text-main);
    margin-bottom: 4px;
}

.modal-subtitle {
    font-size: 12px;
    color: var(--color-cyan);
    letter-spacing: 1px;
    margin-bottom: 14px;
    font-family: var(--font-mono);
}

.modal-desc {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 20px;
}

.modal-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 12px;
    font-family: var(--font-body);
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-cyan), #0088ff);
    color: #04070f;
    box-shadow: 0 4px 16px rgba(0, 210, 255, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 22px rgba(0, 210, 255, 0.6);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid var(--border-color);
    color: var(--text-main);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
}

.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-bottom: 20px;
    text-align: left;
}

.stat-item {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 10px;
    padding: 10px;
}

.stat-lbl {
    font-size: 11px;
    color: var(--text-muted);
    display: block;
}

.stat-val {
    font-family: var(--font-mono);
    font-size: 18px;
    font-weight: 800;
    margin-top: 2px;
    display: block;
}

/* --- Mobile Controls --- */
.mobile-controls {
    display: none;
    justify-content: space-between;
    align-items: center;
    padding: 6px 0;
}

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

.dpad-btn {
    position: absolute;
    width: 42px;
    height: 42px;
    background: rgba(12, 24, 44, 0.85);
    border: 1px solid var(--border-glow);
    border-radius: 10px;
    color: var(--color-cyan);
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    touch-action: manipulation;
}

.dpad-btn:active {
    background: var(--color-cyan);
    color: #04070f;
}

.dpad-btn.up { top: 0; left: 44px; }
.dpad-btn.down { bottom: 0; left: 44px; }
.dpad-btn.left { top: 44px; left: 0; }
.dpad-btn.right { top: 44px; right: 0; }

.atp-dash-btn {
    height: 64px;
    padding: 0 24px;
    border-radius: 16px;
    background: linear-gradient(135deg, rgba(0, 245, 155, 0.2), rgba(0, 210, 255, 0.2));
    border: 2px solid var(--color-green);
    box-shadow: 0 0 15px rgba(0, 245, 155, 0.3);
    color: var(--color-green);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-family: var(--font-body);
    font-weight: 800;
    font-size: 15px;
    cursor: pointer;
    touch-action: manipulation;
}

.atp-dash-btn:active {
    background: var(--color-green);
    color: #04070f;
}

.atp-dash-btn small {
    font-size: 10px;
    font-family: var(--font-mono);
}

/* --- Legend Card --- */
.game-legend {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 16px 20px;
    backdrop-filter: blur(10px);
}

.legend-header h3 {
    font-size: 13px;
    font-weight: 800;
    color: var(--color-cyan);
    letter-spacing: 0.5px;
    margin-bottom: 12px;
}

.legend-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 12px;
}

.legend-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    padding: 10px;
}

.organelle-icon {
    font-size: 18px;
    width: 28px;
    height: 28px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.06);
    flex-shrink: 0;
}

.organelle-info strong {
    font-size: 13px;
    color: var(--text-main);
    display: block;
}

.organelle-info p {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 2px;
    line-height: 1.3;
}

/* --- Media Queries / Mobile Responsiveness --- */
@media (max-width: 768px) {
    body {
        padding: 8px;
    }

    .app-container {
        gap: 10px;
    }

    .game-header {
        padding: 10px 14px;
    }

    .header-title h1 {
        font-size: 16px;
    }

    .hud-panel {
        grid-template-columns: 1fr 1fr;
        gap: 8px;
    }

    .mobile-controls {
        display: flex;
    }

    .legend-grid {
        grid-template-columns: 1fr;
    }
}