.practice-container {
    max-width: 1280px;
}
.practice-hero {
    background: linear-gradient(135deg, #eef6ff, #ffffff 65%, #fff7e6);
    border: 1px solid #c9def5;
    border-left: 6px solid #004d99;
    border-radius: 16px;
    padding: 22px;
    margin: 18px 0;
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 18px;
    align-items: center;
}
.practice-hero img {
    max-width: 170px;
    background: #ffffff;
    border: 1px solid #d7e5f4;
    border-radius: 14px;
    padding: 10px;
    box-shadow: 0 4px 12px rgba(0,0,0,.08);
}
.practice-hero h2 { margin: 0 0 8px; }
.practice-hero p { margin: 6px 0; }
.practice-intro-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 14px;
    margin: 18px 0 24px;
}
.practice-intro-card {
    background: #ffffff;
    border: 1px solid #d7e5f4;
    border-radius: 14px;
    padding: 16px;
    box-shadow: 0 1px 4px rgba(0,0,0,.06);
}
.practice-intro-card .icon { font-size: 2rem; display: block; margin-bottom: 8px; }
.practice-game {
    --quest-bg:#f4f7fb;
    --quest-panel:#ffffff;
    --quest-ink:#132033;
    --quest-muted:#5c6b82;
    --quest-brand:#2563eb;
    --quest-brand2:#1e40af;
    --quest-good:#15803d;
    --quest-bad:#b91c1c;
    --quest-warn:#b45309;
    --quest-line:#dbe3ef;
    background: var(--quest-bg);
    color: var(--quest-ink);
    border: 1px solid #c9def5;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 35px rgba(15,23,42,.08);
    margin: 24px 0;
}
.practice-game * { box-sizing: border-box; }
.practice-game .quest-topbar {
    display:flex;
    justify-content:space-between;
    gap:20px;
    align-items:center;
    padding:24px 32px;
    background:linear-gradient(135deg,#0f172a,#1d4ed8);
    color:white;
}
.practice-game .quest-title-wrap {
    display:flex;
    gap:16px;
    align-items:center;
}
.practice-game .quest-logo {
    width: 150px;
    max-width: 34vw;
    background: #ffffff;
    border-radius: 14px;
    padding: 8px 10px;
}
.practice-game .quest-topbar h2 { margin:0; font-size:30px; color:#ffffff; }
.practice-game .quest-topbar p { margin:8px 0 0; color:#dbeafe; max-width:820px; }
.practice-game .author-line{font-weight:700;color:#fff!important}
.practice-game .layout{display:grid;grid-template-columns:310px 1fr;gap:24px;padding:24px;max-width:1280px;margin:0 auto}
.practice-game .sidebar{display:flex;flex-direction:column;gap:16px}
.practice-game .card,.practice-game .game-card,.practice-game .modal-card{background:var(--quest-panel);border:1px solid var(--quest-line);box-shadow:0 10px 30px rgba(15,23,42,.07);border-radius:18px;padding:20px}
.practice-game .card h2{margin:0 0 12px;font-size:18px;color:#004d99}
.practice-game .card p,.practice-game .card li{color:var(--quest-muted);line-height:1.5}
.practice-game .stage-pill{display:inline-block;background:#dbeafe;color:#1d4ed8;font-weight:700;padding:8px 12px;border-radius:999px;margin-bottom:14px}
.practice-game .progress-wrap{height:12px;background:#e5e7eb;border-radius:999px;overflow:hidden}
.practice-game .progress-wrap div{height:100%;width:0;background:linear-gradient(90deg,#22c55e,#2563eb);transition:.25s}
.practice-game .score{font-size:18px;color:var(--quest-ink)!important}
.practice-game .game-card{min-height:720px}
.practice-game .stage-banner{display:inline-block;padding:8px 12px;border-radius:999px;background:#eef2ff;color:#3730a3;font-weight:800;margin-bottom:16px}
.practice-game #questionTitle{font-size:26px;margin:0 0 10px;color:#004d99}
.practice-game .question-text{font-size:18px;line-height:1.55;color:#26364d}
.practice-game .formula-box{background:#f8fafc;border:1px dashed #94a3b8;border-radius:14px;padding:14px;margin:12px 0;font-family:"Courier New",monospace;color:#0f172a}
.practice-game .options{display:grid;gap:12px;margin:18px 0}
.practice-game .option{padding:14px 16px;border:2px solid var(--quest-line);border-radius:14px;background:#fff!important;color:#132033!important;cursor:pointer;font-size:16px;text-align:left}
.practice-game .option:hover{border-color:#93c5fd;background:#eff6ff!important;color:#132033!important}
.practice-game .option.selected{border-color:var(--quest-brand);background:#dbeafe!important;color:#132033!important}
.practice-game .numeric-area{display:grid;grid-template-columns:repeat(2,minmax(230px,1fr));gap:14px;margin:18px 0}
.practice-game .numeric-area label{font-weight:700;color:#334155}
