:root{--ink:#243e36;--green:#27735b;--light:#edf3e9;--muted:#7c8c83;--line:#e1e7dc}*{box-sizing:border-box}body{margin:0;background:#fafbf6;color:var(--ink);font:15px/1.6 -apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif}button,input,textarea,select{font:inherit}button{cursor:pointer;border:0;border-radius:12px;padding:12px 20px;background:var(--green);color:white;font-weight:600}button:disabled{opacity:.4;cursor:default}button.secondary{background:#eef2e8;color:var(--ink)}button.text{padding:7px 10px;background:transparent;color:var(--muted)}button:hover{filter:brightness(.96)}header{height:86px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 5vw;background:#fffef9}.brand{font-size:22px;font-weight:800;letter-spacing:-1px}.brand span{color:var(--green)}.tag{font-size:11px;border:1px solid #d9e2d1;background:#f0f5e9;color:#75866b;padding:3px 8px;border-radius:6px;letter-spacing:1px;margin-left:10px}nav{display:flex;gap:12px;align-items:center}nav button.active{color:var(--green);background:#eaf1e5}main{max-width:1120px;margin:0 auto;padding:44px 26px 80px}.eyebrow{font-size:12px;font-weight:700;color:var(--green);letter-spacing:2px;text-transform:uppercase}h1{font-size:38px;line-height:1.3;letter-spacing:-1px;margin:12px 0}h2{font-size:23px;margin:0 0 8px}h3{margin:0 0 4px;font-size:19px}p{color:var(--muted);margin:8px 0 22px}.hero{display:grid;grid-template-columns:1.5fr 1fr;background:#eaf0df;border-radius:24px;padding:38px 42px;position:relative;overflow:hidden;margin-bottom:32px}.hero p{max-width:440px;color:#677e61}.garden{display:flex;align-items:center;justify-content:center;font-size:92px;position:relative}.garden:before{content:'';position:absolute;width:190px;height:190px;border-radius:50%;background:#dbe6c7}.garden span{z-index:1;transform:rotate(-9deg)}.row{display:flex;align-items:center;justify-content:space-between;gap:15px}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.card{background:white;border:1px solid var(--line);border-radius:18px;padding:25px}.unit{cursor:pointer;transition:.2s}.unit:hover{transform:translateY(-4px);border-color:#88aa7f}.unit .icon{width:55px;height:55px;background:#edf1e4;border-radius:15px;display:grid;place-items:center;font-size:27px;margin-bottom:23px}.small{font-size:13px;color:var(--muted)}.pill{font-size:12px;border-radius:7px;padding:4px 9px;background:#edf3e9;color:var(--green)}.progress{height:7px;border-radius:10px;background:#edf0e8;overflow:hidden;margin:15px 0}.progress i{display:block;height:100%;background:#79a56a;border-radius:10px}.section{margin:26px 0 16px}.word{display:flex;gap:12px;align-items:center;cursor:pointer;min-height:105px}.word:has(input:checked){background:#f1f6ec;border-color:#82a275}.word input{width:20px;height:20px;accent-color:var(--green)}.word strong{font-size:20px}.actions{display:flex;gap:12px;justify-content:flex-end;margin-top:28px;align-items:center}.notice{background:#fff7df;border:1px solid #f0e5bf;border-radius:12px;padding:12px 17px;color:#8f7842;font-size:13px;margin:20px 0}.study{max-width:760px;margin:auto}.studycard{text-align:center;padding:38px;margin-top:22px;min-height:330px}.bigword{font-size:46px;font-weight:750;margin:15px 0}.sentence{font-size:25px;line-height:1.7;margin:20px 0;color:var(--ink)}.options{display:grid;grid-template-columns:1fr 1fr;gap:12px;text-align:left}.options button{color:var(--ink);background:#f5f7f0;border:1px solid var(--line);font-weight:400;text-align:left}.options button.selected{background:#e7f1df;border-color:#77a66d}input:not([type=checkbox]),textarea,select{border:1px solid var(--line);border-radius:10px;background:#fff;padding:12px;width:100%;color:var(--ink)}textarea{min-height:155px;resize:vertical}label.field{display:block;margin:15px 0}label.field span{display:block;margin-bottom:6px;color:var(--muted);font-size:13px}.tabs{display:flex;gap:8px;margin:25px 0}.tabs button{background:transparent;color:var(--muted)}.tabs .active{color:var(--green);background:#e8efdf}table{border-collapse:collapse;width:100%;text-align:left}td,th{padding:15px 10px;border-bottom:1px solid var(--line)}th{font-size:12px;color:var(--muted);font-weight:500}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:24px 0}.stat strong{font-size:30px;display:block}.back{padding-left:0!important}.empty{text-align:center;padding:45px;color:var(--muted)}.foot{text-align:center;color:#9aa490;font-size:12px;margin-top:38px}.login{max-width:440px;margin:55px auto;text-align:center}.login .card{padding:38px}.check{color:var(--green);font-weight:600}.error{color:#a96543}.sidebarNote{border-left:3px solid #b8caa6;padding-left:15px}.toast{position:fixed;bottom:30px;left:50%;transform:translateX(-50%);background:#243e36;color:white;padding:13px 24px;border-radius:12px;z-index:9}.muted{color:var(--muted)}@media(max-width:700px){header{padding:0 18px;height:74px}.brand{font-size:18px}header .tag{display:none}nav{gap:0}nav button{padding:8px!important;font-size:12px}main{padding:25px 18px 60px}.hero{padding:28px;grid-template-columns:1fr}.garden{display:none}h1{font-size:29px}.grid{grid-template-columns:1fr}.stats{gap:8px}.stat{padding:16px}.options{grid-template-columns:1fr}.row{flex-wrap:wrap}.studycard{padding:23px}.sentence{font-size:21px}.actions{flex-wrap:wrap}table{font-size:12px}td,th{padding:12px 5px}}

.audio-playing{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);z-index:8;width:min(700px,calc(100% - 32px));margin:0;box-shadow:0 8px 32px #243e3626;display:flex;align-items:center;gap:12px;flex-wrap:wrap}.audio-playing .playing-text{flex:1;min-width:140px}

.tabs{flex-wrap:wrap}.table-wrap{overflow-x:auto} .audio-dock{position:fixed;bottom:15px;left:50%;transform:translateX(-50%);width:min(740px,calc(100% - 28px));z-index:8;background:#edf3e9;border:1px solid #a6bc99;border-radius:14px;padding:14px;box-shadow:0 8px 25px #243e3626}.audio-dock audio{width:100%;height:34px}.inline-error{color:#a64f34;margin:12px 0} main{padding-bottom:190px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}@media(max-width:700px){.form-grid{grid-template-columns:1fr}nav{flex-wrap:wrap}.table-wrap td{min-width:110px}}
.tabs button[aria-current="page"]{background:#e8efdf;color:var(--green)}

.unit-word-progress{display:flex;flex-wrap:wrap;gap:7px 18px;align-items:center;margin:0 0 20px}.word-status{display:block;font-size:12px;color:#9a6136;margin-top:6px}

.audio-speed-settings{display:flex;gap:14px;align-items:center;flex-wrap:wrap;margin:16px 0 24px}.playback-rate-label{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:13px;color:var(--muted)}.playback-rate-label select{width:auto;min-width:155px;padding:7px 10px}.audio-dock .playback-rate-label{margin:8px 0}.audio-dock audio{display:block}