:root{--study-ink:#533c31;--study-muted:#8b7967;--study-line:#eee2cd}body{background:#fcf8ef;color:var(--study-ink)}main{max-width:1180px;margin:0 auto}h1,h2,h3{letter-spacing:-.025em}p{line-height:1.8}nav{gap:8px}nav a{border-radius:16px;padding:14px 16px!important;font-size:14px}nav a.active{background:#ffe7b5!important;color:#8f4e13!important;font-weight:800}.bottom-nav a.active{color:#e67b0c}.study-welcome{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:25px}.study-welcome h1{font-size:32px;margin:10px 0}.study-welcome p{margin:0;color:var(--study-muted)}.study-avatar-link img{width:62px;height:62px;border:4px solid white;border-radius:50%;object-fit:cover}.study-daily-hero{display:grid;grid-template-columns:1.6fr 1fr;align-items:center;background:radial-gradient(circle at 87% 40%,#ffdc79,transparent 45%),linear-gradient(120deg,#fff0c3,#ffe6a3);border:1px solid #f5dca2;border-radius:30px;padding:36px 40px;overflow:hidden;position:relative}.study-daily-hero h2{font-size:35px;line-height:1.3;margin:20px 0 12px}.study-daily-hero p{max-width:430px;color:#876143}.study-daily-hero img{width:100%;max-width:255px;justify-self:center;filter:drop-shadow(0 13px 13px #d9902c26)}.study-daily-hero .primary{display:inline-flex;width:auto;min-width:215px;align-items:center;justify-content:center;text-decoration:none}.study-daily-hero small{display:block;font-size:11px;margin-top:17px;color:#987040}.study-daily-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px;margin:20px 0 35px}.study-daily-step{display:flex;align-items:center;gap:12px;padding:19px 16px;background:#fff;border:1px solid var(--study-line);border-radius:21px;color:inherit;text-decoration:none}.study-daily-step>span{font-size:24px;background:#fff4df;min-width:46px;height:46px;display:grid;place-items:center;border-radius:15px}.study-daily-step small{font-size:9px;letter-spacing:.1em;color:#a08b70}.study-daily-step strong{display:block;font-size:14px;margin:4px 0}.study-daily-step p{font-size:11px;color:var(--study-muted);margin:0}.study-daily-step b{margin-left:auto;color:#cf9850}.study-daily-step.done{border-color:#bcd9b3;background:#f4faee}.study-section-title{display:flex;align-items:center;justify-content:space-between;gap:12px}.study-section-title h2{font-size:23px}.study-section-title>span{font-size:11px;color:var(--study-muted)}.study-card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:17px;margin:18px 0 28px}.study-tool{position:relative;display:flex;flex-direction:column;gap:9px;padding:25px;border:1px solid var(--study-line);border-radius:24px;text-decoration:none;color:var(--study-ink);background:#fff;transition:transform .18s,border-color .18s;min-width:0}.study-tool:hover{transform:translateY(-3px);border-color:#f2bc66}.study-tool-icon{font-size:28px;width:59px;height:59px;display:grid;place-items:center;background:#fff2d7;border-radius:20px;margin-bottom:6px}.study-tool strong{font-size:18px}.study-tool small,.study-tool p{font-size:12px;color:#8d7c68;line-height:1.7;margin:0}.study-tool>b{position:absolute;right:22px;top:24px;font-size:18px;color:#b89870}.study-tool.peach{background:#fff4e5}.study-tool.mint{background:#f0f8ec}.study-tool.lavender{background:#f4f0fb}.study-tool.butter{background:#fff9dd}.study-tool.rose{background:#fff0f1}.study-progress-strip{display:flex;align-items:center;gap:18px;padding:22px;background:white;border:1px solid var(--study-line);border-radius:23px;margin-top:24px}.study-progress-strip img{width:66px}.study-progress-strip strong{font-size:14px}.study-progress-strip p{font-size:12px;color:var(--study-muted);margin:5px 0}.study-progress-strip a{margin-left:auto;white-space:nowrap;font-size:12px;color:#bd791f}.study-group-return,.study-back{display:inline-block;text-decoration:none;color:#a4763c;font-size:12px;margin-bottom:18px}.study-report{margin-top:25px;padding:17px!important;background:#fffdf9;font-size:12px}.study-report summary{cursor:pointer;color:#9a846e}.study-report