/* === BASE === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --bg: #0a0a1a;
    --surface: #12122a;
    --surface2: #1a1a3a;
    --gold: #d4a843;
    --gold-light: #f0d078;
    --gold-dim: #8a6e2a;
    --text: #e8e8f0;
    --text-dim: #8888aa;
    --green: #4ade80;
    --red: #f87171;
    --font: 'Space Grotesk', system-ui, sans-serif;
}

html, body {
    height: 100%; width: 100%;
    background: var(--bg);
    color: var(--text);
    font-family: var(--font);
    overflow: hidden;
    -webkit-tap-highlight-color: transparent;
}

#confetti-canvas {
    position: fixed; inset: 0;
    width: 100%; height: 100%;
    pointer-events: none; z-index: 1000;
}

#app { height: 100%; width: 100%; position: relative; }

.screen {
    position: absolute; inset: 0;
    display: flex; align-items: center; justify-content: center;
    opacity: 0; pointer-events: none;
    transition: opacity 0.5s ease;
}
.screen.active { opacity: 1; pointer-events: auto; }

/* === FLASH OVERLAY === */
.flash-overlay {
    position: fixed; inset: 0; z-index: 900;
    pointer-events: none; opacity: 0;
    transition: opacity 0.3s ease;
}
.flash-overlay.red { background: rgba(248,113,113,0.25); opacity: 1; }

/* === SHAKE === */
@keyframes shake {
    0%,100% { transform: translateX(0); }
    10%,50%,90% { transform: translateX(-6px); }
    30%,70% { transform: translateX(6px); }
}
.shake { animation: shake 0.4s ease; }

/* === START SCREEN === */
.start-content { text-align: center; padding: 2rem; }

.title {
    font-size: clamp(3rem, 10vw, 6rem);
    font-weight: 700;
    background: linear-gradient(135deg, var(--gold-light), var(--gold), var(--gold-light));
    background-size: 200% 100%;
    -webkit-background-clip: text; background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: shimmer 3s ease-in-out infinite;
    line-height: 1.1;
}
.title-eye { font-weight: 300; }

@keyframes shimmer {
    0%,100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.subtitle {
    color: var(--text-dim); font-size: 1.1rem;
    margin-top: 0.5rem; font-weight: 300;
}

.idle-scale-wrap { margin: 2rem auto; width: clamp(200px, 50vw, 340px); }

.scale-svg { width: 100%; height: auto; display: block; }

.mode-buttons {
    display: flex; gap: 1rem;
    justify-content: center; flex-wrap: wrap;
    margin-top: 1.5rem;
}

.mode-btn {
    background: var(--surface2);
    border: 1px solid rgba(212,168,67,0.2);
    border-radius: 16px; padding: 1.2rem 2rem;
    color: var(--text); cursor: pointer;
    display: flex; flex-direction: column; align-items: center;
    gap: 0.3rem; min-width: 160px;
    transition: all 0.25s ease;
    font-family: var(--font);
}
.mode-btn:hover {
    border-color: var(--gold);
    background: rgba(212,168,67,0.08);
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(212,168,67,0.15);
}
.mode-btn:active { transform: translateY(0) scale(0.97); }
.mode-emoji { font-size: 2rem; pointer-events: none; }
.mode-label { font-size: 1.2rem; font-weight: 600; pointer-events: none; }
.mode-desc { font-size: 0.75rem; color: var(--text-dim); pointer-events: none; }

/* === GAME SCREEN === */
.game-hud {
    position: absolute; top: 1rem; left: 0; right: 0;
    display: flex; justify-content: center; align-items: center;
    gap: 1.5rem; z-index: 10;
}
.exit-btn {
    position: absolute; left: 1rem; top: 0;
    background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.15);
    color: var(--text-dim); font-size: 1.2rem; width: 36px; height: 36px;
    border-radius: 50%; cursor: pointer; display: flex; align-items: center;
    justify-content: center; transition: all 0.2s ease; font-family: var(--font);
}
.exit-btn:hover { background: rgba(255,255,255,0.15); color: var(--text); }
.round-indicator { display: flex; gap: 0.4rem; }
.round-dot {
    width: 12px; height: 12px; border-radius: 50%;
    background: var(--surface2); border: 1px solid var(--text-dim);
    transition: all 0.4s ease;
}
.round-dot.current { border-color: var(--gold); box-shadow: 0 0 8px rgba(212,168,67,0.4); }
.round-dot.correct { background: var(--green); border-color: var(--green); }
.round-dot.wrong { background: var(--red); border-color: var(--red); }

.score-display {
    background: var(--surface2); border: 1px solid rgba(212,168,67,0.15);
    border-radius: 20px; padding: 0.3rem 1rem;
    font-weight: 600; font-size: 0.9rem;
    color: var(--gold-light);
}

.game-prompt {
    position: absolute; top: 3.5rem; left: 0; right: 0;
    text-align: center; font-size: 1rem; color: var(--text-dim);
    font-weight: 300;
}

.game-area {
    display: flex; align-items: center; justify-content: center;
    gap: clamp(0.5rem, 2vw, 1.5rem);
    width: 100%; padding: 0 1rem;
    height: 100%;
}

