/* Geology & Earth Science Lab — Premium Styles */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&display=swap');

:root { --geo-accent: #f97316; --geo-accent2: #dc2626; --geo-earth: #22c55e; }

.text-gradient {
  background: linear-gradient(135deg, #f97316 0%, #dc2626 40%, #22c55e 70%, #06b6d4 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}

/* Tabs */
.geo-tabs { display: flex; gap: 4px; padding: 6px; overflow-x: auto; }
.geo-tab-btn {
  flex: 1; min-width: 100px; padding: 10px 12px; font-size: 0.82rem; border-radius: var(--radius-md);
  background: transparent; border: 1px solid var(--color-border); color: var(--color-text);
  cursor: pointer; transition: all 0.25s; white-space: nowrap; font-family: 'Outfit',system-ui;
}
.geo-tab-btn.active { background: linear-gradient(135deg, #f97316, #dc2626); color: #fff; border-color: #f97316; box-shadow: 0 4px 15px rgba(249,115,22,0.3); }
.geo-tab-btn:hover:not(.active) { border-color: #f97316; background: rgba(249,115,22,0.1); }
.geo-tab-content.hidden { display: none !important; }

/* Layouts */
.volcano-layout, .seismic-layout { display: grid; grid-template-columns: 1fr 280px; gap: 20px; align-items: start; }
@media (max-width: 900px) { .volcano-layout, .seismic-layout { grid-template-columns: 1fr; } }

.section-desc { color: var(--color-text-secondary); font-size: 0.88rem; margin-bottom: 16px; }

canvas { border-radius: var(--radius-lg); border: 1px solid var(--color-border); display: block; width: 100%; background: #0a0a14; }

/* Controls */
.volcano-controls, .seismic-controls { display: flex; flex-direction: column; gap: 14px; }
.control-row { display: flex; flex-direction: column; gap: 4px; }
.control-row label { font-size: 0.75rem; font-weight: 600; color: var(--color-text-secondary); text-transform: uppercase; letter-spacing: 0.05em; }
.control-row input[type="range"] { width: 100%; height: 6px; -webkit-appearance: none; background: rgba(255,255,255,0.1); border-radius: 3px; outline: none; }
.control-row input[type="range"]::-webkit-slider-thumb { -webkit-appearance: none; width: 16px; height: 16px; border-radius: 50%; background: var(--geo-accent); cursor: pointer; box-shadow: 0 0 8px rgba(249,115,22,0.4); }
.control-row span { font-size: 0.8rem; color: var(--geo-accent); font-weight: 600; text-align: right; }

/* Info Panel */
.info-panel { padding: 14px; background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-md); font-size: 0.85rem; color: var(--color-text-secondary); margin-top: 12px; line-height: 1.5; }

/* Minerals */
.mineral-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 10px; margin-bottom: 16px; }
.mineral-card {
  padding: 16px 10px; text-align: center; border-radius: var(--radius-lg); cursor: pointer;
  background: var(--color-surface); border: 2px solid var(--color-border); transition: all 0.3s;
}
.mineral-card:hover { transform: translateY(-4px); border-color: var(--geo-accent); box-shadow: 0 8px 25px rgba(0,0,0,0.2); }
.mineral-card.selected { border-color: var(--geo-accent); background: rgba(249,115,22,0.1); }
.mineral-emoji { font-size: 2rem; display: block; margin-bottom: 6px; }
.mineral-name { font-weight: 700; font-size: 0.82rem; }

/* Quiz */
.quiz-card { max-width: 600px; }
.quiz-question { font-size: 1.05rem; font-weight: 600; margin-bottom: 14px; line-height: 1.4; }
.quiz-options { display: flex; flex-direction: column; gap: 8px; }
.quiz-options button {
  padding: 10px 16px; text-align: left; border: 1px solid var(--color-border); border-radius: var(--radius-md);
  background: var(--color-surface); color: var(--color-text); font-size: 0.88rem; cursor: pointer; transition: all 0.2s;
}
.quiz-options button:hover:not(:disabled) { border-color: var(--geo-accent); background: rgba(249,115,22,0.1); }
.quiz-options button.correct { border-color: #22c55e; background: rgba(34,197,94,0.15); }
.quiz-options button.wrong { border-color: #ef4444; background: rgba(239,68,68,0.15); }
.quiz-options button:disabled { cursor: default; opacity: 0.8; }
.quiz-feedback { padding: 10px; font-weight: 700; text-align: center; margin-top: 10px; }
.quiz-score-badge { font-size: 0.75rem; color: var(--geo-accent); font-weight: 400; }

/* Plate info */
.plate-info { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 10px; margin-top: 16px; }
.plate-card { padding: 14px; background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-md); cursor: pointer; transition: all 0.2s; }
.plate-card:hover { border-color: var(--geo-accent); transform: translateY(-2px); }

.hidden { display: none !important; }
.mt-3 { margin-top: 12px; }