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var(--border)}.stu-tag.high{background:#fef2f2;color:var(--high);border-color:#f6cccc}.stu-tag.mid{background:#fffbeb;color:var(--mid);border-color:#f3ddb0}.stu-tag.low{background:#f0fdf4;color:var(--low);border-color:#bfe6c8}.stu-tag.new{background:#eef2ff;color:var(--primary);border-color:#c7d2fe}.stu-card-front{font-size:24px;font-weight:700;text-align:center;line-height:1.5;padding:20px 10px;color:var(--text)}.stu-show-btn{max-width:240px;margin-top:10px}.stu-card-back{width:100%;background:#fff;border:1px solid var(--border);border-radius:14px;padding:16px;margin-top:8px}.stu-card-back-label{font-size:12px;color:var(--muted);margin-bottom:8px}.stu-card-back-text{font-size:15px;line-height:1.8;color:var(--text);white-space:pre-wrap}.stu-card-mnemonic{margin-top:12px;padding:10px 12px;background:#fffbeb;border-radius:8px;font-size:13px;color:#92660b}.stu-rating-bar{display:flex;gap:10px;margin-top:16px}.stu-rating-btn{flex:1;padding:14px 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8px;border-radius:4px;font-weight:600}.dash-badge.ok{background:#f0fdf4;color:var(--low)}.dash-badge.warn{background:#fffbeb;color:var(--mid)}.dash-badge.idle{background:#f0f1f3;color:var(--muted)}.dash-rate-bar{display:inline-block;width:60px;height:6px;background:#eef0f3;border-radius:3px;overflow:hidden;vertical-align:middle;margin-right:8px}.dash-rate-fill{display:block;height:100%;background:var(--danger)}