textarea{width:100%;resize:vertical}.study-report form{max-width:650px}.study-report button{font-size:12px;width:auto}.study-filter{display:flex;gap:9px;flex-wrap:wrap;margin:20px 0}.study-filter button{width:auto;box-shadow:none;border-radius:99px;font-size:12px;padding:10px 19px}.study-filter [aria-pressed=true]{background:#ffa929;border-color:#ffa929;color:#633906}.story-illustration{font-size:65px;display:grid;place-items:center;min-height:125px;border-radius:17px;background:linear-gradient(125deg,#fff0ca,#f5e8d5);margin-bottom:12px}.story-cover:nth-child(2n) .story-illustration{background:linear-gradient(125deg,#e1f2e2,#f5efcc)}.story-reader{padding:30px}.story-reader-banner{display:flex;align-items:center;justify-content:center;gap:20px;background:#fff2d6;border-radius:20px;padding:18px;font-size:54px}.story-reader-banner span{font-size:14px;color:#9b7b4b}.story-toggles{display:flex;gap:22px;margin:20px 0}.story-toggles label{display:flex;align-items:center;gap:8px;font-size:13px}.story-toggles input{width:auto}.story-line{padding:22px 0;border-bottom:1px solid #f0e7d6}.story-chinese{font-size:25px;line-height:1.9}.story-word{display:inline!important;border:0;border-bottom:2px dotted #ecae39;border-radius:3px;background:#fff0ca;font:inherit;padding:0 3px;min-height:0;box-shadow:none;width:auto!important;color:#93591c}.story-listen{width:auto!important;display:inline!important;padding:5px 10px!important;border:0!important;box-shadow:none!important;background:#fff4dd;font-size:15px;margin-left:12px}.story-pinyin{color:#c88b41;font-size:15px;margin:8px 0}.story-vietnamese{font-size:15px;color:#8f8071;margin:8px 0}.story-line [hidden]{display:none}.story-vocab,.study-sound-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:20px 0}.story-vocab button{display:flex;flex-direction:column;gap:7px;background:#fff8eb;box-shadow:none}.story-vocab strong{font-size:21px}.story-vocab span{font-size:13px;color:#b17f40}.story-vocab small{font-size:12px;font-weight:400}.story-word-popup{padding:18px;border-radius:18px;background:#edf7e8;margin-top:18px}.story-word-popup button{width:auto;font-size:12px;margin-right:9px;box-shadow:none}.study-explanation{font-size:16px;max-width:800px}.study-sound-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.study-sound-grid article{padding:20px 12px;border-radius:18px;background:#fff5e3;text-align:center}.study-sound-grid strong{font-size:35px;display:block}.study-sound-grid span{color:#c28134;display:block;font-size:21px;margin:10px 0}.study-sound-grid p{font-size:12px;min-height:43px}.study-sound-grid button{font-size:12px;box-shadow:none}.study-question{margin-top:30px;padding-top:24px;border-top:1px solid var(--study-line)}.study-choices{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0}.study-choices button{width:auto;box-shadow:none;background:#fff8e9}.study-question .primary{width:auto}#cloud-sync{padding:11px 17px;margin-bottom:24px;background:#fffdf9;border:1px solid #eee5d4;border-radius:16px}#cloud-sync small{display:none}#cloud-sync strong{font-size:11px}#cloud-sync p{font-size:11px;margin:3px 0}#cloud-sync .actions{gap:7px}#cloud-sync button,#cloud-sync a{font-size:11px;padding:7px 11px;min-height:30px;box-shadow:none}body[data-study-route=account] #cloud-sync small{display:block;font-size:11px}.moderation-list article{padding:18px;border:1px solid var(--study-line);border-radius:16px;margin:12px 0;overflow-wrap:anywhere}.moderation-list p{white-space:pre-wrap;font-size:13px}.moderation-list button{width:auto;font-size:12px;margin:4px;box-shadow:none}.moderation-list details{font-size:12px}.moderation-list textarea{width:100%}
