@import url('https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro:wght@400;500;600;700&family=Playfair+Display:wght@500;600&display=swap');
:root{--green:#153e36;--mint:#e8eee7;--paper:#f7f6f1;--ink:#213b34;--muted:#6c7971;--line:#dedfd5}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:'Be Vietnam Pro',system-ui,sans-serif;font-size:14px}button,input,select{font:inherit}button{border:1px solid var(--line);background:white;color:var(--ink);padding:10px 14px;border-radius:8px;cursor:pointer;transition:.15s}button:hover{background:var(--mint);border-color:#aab9a8}button:disabled{opacity:.5;cursor:wait}button.primary{background:var(--green);color:#fff;border-color:var(--green)}button.primary:hover{background:#24584a}input,select{border:1px solid var(--line);border-radius:7px;padding:10px;background:#fff;color:var(--ink)}:focus-visible{outline:3px solid #b6cc85;outline-offset:3px}header{height:88px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 max(5vw,20px)}.brand{color:var(--green);text-decoration:none;font-size:22px;font-weight:700;display:flex;align-items:center;gap:12px}.logo{font-size:40px;background:var(--green);color:#d1dfa7;width:44px;height:44px;display:grid;place-items:center;border-radius:13px}.brand-note{font-size:9px;letter-spacing:1.8px;color:var(--muted);margin-left:15px}.local-tag{font-size:11px;color:#52704d;background:#e9eedf;padding:9px 13px;border-radius:20px}main{max-width:1320px;margin:auto;padding:0 5vw}.intro{display:flex;justify-content:space-between;align-items:center;padding:48px 0 40px;gap:25px}.eyebrow{font-size:10px;letter-spacing:2px;font-weight:600;color:#6b7d61}h1{font-family:'Playfair Display',Georgia,serif;font-size:clamp(36px,4vw,56px);font-weight:500;letter-spacing:-1.5px;line-height:1.14;margin:16px 0}p{line-height:1.8;color:var(--muted)}.intro p{margin-bottom:0}.sound-art{width:43%;height:190px;border-radius:100px;background:#e9ecdf;display:flex;align-items:center;justify-content:center;gap:9px;transform:rotate(-4deg);position:relative}.sound-art:after{content:'LẮNG · NGHE · HỌC';position:absolute;bottom:24px;font-size:9px;letter-spacing:4px;color:#7a8d6c}.sound-art span{width:7px;height:30px;border-radius:10px;background:#91a57e}.sound-art span:nth-child(3n){height:72px;background:#224b3a}.sound-art span:nth-child(4n){height:110px}.sound-art span:nth-child(5n){height:48px}.workspace{display:grid;grid-template-columns:320px minmax(0,1fr);border:1px solid var(--line);border-radius:18px;overflow:hidden;background:#fff;min-height:510px;box-shadow:0 12px 45px #243b2910}aside{background:#f0f2e9;padding:24px;border-right:1px solid var(--line)}.section-head{display:flex;align-items:center;justify-content:space-between;gap:14px}h2{font-size:20px;margin:0}h3{font-size:16px;margin:10px 0}h2 small,h3 small{font-size:11px;background:#e0e7d6;padding:4px 8px;border-radius:12px;margin-left:5px}.section-head button{font-size:12px;padding:9px 11px}.search{display:flex;align-items:center;background:white;border:1px solid var(--line);border-radius:8px;margin:23px 0 18px;padding-left:12px}.search span{font-size:25px;color:#78836d}.search input{width:100%;border:0;background:transparent;font-size:12px}#library{min-height:130px;max-height:380px;overflow:auto}.book{display:block;text-align:left;width:100%;margin-bottom:10px;background:#fafbf7;padding:14px}.book.active{background:#fff;border-color:#7d9967;box-shadow:0 3px 10px #29401e0d}.book b{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:13px}.book small{display:block;font-size:10px;color:var(--muted);margin-top:7px}.progress{height:3px;background:#e7eadd;border-radius:3px;margin-top:12px;overflow:hidden}.progress span{height:100%;display:block;background:#819568}.storage{margin-top:28px;border-top:1px solid var(--line);padding-top:22px;font-size:11px}.storage b{font-size:12px}.storage p{margin:8px 