:root{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#172d42;background:#f4f6f8;font-synthesis:none;--navy:#132c43;--lime:#bbec68;--muted:#536579;--line:#dbe2e9;--white:#fff}
*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}button,a,input,select{touch-action:manipulation}a{color:inherit}button,.button{cursor:pointer;border:1px solid var(--line);border-radius:12px;background:white;color:var(--navy);padding:13px 18px;font-weight:650;min-height:46px;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:8px}button:hover,.button:hover{border-color:#718599;background:#edf2f6}button:disabled{opacity:.5;cursor:not-allowed}button.primary,.button.primary{background:var(--navy);color:#fff;border-color:var(--navy)}button.lime,.button.lime{background:var(--lime);color:var(--navy);border-color:var(--lime)}:focus-visible{outline:3px solid #4187bc;outline-offset:4px}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(2rem,5vw,3rem);line-height:1.14;letter-spacing:-.045em;margin-bottom:16px}h2{font-size:1.45rem;letter-spacing:-.025em}h3{font-size:1.15rem}p{line-height:1.6}small,.small{font-size:.875rem}.muted{color:var(--muted)}.masthead{max-width:1120px;margin:auto;padding:28px 32px;display:flex;align-items:center;justify-content:space-between;gap:16px}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;font-size:1.6rem;font-weight:750;letter-spacing:-.05em}.brand-icon{display:grid;place-items:center;background:var(--navy);color:var(--lime);width:44px;height:44px;border-radius:13px;font-size:1.65rem}.language-tag{font-size:.875rem;font-weight:600}.language-tag span{color:var(--muted)}.nav{max-width:1056px;margin:0 auto 34px;display:flex;gap:28px;border-bottom:1px solid var(--line);overflow:auto}.nav a{padding:12px 0 16px;text-decoration:none;font-size:.94rem;color:var(--muted);white-space:nowrap}.nav a[aria-current]{color:var(--navy);font-weight:750;border-bottom:3px solid var(--navy)}main{max-width:1120px;margin:auto;padding:0 32px 40px;min-height:55vh}.intro{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:26px}.intro p{margin-bottom:0}.grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:20px}.panel{background:white;border:1px solid var(--line);border-radius:20px;padding:28px}.panel>p:last-child{margin-bottom:0}.panel-top,.row{display:flex;justify-content:space-between;align-items:center;gap:16px}.section-head{display:flex;justify-content:space-between;gap:16px;align-items:center;margin:34px 0 16px}.section-head h2{margin:0}.routine-row{display:flex;justify-content:space-between;align-items:center;gap:16px;border-bottom:1px solid var(--line);padding:20px 0;text-decoration:none}.routine-row:last-child{border:0}.routine-row h3{margin:0 0 5px}.routine-row p{margin:0;font-size:.875rem}.badge{font-size:.75rem;font-weight:650;background:#edf2f5;padding:6px 10px;border-radius:8px;white-space:nowrap}.badge.active{background:#e5f1d6;color:#385116}.badge.automatised{background:#dcecf8;color:#24516f}.banner{padding:16px 20px;border-radius:14px;border:1px solid #e7d39b;background:#fffaeb;color:#66501f;font-size:.875rem;margin:20px 0;line-height:1.5}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}label{display:block;font-size:.875rem;font-weight:650;margin-bottom:9px}select,input[type=text],input[type=number]{width:100%;min-height:48px;padding:12px;border:1px solid #bdc9d3;border-radius:10px;background:white;color:var(--navy)}.choices{display:flex;gap:8px;flex-wrap:wrap}.choices button[aria-pressed=true]{background:var(--navy);color:white;border-color:var(--navy)}.