.card-zone {
    flex: 0 1 220px; display: flex; align-items: center;
}

.scale-zone { flex: 0 1 280px; min-width: 160px; }

.object-card {
    background: var(--surface);
    border: 1.5px solid rgba(212,168,67,0.12);
    border-radius: 20px; padding: 1.5rem 1rem;
    width: 100%; cursor: pointer;
    display: flex; flex-direction: column; align-items: center; gap: 0.4rem;
    font-family: var(--font); color: var(--text);
    transition: all 0.3s ease;
    transform: scale(1); position: relative;
    opacity: 0; transform: translateY(30px);
}
.object-card.visible {
    opacity: 1; transform: translateY(0);
}
.object-card:not(:disabled):hover {
    border-color: var(--gold);
    transform: translateY(-4px) scale(1.03);
    box-shadow: 0 12px 40px rgba(212,168,67,0.15);
}
.object-card:not(:disabled):active { transform: scale(0.96); }
.object-card:disabled { cursor: default; }
.object-card.winner {
    border-color: var(--gold);
    box-shadow: 0 0 30px rgba(212,168,67,0.3);
}
.object-card.loser { opacity: 0.45; }
.object-card.picked {
    animation: pulse-pick 0.3s ease;
}
@keyframes pulse-pick {
    0%,100% { transform: scale(1); }
    50% { transform: scale(1.08); }
}

.card-emoji { font-size: 3rem; line-height: 1; pointer-events: none; width: 80px; height: 80px; display: flex; align-items: center; justify-content: center; margin: 0 auto; }
.card-name { font-weight: 600; font-size: 1rem; text-align: center; pointer-events: none; }
.card-detail { font-size: 0.75rem; color: var(--text-dim); text-align: center; pointer-events: none; }
.card-weight {
    font-size: 0.95rem; font-weight: 600;
    color: var(--gold-light); margin-top: 0.3rem;
    opacity: 0; transition: opacity 0.4s ease;
    min-height: 1.4em;
}
.card-weight.visible { opacity: 1; }

/* === RESULT AREA === */
.result-area {
    position: absolute; bottom: 1.5rem; left: 0; right: 0;
    display: flex; flex-direction: column; align-items: center;
    gap: 0.6rem; padding: 0 1.5rem;
    opacity: 0; transform: translateY(20px);
    transition: all 0.5s ease;
    pointer-events: none;
}
.result-area.visible {
    opacity: 1; transform: translateY(0);
    pointer-events: auto;
}

.result-emoji {
    font-size: 3rem;
    animation: bounce-in 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}
@keyframes bounce-in {
    0% { transform: scale(0); }
    100% { transform: scale(1); }
}

.result-text { font-size: 1.3rem; font-weight: 600; }
.result-text.correct { color: var(--green); }
.result-text.wrong { color: var(--red); }

.fun-fact {
    font-size: 0.85rem; color: var(--text-dim);
    max-width: 500px; text-align: center;
    line-height: 1.5; min-height: 2.5em;
}

.next-btn {
    background: var(--gold); color: var(--bg);
    border: none; border-radius: 12px;
    padding: 0.7rem 2rem; font-family: var(--font);
    font-weight: 600; font-size: 1rem; cursor: pointer;
    transition: all 0.2s ease;
}
.next-btn:hover { background: var(--gold-light); transform: translateY(-2px); }
.next-btn:active { transform: scale(0.96); }

/* === END SCREEN === */
.end-content { text-align: center; padding: 2rem; }
.end-title {
    font-size: 1.5rem; color: var(--gold-light);
    margin-bottom: 1rem; font-weight: 300;
}
.end-score {
    font-size: clamp(3rem, 10vw, 5rem); font-weight: 700;
    color: var(--gold); line-height: 1.1;
}
.end-recap {
    display: flex; gap: 0.5rem; justify-content: center;
    margin: 1.5rem 0; font-size: 1.8rem;
}
.end-recap .recap-dot {
    opacity: 0; transform: scale(0);
    transition: all 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.end-recap .recap-dot.visible { opacity: 1; transform: scale(1); }

.end-buttons {
    display: flex; gap: 1rem; justify-content: center;
    flex-wrap: wrap; margin-top: 1rem;
}

.share-btn.copied .mode-label::after {
    content: ' ✓'; color: var(--green);
}

/* === MOBILE === */
@media (max-width: 700px) {
    .game-area { flex-direction: column; gap: 0.5rem; padding-top: 4rem; }
    .game-area .card-zone { flex: none; width: 100%; max-width: 260px; }
    .game-area .scale-zone { flex: none; width: clamp(140px, 45vw, 220px); order: -1; }
    .card-emoji { font-size: 2.2rem; }
    .object-card { padding: 1rem 0.8rem; flex-direction: row; gap: 0.8rem; }
    .card-name { font-size: 0.9rem; }
    .result-area { bottom: 0.8rem; }
    .result-emoji { font-size: 2rem; }
    .game-prompt { top: 3rem; font-size: 0.85rem; }
}