:root{--ink:#183d40;--muted:#788486;--bg:#f4f5f0;--paper:#fff;--line:#e4e9e3;--teal:#245c55;--lime:#ddecba;--orange:#b76b42;--red:#a74343;--serif:Georgia,'Times New Roman',serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:14px/1.7 -apple-system,BlinkMacSystemFont,'PingFang SC','Microsoft YaHei',sans-serif}button,input,select,textarea{font:inherit}button,a{touch-action:manipulation}button{cursor:pointer;border:0;border-radius:10px;padding:10px 18px;background:var(--teal);color:#fff;font-weight:600}button:hover{filter:brightness(.94)}button:disabled{opacity:.5;cursor:not-allowed}button.secondary{background:#eef2eb;color:var(--ink)}button.ghost{background:transparent;color:var(--muted);padding:7px 10px}button.danger{background:#f9e8e5;color:var(--red)}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid #9dc3ab;outline-offset:3px}a{color:var(--teal)}h1,h2,h3,p{margin:0}h1{font-size:30px;letter-spacing:-1px;font-weight:650}h2{font-size:20px}h3{font-size:16px}small,.muted{color:var(--muted)}.eyebrow{font-size:11px;letter-spacing:2px;color:var(--muted);text-transform:uppercase}.shell{display:grid;grid-template-columns:224px minmax(0,1fr);min-height:100vh}.sidebar{background:#fff;border-right:1px solid var(--line);padding:34px 22px;position:fixed;inset:0 auto 0 0;width:224px;display:flex;flex-direction:column}.brand{display:flex;gap:12px;align-items:center;margin:0 0 46px 8px}.logo{display:grid;place-items:center;width:39px;height:43px;background:var(--ink);color:var(--lime);font:italic 30px var(--serif);border-radius:12px 12px 12px 3px}.brand strong{font-size:20px;letter-spacing:2px}.brand small{display:block;font-size:10px;letter-spacing:1.5px}.nav{display:grid;gap:8px}.nav button{text-align:left;background:none;color:#75817e;font-weight:500;display:flex;align-items:center;gap:12px;padding:13px 16px}.nav button.active{background:#eaf1e5;color:var(--teal);font-weight:650}.nav .icon{width:20px;font-size:19px}.side-bottom{margin-top:auto;padding-top:40px}.profile{display:flex;gap:10px;align-items:center;border-top:1px solid var(--line);padding-top:20px}.avatar{border-radius:50%;background:#ede7d9;display:grid;place-items:center;width:36px;height:36px;font-size:14px}.main{grid-column:2;padding:0 44px 50px;max-width:1500px;width:100%;margin:auto}.topbar{height:88px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);margin-bottom:34px;gap:12px}.topbar .breadcrumb{color:var(--muted);font-size:12px}.badge,.tag{display:inline-flex;align-items:center;gap:6px;border-radius:6px;padding:4px 9px;background:#edf3e9;color:var(--teal);font-size:11px}.badge{border-radius:100px;padding:5px 11px}.dot{width:6px;height:6px;background:#77a181;border-radius:50%}.heading{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:28px}.heading p{margin-top:6px;color:var(--muted)}.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.between{justify-content:space-between}.grid{display:grid;gap:20px}.grid.two{grid-template-columns:1.45fr 1fr}.grid.equal{grid-template-columns:repeat(2,minmax(0,1fr))}.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-bottom:26px}.stat{background:#fff;border:1px solid var(--line);padding:22px;border-radius:14px}.stat .number{font:38px var(--serif);margin:12px 0 6px;color:var(--ink)}.stat .number small{font:12px sans-serif;margin-left:6px}.stat .sub{font-size:11px;color:var(--muted)}.card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:26px;min-width:0}.card-title{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;gap:10px}.hero{background:var(--ink);color:#fff;position:relative;overflow:hidden;border-radius:16px;padding:30px 32px;min-height:218px;margin-bottom:26px}.hero h2{font-size:25px;max-width:70%;margin:10px 0}.hero p{color:#c3d3cb;max-width:70%;font-size:12px}.hero button{background:var(--lime);color:var(--ink);margin-top:22px}.hero .eyebrow{color:#a6beb1}.hero::after{content:'Aa';position:absolute;right:30px;top:2px;font:italic 150px var(--serif);color:#ffffff12;transform:rotate(-12deg)}.list{display:grid;gap:0}.list-item{padding:15px 0;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:14px}.list-item:last-child{border-bottom:0}.en{font-family:var(--serif);font-size:20px;letter-spacing:.1px}.progress{height:7px;border-radius:10px;background:#edf0e9;overflow:hidden;margin:16px 