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px}.card{max-width:720px;margin:auto}.practice{padding:32px;text-align:center;background:white;border:1px solid var(--line);border-radius:24px}.chinese{font-size:clamp(1.7rem,5vw,2.3rem);line-height:1.6;letter-spacing:.01em}.pinyin{font-size:1.05rem;color:#44637a}.meaning{color:var(--muted);font-size:.94rem}.target{padding:24px 0 0;margin-top:24px;border-top:1px solid var(--line)}.target p{margin-bottom:10px}.center{justify-content:center}.level-list{display:flex;flex-direction:column;gap:10px}.level-list button{text-align:left;justify-content:space-between}.level-list button[aria-pressed=true]{border:2px solid var(--navy)}details{margin-top:20px}summary{cursor:pointer;font-size:.9rem;padding:10px 0;font-weight:650}.check{display:flex;gap:10px;align-items:center;font-weight:500;line-height:1.5}.check input{width:19px;height:19px;accent-color:var(--navy)}.empty{text-align:center;padding:50px 24px}.empty p{max-width:460px;margin:0 auto 24px}#notice{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);background:#132c43;color:white;border-radius:12px;max-width:90vw;padding:14px 20px;z-index:5;box-shadow:0 4px 30px #0003}#notice:empty{display:none}#player{max-width:1056px;margin:0 auto 30px;background:#fff;border:2px solid var(--navy);border-radius:20px;padding:24px}#player audio{width:100%;margin-top:14px}#player h2{margin:6px 0 16px}progress{width:100%;height:7px;accent-color:var(--navy)}footer{max-width:1120px;margin:auto;padding:24px 32px 40px;display:flex;justify-content:space-between;gap:20px;color:var(--muted);font-size:.8rem;border-top:1px solid var(--line)}.status-line{font-size:.875rem;color:var(--muted);margin-top:12px}.text-link{background:transparent;border:0;padding:8px;text-decoration:underline}.divider{border:0;border-top:1px solid var(--line);margin:26px 0}#player[hidden],[hidden]{display:none!important}
@media(max-width:700px){.masthead{padding:22px 20px}.brand{font-size:1.4rem}.nav{margin:0 20px 26px;gap:25px}main{padding:0 20px 28px}.grid,.form-grid{grid-template-columns:1fr}.panel{padding:23px}.intro{align-items:start}.intro .muted{max-width:280px}.practice{padding:26px 20px}.section-head{margin-top:28px}.routine-row{align-items:start}.routine-row h3{font-size:1rem}.routine-row .badge{font-size:.7rem}.language-tag{font-size:.8rem}footer{padding:24px 20px;flex-direction:column;gap:10px}#player{margin:0 20px 28px}.form-grid .span-two{grid-column:auto}.actions>*{flex:1}.row{flex-wrap:wrap}}
@media(prefers-reduced-motion:no-preference){button,a{transition:background .15s,border-color .15s}}

/* Personal-use layout */
h1{font-size:1.8rem;letter-spacing:-.025em;line-height:1.3;margin-bottom:10px}
.masthead{padding-top:20px;padding-bottom:18px}.brand{font-size:1.35rem;letter-spacing:-.025em}.brand-icon{width:36px;height:36px;font-size:1.3rem;border-radius:9px}
.nav{margin-bottom:24px}.intro{margin-bottom:20px}.section-label{font-size:1rem;font-weight:650;letter-spacing:normal;margin-bottom:12px}.section-head{margin-top:26px}
.mode-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.mode-link{display:block;padding:22px;background:#fff;border:1px solid var(--line);border-radius:14px;text-decoration:none}.mode-link:hover{border-color:#718599;background:#edf2f6}.mode-link h2{font-size:1.2rem;margin:0 0 8px}.mode-link p{font-size:.9rem;color:var(--muted);margin:0}.banner{background:#edf2f5;border-color:var(--line);color:var(--muted);padding:12px 16px}
footer{justify-content:flex-end;font-size:.875rem}.panel,.practice{border-radius:16px}.empty{padding:28px 20px}
@media(max-width:700px){.mode-grid{grid-template-columns:1fr;gap:10px}.mode-link{padding:16px 18px;display:flex;align-items:center;justify-content:space-between;gap:14px}.mode-link h2{margin:0}.mode-link p{text-align:right}.masthead{padding:18px 20px}.nav{margin-bottom:22px}footer{align-items:flex-start}.intro .muted{max-width:none}}

.nav{width:calc(100% - 64px)}
@media(max-width:700px){.nav{width:auto}}