/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; }
body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    color: #e8e0d0;
    background: #0d2818;
    min-height: 100vh;
    line-height: 1.6;
}

/* ── Top Bar ── */
.top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1.5rem;
    background: rgba(10, 30, 20, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255,255,255,0.08);
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
}
.logo {
    font-size: 1.4rem;
    font-weight: 700;
    color: #7dcea0;
    text-decoration: none;
    letter-spacing: 0.5px;
}
.nav-right { display: flex; align-items: center; gap: 1rem; }
.token-display {
    font-size: 0.8rem;
    color: #a0a0a0;
}
.token-display code {
    background: rgba(255,255,255,0.08);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
}
.copy-btn {
    background: none; border: none; color: #7dcea0;
    cursor: pointer; font-size: 1rem; padding: 0.2rem;
}
.copy-btn:hover { color: #a0e8c0; }

/* ── Language Switcher ── */
.lang-switcher { display: flex; gap: 0.25rem; }
.lang-btn {
    padding: 0.3rem 0.6rem;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 4px;
    color: #a0a0a0;
    cursor: pointer;
    font-size: 0.75rem;
    font-weight: 600;
    transition: all 0.2s;
}
.lang-btn.active, .lang-btn:hover {
    background: #2a6b4a;
    color: #fff;
    border-color: #3a8b5a;
}

/* ── Buttons ── */
.btn {
    padding: 0.7rem 1.5rem;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: all 0.2s;
}
.btn-primary {
    background: linear-gradient(135deg, #2a6b4a, #3a8b5a);
    color: #fff;
    box-shadow: 0 4px 12px rgba(42, 107, 74, 0.3);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(42, 107, 74, 0.5);
}
.btn-secondary {
    background: rgba(255,255,255,0.08);
    color: #e8e0d0;
    border: 1px solid rgba(255,255,255,0.15);
}
.btn-secondary:hover { background: rgba(255,255,255,0.15); }
.btn-ghost { background: none; border: none; color: #7dcea0; cursor: pointer; padding: 0.7rem; }
.btn-ghost:hover { color: #a0e8c0; }

/* ── Input ── */
.input-group { display: flex; gap: 0.5rem; }
.input-group input {
    flex: 1;
    padding: 0.7rem 1rem;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 8px;
    color: #e8e0d0;
    font-size: 1rem;
}
.input-group input::placeholder { color: rgba(255,255,255,0.3); }
.input-group input:focus { outline: none; border-color: #3a8b5a; }

/* ── Landing Page ── */
.landing { padding: 5rem 1.5rem 3rem; max-width: 900px; margin: 0 auto; }
.hero { text-align: center; margin-bottom: 3rem; }
.hero h1 {
    font-size: 2.8rem;
    font-weight: 700;
    background: linear-gradient(135deg, #7dcea0, #e8e0d0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
}
.subtitle { font-size: 1.15rem; color: #a0a0a0; max-width: 600px; margin: 0 auto; }

.landing-actions {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-bottom: 4rem;
}

.card-panel {
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 16px;
    padding: 2rem;
}
.card-panel h2 {
    font-size: 1.3rem;
    color: #7dcea0;
    margin-bottom: 0.5rem;
}
.card-panel p { color: #a0a0a0; margin-bottom: 1rem; }

.status-msg { font-size: 0.85rem; color: #7dcea0; margin-top: 0.5rem; }

/* ── How It Works ── */
.how-it-works { text-align: center; }
.how-it-works h2 { font-size: 1.8rem; margin-bottom: 2rem; color: #e8e0d0; }
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 1.5rem; }
.step {
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 12px;
    padding: 1.5rem;
}
.step-num {
    width: 40px; height: 40px;
    background: #2a6b4a;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}
.step h3 { margin-bottom: 0.5rem; color: #7dcea0; }
.step p { font-size: 0.9rem; color: #a0a0a0; }

/* ── Sort Page Overlay ── */
.overlay { padding-top: 4rem; }

.deck-bar {
    position: fixed;
    top: 3.5rem;
    left: 0; right: 0;
    padding: 0.75rem 1.5rem;
    background: rgba(10, 30, 20, 0.85);
    backdrop-filter: blur(8px);
    z-index: 50;
    display: flex;
    align-items: center;
    gap: 1.5rem;
}
.deck-bar h2 { font-size: 1.1rem; color: #7dcea0; white-space: nowrap; }
.deck-bar p { font-size: 0.85rem; color: #a0a0a0; flex: 1; }
.progress-indicator { display: flex; align-items: center; gap: 0.5rem; white-space: nowrap; }
#cardCounter { font-size: 0.8rem; color: #a0a0a0; }
.progress-bar {
    width: 120px; height: 6px;
    background: rgba(255,255,255,0.1);
    border-radius: 3px;
    overflow: hidden;
}
.progress-fill {
    height: 100%;
    background: #3a8b5a;
    border-radius: 3px;
    transition: width 0.3s ease;
}

/* ── Current Card (2D fallback) ── */
.current-card {
    position: fixed;
    bottom: 50%;
    left: 50%;
    transform: translate(-50%, 50%);
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    max-width: 300px;
    pointer-events: none;
    display: none; /* Three.js handles display */
}

