:root{font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Arial,sans-serif;color:#182747;background:#f3f5fb}*{box-sizing:border-box}body{margin:0}button,input,select,textarea{font:inherit}button{cursor:pointer;border:0;border-radius:12px;padding:13px 17px;background:#4d3ca6;color:white;font-weight:700}button:hover{filter:brightness(1.1)}button:disabled{opacity:.4;cursor:default}button.secondary{background:#e9edf8;color:#233663}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #8274f0;outline-offset:2px}.top{max-width:1500px;margin:auto;display:flex;align-items:center;justify-content:space-between;padding:22px 28px;gap:14px}.top a{color:#263967;text-decoration:none;font-weight:700}.top .brand{font-size:25px;color:#192754}.brand span{color:#6953c3}main{max-width:1500px;padding:0 24px 35px;margin:auto}.hero{background:linear-gradient(115deg,#121e44,#352a80 65%,#225878);color:#fff;padding:42px 45px;border-radius:26px;margin-bottom:25px}.eyebrow{font-size:12px;font-weight:800;letter-spacing:2px;color:#6452b8}.hero .eyebrow{color:#b9f5ed}.hero h1{font-size:clamp(30px,4vw,53px);margin:14px 0 12px;line-height:1.1}.hero p{color:#e0e7ff;max-width:760px;line-height:1.65;font-size:17px}.stats{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}.stats span{background:#ffffff19;border:1px solid #ffffff2a;border-radius:30px;padding:9px 14px}.layout{display:grid;grid-template-columns:300px minmax(0,1fr);gap:24px}.filters,.library,.practice{background:#fff;border:1px solid #d9e1f0;border-radius:25px;box-shadow:0 8px 25px #172a4a09}.filters{padding:27px;align-self:start}.filters h2,.library h2{color:#19274c;margin:6px 0 22px}.filters label,.panel label{display:block;font-size:14px;font-weight:700;color:#43567b;margin:18px 0 8px}.filters input:not([type=checkbox]),.filters select,.panel select,.panel textarea{width:100%;border:1px solid #cbd5e9;background:#fff;border-radius:12px;padding:13px;color:#1d2e52}.filters .check{display:flex;align-items:center;gap:8px}.filters .check input{accent-color:#4d3ca6}.note{color:#63728e;font-size:13px;line-height:1.55}.library{padding:30px}.library>p{color:#5c6c88}.quick{display:flex;gap:8px;flex-wrap:wrap;margin:20px 0 25px}.quick button{background:#eaeafa;color:#44358d;padding:10px 12px;font-size:13px}.quick button[aria-pressed=true]{background:#47379a;color:white}.cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px}.card{border:1px solid #d8e1f2;border-radius:18px;padding:20px;display:flex;flex-direction:column;gap:11px}.card:hover{border-color:#8e80d9;box-shadow:0 9px 24px #16224a11}.card h3{color:#1b2952;font-size:18px;line-height:1.4;margin:0}.card p{color:#62718b;margin:0;font-size:14px}.tags{display:flex;flex-wrap:wrap;gap:6px}.tag{background:#f0edff;color:#5745ac;padding:6px 10px;border-radius:30px;font-size:12px}.card .open{align-self:flex-start;margin-top:auto}.pagination,.practice-bottom{display:flex;align-items:center;justify-content:center;gap:18px;margin-top:28px;color:#425578;font-weight:700}.practice{padding:30px;margin-top:26px}.practice-top{display:flex;justify-content:space-between;gap:15px;align-items:start}.practice-top h2{font-size:32px;color:#1b2950;margin:10px 0}.practice-top p{color:#62718b}.practice-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:22px}.panel{border:1px solid #dce3f0;border-radius:20px;padding:24px}.panel h3{font-size:26px;color:#1b2950;margin:14px 0}.panel p{line-height:1.6;color:#52627f}.actions{display:flex;flex-wrap:wrap;gap:9px;margin:17px 0}.coach{background:#f0edff;border-left:4px solid #6651b8;border-radius:10px;padding:17px;margin-top:18px;color:#352a7b}.coach p{margin-bottom:0;color:#37476d}.feedback{margin-top:18px}.token{display:inline-block;margin:4px;padding:8px 10px;border-radius:9px;background:#e6f4eb;color:#23583d;font-weight:650}.token.missing{background:#fff0d9;color:#8b511c}.token.extra{background:#f0e7fb;color:#6d378f}.feedback p{font-size:14px}.feedback strong{color:#42368c}footer{text-align:center;color:#64718d;padding:26px}@media(max-width:900px){.layout{grid-template-columns:1fr}.filters{display:block}.practice-grid{grid-template-columns:1fr}}@media(max-width:650px){main{padding:0 12px}.hero{padding:26px}.library,.filters,.practice{padding:19px}.cards{grid-template-columns:1fr}.top{padding:18px 12px;flex-wrap:wrap}.practice-top{flex-direction:column}.pagination{gap:8px}.panel{padding:18px}}
[hidden]{display:none!important}

/* Phase 10B: phonetics studio */
.phonetics-suite{margin:26px 0;padding:25px;border-radius:22px;background:#fff;border:1px solid #d7dff0;color:#16254a;box-shadow:0 12px 32px rgba(21,31,79,.06)}
.phonetics-suite h3,.phonetics-suite h4,.phonetics-suite strong{color:#16254a!important}
.phonetics-suite p,.phonetics-suite label{color:#52627e!important}
.phon-tabs{display:flex;flex-wrap:wrap;gap:9px;margin:20px 0}
.phonetics-suite button{border:1px solid #c9d3e8;border-radius:11px;padding:10px 15px;background:#edf0fa;color:#223763;font-weight:700;cursor:pointer}
.phonetics-suite button:hover,.phonetics-suite button:focus-visible{outline:2px solid #8272e1;outline-offset:2px}
.phonetics-suite .phon-tab[aria-pressed="true"],.phonetics-suite .phon-primary{background:#46399d;color:#fff;border-color:#46399d}
.phon-panel{background:#f6f8fc;border:1px solid #dfe5f2;border-radius:18px;padding:20px}
.phon-card{background:#fff;border:1px solid #dce3f1;border-radius:15px;padding:18px;margin-top:14px}
.phon-actions{display:flex;flex-wrap:wrap;gap:10px;margin:12px 0}
.phon-choice{width:100%;display:block;text-align:left;margin:8px 0}
.phon-correct{border-left:5px solid #218265;background:#e8f7ef;padding:12px;border-radius:9px}
.phon-incorrect{border-left:5px solid #bd6956;background:#fff0ec;padding:12px;border-radius:9px}
.phon-syllables{display:flex;gap:8px;flex-wrap:wrap;margin:14px 0}.phon-syllables button{font-size:19px;min-width:52px}
.phon-syllables button.phon-stressed{background:#35278a;color:#fff}
.phon-note{font-size:14px;color:#596b88}.phon-score{font-weight:700;color:#43369c}
.phon-region-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
@media(max-width:680px){.phonetics-suite{padding:15px}.phon-region-grid{grid-template-columns:1fr}}