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i.done{background:var(--success)}.lesson-phone .segs i.now{background:var(--accent)}.lesson-phone .ph-scroll{flex:1 1 auto;overflow:auto;display:flex;flex-direction:column;gap:10px}.lesson-phone .ph-unit{font-size:11px;font-weight:800;letter-spacing:1px;color:var(--muted);margin-top:6px}.lesson-phone h3{font-size:24px}.ph-text{font-size:16px;line-height:1.45;font-weight:600;margin:4px 0 0}.ph-text b{font-weight:900}.ph-tip{background:var(--warn-bg);color:#6b4e00;border-radius:18px;padding:12px 14px;font-weight:700;line-height:1.45;font-size:14px}.ph-small{font-size:13px;font-weight:600;color:var(--muted);line-height:1.4;margin:6px 0 0}.ph-q{font-size:19px;font-weight:800;line-height:1.25;margin:4px 0 10px}.ph-opt{border:2px solid var(--line);border-radius:14px;padding:11px 12px;margin-bottom:8px;font-weight:700;background:#fff;cursor:pointer}.ph-opt.sel{border-color:var(--accent);background:var(--accent-soft)}.ph-opt.right{border-color:var(--success);background:var(--success-soft)}.ph-opt.wrong{border-color:var(--long)}.ph-opt.dim{color:var(--muted)}.ph-fb{border-radius:16px;padding:10px 12px;font-size:14px;font-weight:600;line-height:1.4}.ph-fb b{display:block;font-size:11px;letter-spacing:1px}.ph-fb.right{background:var(--success-soft)}.ph-fb.right b{color:var(--success-ink)}.ph-fb.wrong{background:#ffe9d6}.ph-fb.wrong b{color:var(--long)}.ph-tonal{background:var(--accent-soft);color:var(--accent-deep);border-radius:14px;height:40px;display:flex;align-items:center;justify-content:center;font-weight:800}.ph-missing{background:#f1ece6;border-radius:16px;padding:12px;color:var(--muted);font-weight:700;font-size:13px}.lesson-phone .pbtn{cursor:pointer}.matchrow{display:grid;grid-template-columns:116px 1fr;gap:10px;align-items:baseline;text-align:left;background:none;border:0;border-radius:10px;padding:6px 8px;cursor:pointer;font:inherit}.matchrow:hover{background:var(--ground)}.matchrow code{font-size:11px;color:var(--muted)}.matchrow .latin{font-style:italic;font-weight:600;font-size:14px}.table td.missing-cell{color:var(--danger-ink);background:var(--danger-bg);font-weight:800;font-size:12px;text-transform:uppercase;letter-spacing:.5px}.ph{background:var(--ground);border:1px solid var(--line-strong);border-radius:6px;padding:2px 6px;font-size:12px;color:var(--ink-soft)}.preview-box{background:var(--ground);border:2px solid var(--line);border-radius:14px;padding:12px 14px;font-size:14px;font-weight:600;line-height:1.45}.linkish{background:none;border:0;padding:0;font:inherit;color:var(--accent);font-weight:800;cursor:pointer;text-decoration:underline}