/* ── Pile Buttons ── */
.pile-buttons {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 0.75rem;
    z-index: 20;
}
.pile-btn {
    padding: 0.8rem 1.2rem;
    border: 2px solid;
    border-radius: 10px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all 0.2s;
    backdrop-filter: blur(8px);
}
.pile-not {
    background: rgba(180, 60, 60, 0.2);
    border-color: rgba(180, 60, 60, 0.5);
    color: #e08080;
}
.pile-not:hover { background: rgba(180, 60, 60, 0.4); }
.pile-somewhat {
    background: rgba(180, 150, 60, 0.2);
    border-color: rgba(180, 150, 60, 0.5);
    color: #e0c060;
}
.pile-somewhat:hover { background: rgba(180, 150, 60, 0.4); }
.pile-interesting {
    background: rgba(60, 150, 180, 0.2);
    border-color: rgba(60, 150, 180, 0.5);
    color: #60c0e0;
}
.pile-interesting:hover { background: rgba(60, 150, 180, 0.4); }
.pile-very {
    background: rgba(60, 180, 100, 0.2);
    border-color: rgba(60, 180, 100, 0.5);
    color: #60e080;
}
.pile-very:hover { background: rgba(60, 180, 100, 0.4); }

/* ── Ranking Phase ── */
.ranking-phase {
    position: fixed;
    bottom: 0; left: 0; right: 0;
    background: rgba(10, 30, 20, 0.92);
    backdrop-filter: blur(10px);
    padding: 1.5rem;
    max-height: 50vh;
    overflow-y: auto;
    z-index: 20;
}
.ranking-phase h2 { color: #7dcea0; margin-bottom: 0.25rem; }
.ranking-phase p { color: #a0a0a0; margin-bottom: 1rem; font-size: 0.9rem; }

.rank-list { display: flex; flex-direction: column; gap: 0.5rem; margin-bottom: 1rem; }
.rank-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 8px;
    cursor: grab;
    transition: all 0.2s;
}
.rank-item:hover { background: rgba(255,255,255,0.1); }
.rank-item.dragging { opacity: 0.4; }
.rank-item.drag-over { border-color: #3a8b5a; }
.rank-num { color: #7dcea0; font-weight: 700; min-width: 2rem; }
.drag-handle { margin-left: auto; color: #555; font-size: 1.2rem; }

/* ── Motivation Phase ── */
.motivation-phase {
    position: fixed;
    bottom: 0; left: 0; right: 0;
    background: rgba(10, 30, 20, 0.92);
    backdrop-filter: blur(10px);
    padding: 1.5rem;
    z-index: 20;
}
.motivation-phase h2 { color: #7dcea0; margin-bottom: 1rem; }

.motivation-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: rgba(255,255,255,0.05);
    border-radius: 8px;
    margin-bottom: 1rem;
}
.motivation-card h3 { flex: 1; }
.mot-rank { color: #7dcea0; font-weight: 700; font-size: 1.2rem; }

#motivationText {
    width: 100%;
    padding: 0.75rem;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 8px;
    color: #e8e0d0;
    font-size: 1rem;
    font-family: inherit;
    resize: vertical;
    margin-bottom: 1rem;
}
#motivationText:focus { outline: none; border-color: #3a8b5a; }

.mot-nav { display: flex; align-items: center; gap: 1rem; }
#motCounter { flex: 1; text-align: center; color: #a0a0a0; font-size: 0.85rem; }

/* ── Email Prompt ── */
.email-prompt {
    position: fixed;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(10, 30, 20, 0.95);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 16px;
    padding: 2rem;
    max-width: 400px;
    width: 90%;
    z-index: 30;
}
.email-prompt p { margin-bottom: 1rem; color: #a0a0a0; }
.email-prompt .input-group { flex-wrap: wrap; }
.email-prompt .input-group input { min-width: 100%; margin-bottom: 0.5rem; }
.email-prompt .input-group .btn { flex: 1; }

/* ── Results Page ── */
.results-page { padding: 5rem 1.5rem 3rem; max-width: 900px; margin: 0 auto; }
.results-page h1 {
    font-size: 2rem;
    color: #7dcea0;
    margin-bottom: 0.5rem;
}
.results-grid { margin: 2rem 0; }

.result-section { margin-bottom: 3rem; }
.result-section h2 {
    font-size: 1.4rem;
    color: #e8e0d0;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    padding-bottom: 0.5rem;
    margin-bottom: 1rem;
}
.result-cards { display: grid; gap: 1rem; }
.result-card {
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 12px;
    padding: 1.5rem;
}
.result-rank { color: #7dcea0; font-weight: 700; font-size: 1.1rem; }
.result-card h3 { margin: 0.5rem 0 0.25rem; }
.result-desc { color: #a0a0a0; font-size: 0.9rem; }
.result-card blockquote {
    margin-top: 0.75rem;
    padding: 0.75rem;
    background: rgba(42, 107, 74, 0.1);
    border-left: 3px solid #2a6b4a;
    border-radius: 4px;
    font-style: italic;
    color: #c0c0c0;
}

.results-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

/* ── Footer ── */
.site-footer {
    text-align: center;
    padding: 1.5rem;
    color: #666;
    font-size: 0.85rem;
    border-top: 1px solid rgba(255,255,255,0.06);
    margin-top: 3rem;
}
.site-footer a { color: #7dcea0; text-decoration: none; }
.site-footer a:hover { color: #a0e8c0; text-decoration: underline; }
.footer-sep { margin: 0 0.5rem; }

/* ── Print Styles ── */
@media print {
    .top-bar, .btn, .results-actions { display: none; }
    body { background: white; color: #1a1a1a; }
    .result-card { border: 1px solid #ddd; }
    .result-section h2 { color: #1a1a1a; }
    .result-rank { color: #2a6b4a; }
    .result-card blockquote { background: #f5f5f5; }
}

/* ── Responsive ── */
@media (max-width: 640px) {
    .hero h1 { font-size: 2rem; }
    .pile-buttons { flex-wrap: wrap; gap: 0.5rem; }
    .pile-btn { font-size: 0.8rem; padding: 0.6rem 0.8rem; }
    .deck-bar { flex-wrap: wrap; gap: 0.5rem; }
}