0}.inline{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.storage button{font-size:11px}.link{background:transparent;border:0;padding:12px 0 0;color:#45653c;text-decoration:underline}.reader{padding:28px;min-width:0}.empty{display:flex;align-items:center;justify-content:center;flex-direction:column;text-align:center;height:100%;min-height:440px}.empty-icon{width:80px;height:80px;border-radius:50%;background:#edf1e4;color:#50713c;font-size:38px;display:grid;place-items:center;margin-bottom:24px}.empty h2{font-family:Georgia,serif;font-size:29px;margin:14px 0 0}.empty p{max-width:400px}.empty small{font-size:10px;color:var(--muted);margin:18px 0}.muted{font-size:11px;margin:7px 0}.danger{color:#a3473b}.audio-panel{background:#f2f4ed;padding:16px;border-radius:12px;margin:22px 0 16px;position:sticky;top:8px;z-index:2}audio{width:100%;height:44px}.settings{justify-content:space-between;margin-top:10px;font-size:11px}.settings button,.settings select{padding:7px 10px;font-size:11px}.subtitle{background:var(--green);color:#f3f2df;padding:26px;border-radius:12px;font-size:19px;line-height:1.7;min-height:125px;display:grid;place-items:center;text-align:center}.loop-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:18px 0 24px}.loop-card{border:1px solid var(--line);border-radius:10px;padding:16px}.loop-card p{font-size:11px;min-height:38px;margin:8px 0 12px}.loop-card button{font-size:11px;padding:8px 10px}#captionTools label{font-size:10px;color:var(--muted)}#offset{width:65px;padding:6px;font-size:11px}.range{margin:14px 0}.range input{flex:1;min-width:120px;font-size:12px}.range button{font-size:11px}.cues{max-height:410px;overflow:auto}.cue{display:grid;grid-template-columns:22px 1fr 38px;gap:10px;padding:14px 10px;border-bottom:1px solid #edf0e5;align-items:start}.cue.current{background:#edf2e4;border-left:3px solid #617e46}.cue.selected{background:#fff7df}.cue p{margin:0;color:var(--ink);font-size:13px;line-height:1.7}.cue small{display:block;color:var(--muted);font-size:10px;margin-bottom:4px}.cue button{padding:5px 8px;font-size:11px}.cue input{accent-color:var(--green);margin-top:8px}footer{display:flex;justify-content:space-between;padding:26px 0;font-size:11px;color:var(--muted)}dialog{border:1px solid var(--line);border-radius:17px;max-width:480px;width:calc(100% - 28px);padding:26px;color:var(--ink);max-height:90vh}dialog::backdrop{background:#123b3277;backdrop-filter:blur(4px)}dialog label{display:block;margin-top:20px;font-size:12px}dialog label>input:not([type=checkbox]){display:block;width:100%;margin-top:8px}.file-box{border:1px dashed #aeba9f;background:#f5f7ef;padding:15px;border-radius:9px}.file-box input{font-size:11px}.file-box small{display:block;color:var(--muted);font-size:10px;margin-top:9px}.check{display:flex;align-items:center}.notice{font-size:11px;background:#faf5e4;padding:12px;border-radius:8px}#save{width:100%}#formError{color:#a3473b;font-size:12px}#toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:#153e36;color:#fff;padding:13px 22px;border-radius:10px;box-shadow:0 5px 20px #0002;z-index:10;display:none;max-width:90%;font-size:12px}[hidden]{display:none!important}@media(max-width:900px){.workspace{grid-template-columns:270px minmax(0,1fr)}aside,.reader{padding:18px}.loop-grid{grid-template-columns:1fr}.brand-note{display:none}}@media(max-width:650px){header{height:72px}.brand{font-size:19px}.local-tag{font-size:9px}.intro{padding:30px 0}.sound-art{width:35%;height:140px;gap:5px}.sound-art span{width:4px}.sound-art span:nth-child(4n){height:70px}.sound-art:after{display:none}.intro p{font-size:11px}.eyebrow{font-size:8px}.workspace{grid-template-columns:1fr}aside{border-right:0;border-bottom:1px solid var(--line)}#library{max-height:230px}.storage{margin-top:15px}.reader{padding:18px}.empty{min-height:330px}.subtitle{font-size:17px}footer span{font-size:9px}.reader .section-head{flex-wrap:wrap}}