@media(max-width:900px){.study-daily-grid{grid-template-columns:1fr}.study-card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.study-daily-hero{padding:25px}.study-daily-hero h2{font-size:29px}.study-section-title>span{display:none}.study-progress-strip{flex-wrap:wrap}.study-progress-strip a{margin-left:0}.study-sound-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:550px){.study-welcome h1{font-size:25px}.study-welcome p{font-size:12px}.study-avatar-link img{width:47px;height:47px}.study-daily-hero{grid-template-columns:1fr;padding:24px;border-radius:24px}.study-daily-hero>img{width:130px;position:absolute;right:5px;top:9px;opacity:.26;pointer-events:none}.study-daily-hero>div{position:relative;z-index:1}.study-daily-hero h2{font-size:29px}.study-daily-hero p{font-size:13px}.study-card-grid{gap:11px}.study-tool{padding:18px 14px;border-radius:20px}.study-tool strong{font-size:15px}.study-tool small{font-size:11px}.study-tool>b{right:12px;top:16px}.study-tool-icon{width:47px;height:47px;font-size:24px;border-radius:16px}.story-illustration{font-size:48px;min-height:105px}.study-section-title h2{font-size:21px}.study-daily-step{padding:15px}.story-reader{padding:18px!important}.story-reader-banner{gap:12px;font-size:40px}.story-reader-banner span{font-size:12px}.story-chinese{font-size:23px}.story-vocab{grid-template-columns:1fr}.story-pinyin,.story-vietnamese{font-size:14px}.study-choices{display:grid;grid-template-columns:1fr}.study-choices button{width:100%}.study-report{padding:14px!important}#cloud-sync .actions{margin-top:4px}.bottom-nav{grid-template-columns:repeat(5,1fr)}.bottom-nav a{font-size:10px}}
@media(prefers-reduced-motion:reduce){.study-tool{transition:none}.study-tool:hover{transform:none}}

.study-welcome h1,.study-daily-hero h2,.study-section-title h2,.study-tool strong,.story-reader h3{font-family:Arial,sans-serif;font-weight:800}.study-daily-hero a.button.primary{background:linear-gradient(135deg,#ffb633,#ff8b15)!important;color:#fff!important;border:0;box-shadow:0 4px 0 #e5871d}.study-daily-hero a.button.primary:hover{background:#f39419!important}.study-tool p{font-family:Arial,sans-serif}.study-daily-step.done>span{background:#e1f0d9;color:#5f8d48}aside>.aside-note{display:none}

@media(max-width:550px){main{padding:22px 18px!important}.study-welcome{margin-bottom:18px;gap:10px}.study-welcome h1{font-size:23px;margin:7px 0}.study-welcome .eyebrow{font-size:9px;letter-spacing:1px}.study-welcome p{font-size:11px}.study-daily-hero{padding:21px}.study-daily-hero h2{font-size:25px;line-height:1.3;margin:16px 0 10px}.study-daily-hero p{font-size:12px;line-height:1.6;margin:10px 0 16px}.study-daily-hero>img{width:85px;opacity:.16}.study-daily-hero small{margin-top:12px;font-size:10px}#cloud-sync{padding:10px 13px;margin-bottom:10px}#cloud-sync .actions{margin-top:5px}#cloud-sync strong{display:none}#cloud-sync p{font-size:10px;line-height:1.5}.study-daily-hero a.button.primary{min-width:0;width:100%;font-size:14px}body[data-study-route=home] #cloud-sync:not(:has(#cloud-signin)) .actions{display:none}.study-daily-grid{margin:14px 0 25px}.study-progress-strip img{width:45px}.study-progress-strip{padding:17px;gap:12px}}

.study-exercise{padding:18px 0;border-bottom:1px solid #efdcc0}.study-exercise details{margin:12px 0}.study-choices button[aria-pressed=true]{border-color:#f39025;background:#fff0d0}.content-edit-form{display:grid;gap:14px}.content-edit-form label{display:grid;gap:6px}.content-edit-form fieldset{border:1px solid #ecdcc7;border-radius:16px;margin:12px 0;padding:14px;display:grid;gap:10px}.content-edit-form textarea,.content-edit-form input,.content-edit-form select{width:100%;min-width:0;box-sizing:border-box}.content-question{padding:12px;margin:12px 0;background:#fff9ec;border-radius:16px}.content-question label{margin:10px 0}#content-preview article{padding:10px;border-bottom:1px solid #eee}#admin-content .toolbar{align-items:end}#admin-content .toolbar label{min-width:160px;flex:1}@media(max-width:600px){#admin-content .toolbar{display:grid;grid-template-columns:1fr}.content-edit-form .actions{display:grid;grid-template-columns:1fr}}

.bao-sentence-player{display:block;width:100%;max-width:320px;height:42px;margin:12px 0}.content-edit-form fieldset{min-inline-size:0}