:root{--bg: #f5f4f0;--panel: #ffffff;--ink: #1c1b18;--muted: #6f6b62;--accent: #b03a2e;--accent-dark: #8c2c23;--active: #fff3c4;--line: #e4e1d8;--radius: 12px;--shadow: 0 1px 3px rgba(0, 0, 0, .08), 0 4px 16px rgba(0, 0, 0, .06)}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--ink);line-height:1.5}header.site{background:var(--panel);border-bottom:1px solid var(--line);padding:14px 24px;display:flex;align-items:center;justify-content:space-between;gap:16px}header.site h1{font-size:18px;margin:0}header.site h1 a{color:var(--ink);text-decoration:none}header.site nav{display:flex;gap:8px}header.site nav a{color:var(--muted);text-decoration:none;padding:6px 12px;border-radius:8px;font-weight:500}header.site nav a:hover,header.site nav a.active{background:var(--bg);color:var(--ink)}main{max-width:860px;margin:0 auto;padding:28px 16px 80px}.page-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:20px}.page-head h2{margin:0}.lesson-card{display:block;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px 18px;margin-bottom:14px;color:inherit;text-decoration:none}.lesson-card:hover{border-color:var(--accent)}.lesson-card .row{display:flex;align-items:center;justify-content:space-between;gap:12px}.lesson-card h3{margin:0 0 4px;font-size:17px}.lesson-card .meta{color:var(--muted);font-size:13px}.badge{display:inline-block;background:var(--accent);color:#fff;border-radius:999px;padding:2px 10px;font-size:12px;font-weight:600}.player-panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px}.transcript{max-height:52vh;overflow-y:auto;padding:6px 2px 40px;font-size:20px;line-height:1.9;user-select:none}.transcript.blurred .wd{filter:blur(6px);cursor:pointer}.script-line{margin:12px 0}.script-line .speaker{display:block;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--accent);margin-bottom:2px}.script-line:nth-child(odd) .speaker{color:#2e63a3}.script-line:nth-child(2n) .speaker{color:#a5632e}.line-words{font-size:19px;line-height:1.9}.wd{padding:1px 2px;border-radius:4px;cursor:pointer;transition:background .1s ease}.wordwrap{white-space:normal}.wd.active{background:var(--active);border-radius:4px;box-shadow:0 0 0 1px #e4c74a inset}.wd.saved{text-decoration:underline wavy var(--muted);text-underline-offset:3px}.controls{border-top:1px solid var(--line);margin-top:14px;padding-top:14px}.time-row{display:flex;align-items:center;gap:12px;margin-bottom:12px}.time-row .time{font-variant-numeric:tabular-nums;color:var(--muted);font-size:13px}.progress{flex:1;height:10px;background:var(--line);border-radius:999px;cursor:pointer;overflow:hidden}.progress .fill{height:100%;width:0;background:var(--accent);border-radius:999px}.btn-row{display:flex;flex-wrap:wrap;align-items:center;gap:8px}button.btn{appearance:none;border:1px solid var(--line);background:var(--panel);color:var(--ink);font:inherit;font-size:14px;padding:8px 14px;border-radius:8px;cursor:pointer}button.btn:hover{border-color:var(--accent)}button.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:600}button.btn.primary:hover{background:var(--accent-dark)}button.btn.small{padding:5px 10px;font-size:13px}button.btn.active{background:var(--active);border-color:#d9bf42}button.btn[disabled]{opacity:.45;cursor:not-allowed}.speed{display:flex;gap:4px;margin-left:auto}.speed .btn{min-width:46px;text-align:center}.loop-chip{font-size:13px;color:var(--muted);margin-left:auto;font-variant-numeric:tabular-nums}.reveal-btn{margin-top:12px}.vocab-list{list-style:none;margin:0;padding:0}.vocab-list li{display:flex;align-items:center;justify-content:space-between;gap:12px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:12px 16px;margin-bottom:10px}.vocab-list .word{font-weight:600;font-size:16px}.vocab-list .note{color:var(--muted);font-size:13px}.empty{color:var(--muted);background:var(--panel);border:1px dashed var(--line);border-radius:var(--radius);padding:40px;text-align:center}.flash{padding:12px 16px;border-radius:var(--radius);margin-bottom:16px;font-weight:500}.flash-info{background:#eef3fb;color:#1f3a6b;border:1px solid #c9d8ef}.flash-error{background:#fbeceb;color:#7a2a22;border:1px solid #f0c9c4}.back{color:var(--muted);text-decoration:none;font-size:14px}.back:hover{color:var(--accent)}.questions{margin-top:28px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px 20px}.q-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px}.q-head h3{margin:0 0 6px}.score{color:var(--muted);font-size:14px;font-weight:600}.q-instruction{color:var(--muted);font-size:14px;font-style:italic;margin:0 0 14px}.q-list{list-style:none;margin:0;padding:0}.q-item{display:flex;align-items:center;gap:10px;padding:12px 0;border-top:1px solid var(--line)}.q-item:first-child{border-top:none}.q-form{display:flex;align-items:center;gap:10px;flex:1}.q-number{font-weight:700;color:var(--accent)}.q-prompt{display:flex;align-items:center;gap:8px;flex:1;flex-wrap:wrap}.q-prompt input{font:inherit;font-size:15px;padding:6px 10px;border:1px solid var(--line);border-radius:8px;width:170px}.q-prompt input:focus{outline:none;border-color:var(--accent)}.q-result{font-size:13px;font-weight:600;white-space:nowrap}.q-result.ok{color:#1a7f37}.q-result.wrong{color:#b03a2e}.q-result.too_many{color:#9a6b00}.questions>.btn{margin-top:10px}