.practice-game .numeric-area input{display:block;width:100%;padding:12px;margin-top:8px;border:1px solid #cbd5e1;border-radius:12px;font-size:16px;background:#fff;color:#111827}
.practice-game .draw-area{margin-top:16px}
.practice-game .draw-tools{display:flex;gap:12px;align-items:flex-start;justify-content:space-between;margin-bottom:10px;color:var(--quest-muted);flex-wrap:wrap}
.practice-game .draw-tool-controls{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.practice-game .tool-label{font-weight:800;color:#334155}
.practice-game .tool-btn{padding:9px 13px}
.practice-game .tool-btn.active-tool{background:#2563eb!important;color:#fff!important;box-shadow:0 0 0 3px rgba(37,99,235,.14)}
.practice-game .clear-drawing-btn{margin-left:4px}
.practice-game #drawHint{flex:1;min-width:220px;text-align:right;padding-top:10px}
.practice-game .draw-note{font-size:14px;color:#64748b;margin:8px 0 0}
.practice-game canvas{width:100%;height:auto;background:#fff;border:1px solid #cbd5e1;border-radius:16px;touch-action:none}
.practice-game .actions{display:flex;gap:12px;margin-top:18px;flex-wrap:wrap}
.practice-game button{border:0;border-radius:14px;background:var(--quest-brand);color:white;font-weight:800;padding:13px 18px;cursor:pointer;font-size:15px}
.practice-game button:hover{background:var(--quest-brand2)}
.practice-game button.secondary{background:#0f766e}
.practice-game button.secondary:hover{background:#115e59}
.practice-game button.ghost{background:#e2e8f0;color:#0f172a}
.practice-game button.ghost:hover{background:#cbd5e1}
.practice-game .feedback{margin-top:18px;border-radius:14px;padding:16px;font-size:16px;line-height:1.55}
.practice-game .feedback.good{background:#dcfce7;border:1px solid #86efac;color:#14532d}
.practice-game .feedback.bad{background:#fee2e2;border:1px solid #fecaca;color:#7f1d1d}
.practice-game .feedback.info{background:#ffedd5;border:1px solid #fdba74;color:#7c2d12}
.practice-game .hidden{display:none!important}
.practice-game .modal{position:fixed;inset:0;background:rgba(15,23,42,.65);display:grid;place-items:center;padding:20px;z-index:2500}
.practice-game .modal-card{background:white;border-radius:22px;padding:34px;max-width:520px;text-align:center;box-shadow:0 30px 80px rgba(0,0,0,.35)}
.practice-game .modal-card h2{font-size:34px;margin:0 0 10px;color:#004d99}
.practice-game .final-marks-box{margin:22px auto 20px;padding:20px 24px;max-width:330px;border:2px solid #bfdbfe;border-radius:18px;background:#eff6ff}
.practice-game .final-marks-label{margin:0 0 6px;color:#1e40af;font-size:17px;font-weight:800;text-transform:uppercase;letter-spacing:.04em}
.practice-game .final-score{margin:0;color:#0f172a;font-size:46px;font-weight:900;line-height:1.1}
.practice-game .final-percentage{margin:8px 0 0;color:#2563eb;font-size:26px;font-weight:900}
@media(max-width:900px){.practice-game .layout{grid-template-columns:1fr}.practice-game .quest-topbar{flex-direction:column;align-items:flex-start}.practice-game .numeric-area{grid-template-columns:1fr}.practice-game .quest-title-wrap{align-items:flex-start;flex-direction:column}.practice-game #drawHint{width:100%;text-align:left;padding-top:0}}
@media(max-width:700px){.practice-hero{grid-template-columns:1fr}.practice-hero img{max-width:155px}.practice-game .quest-topbar h2{font-size:24px}}

.practice-library { display:grid; grid-template-columns:repeat(auto-fit,minmax(260px,1fr)); gap:18px; margin:24px 0; }
.practice-activity-card { background:#fff; border:1px solid #d7e5f4; border-radius:18px; padding:20px; box-shadow:0 8px 24px rgba(15,23,42,.08); display:flex; flex-direction:column; gap:10px; }
.practice-activity-card .activity-icon { font-size:2.4rem; }
.practice-activity-card h3 { margin:0; color:#004d99; }
.practice-activity-card p { margin:0; color:#34445c; line-height:1.55; }
.practice-activity-card .activity-meta { display:flex; flex-wrap:wrap; gap:8px; margin:4px 0 10px; }
.practice-activity-card .activity-meta span { background:#eef6ff; color:#004d99; border:1px solid #c9def5; border-radius:999px; padding:6px 10px; font-size:.9rem; font-weight:700; }
.practice-activity-card .start-practice-btn { display:inline-block; margin-top:auto; text-decoration:none; background:#004d99; color:white; padding:12px 16px; border-radius:12px; font-weight:800; text-align:center; }
.practice-activity-card .start-practice-btn:hover { background:#003366; }
.coming-soon-card { opacity:.78; }
.coming-soon-card .start-practice-btn { background:#e2e8f0; color:#334155; pointer-events:none; }