0 10px}.progress span{display:block;height:100%;background:#91b687;border-radius:10px}.empty{padding:32px 15px;text-align:center;color:var(--muted)}.notice{padding:12px 16px;background:#f6f0e3;color:#8b6a38;border-radius:10px;font-size:12px;margin-bottom:20px}.toolbar{display:flex;gap:12px;align-items:center;margin-bottom:20px;flex-wrap:wrap}input,textarea,select{border:1px solid #dce2db;border-radius:9px;background:#fff;padding:11px 13px;color:var(--ink);min-width:0}input::placeholder,textarea::placeholder{color:#9ba39e}input.search{flex:1;min-width:180px;max-width:400px}label{display:grid;gap:6px;font-size:12px;color:#62736c;margin-bottom:16px}label input,label textarea,label select{width:100%}textarea{min-height:85px;resize:vertical}.check{display:flex;align-items:center;gap:8px}.check input{width:auto;accent-color:var(--teal)}.table-wrap{overflow:auto}table{border-collapse:collapse;width:100%;white-space:normal}th{text-align:left;font-size:11px;color:var(--muted);font-weight:500;border-bottom:1px solid var(--line);padding:10px 12px}td{border-bottom:1px solid var(--line);padding:15px 12px}td .en{font-size:18px}tr:last-child td{border-bottom:0}.word-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.word-card{padding:22px;background:#fff;border:1px solid var(--line);border-radius:13px}.word-card .meaning{margin:10px 0 16px;color:#697a71}.word-card small{font-size:11px}.word-card .en{font-size:25px}.phrase-card{margin-bottom:16px}.phrase-card .en{font-size:26px}.example{background:#f6f7f2;border-left:3px solid #cbd9bb;padding:14px 18px;margin:14px 0;border-radius:0 8px 8px 0}.example p{font-size:15px}.example small{display:block;margin-top:4px}.example .note{color:#b17e50;font-size:12px;margin-top:8px}details summary{cursor:pointer;color:var(--teal);font-size:12px;padding:10px 0}dialog{border:1px solid var(--line);border-radius:18px;max-width:620px;width:calc(100% - 32px);padding:28px;max-height:90vh;color:var(--ink)}dialog::backdrop{background:#173b3d65;backdrop-filter:blur(3px)}dialog h2{margin-bottom:22px}dialog .actions{display:flex;justify-content:flex-end;gap:10px;margin-top:24px}#toast{position:fixed;bottom:26px;left:50%;transform:translateX(-50%);max-width:90vw;background:var(--ink);color:#fff;padding:12px 22px;border-radius:10px;z-index:100;box-shadow:0 10px 30px #0002;display:none}.login{min-height:100vh;display:grid;grid-template-columns:1.1fr 1fr}.login-art{background:var(--ink);color:#fff;padding:60px 70px;display:flex;flex-direction:column;justify-content:space-between;overflow:hidden}.login-art .brand{margin:0}.login-art .logo{background:var(--lime);color:var(--ink)}.login-art .brand small{color:#bed1c4}.login-art h1{font-size:50px;line-height:1.5;letter-spacing:2px;font-weight:400}.login-art .big-en{font:italic 100px var(--serif);color:#bad49f;margin:20px 0}.login-art p{color:#b7c9c1;max-width:380px}.login-form{display:flex;align-items:center;justify-content:center;padding:40px}.login-form form{width:100%;max-width:350px}.login-form h2{font-size:28px;margin:12px 0}.login-form .intro{margin-bottom:30px;color:var(--muted)}.login-form button{width:100%;padding:13px}.login-footer{font-size:11px;color:var(--muted);margin-top:28px}.error{color:var(--red);padding:10px 0;font-size:12px}.study{max-width:740px;margin:0 auto}.study-card{text-align:center;padding:45px 34px}.study-card h2.word{font:52px var(--serif);margin:22px 0 8px;overflow-wrap:anywhere}.study-card .definition{font-size:24px;margin:18px 0}.study-card .answer-input{display:block;width:100%;max-width:440px;margin:25px auto;font:28px var(--serif);text-align:center;padding:18px}.study-card .feedback{padding:16px;margin:15px 0;border-radius:10px;background:#edf3e6}.study-card .feedback.wrong{background:#fbefea;color:#a25c40}.study-card .example{text-align:left}.study-card .row{justify-content:center}.test-header{padding:20px 0}.test-prompt{font-size:30px;margin:35px 0 20px}.test-list button{min-width:38px;padding:8px;background:#edf1e9;color:var(--ink)}.test-list button.active{background:var(--teal);color:#fff}.test-list button.answered{box-shadow:inset 0 -3px #8bb58b}.status-line{font-size:12px;color:var(--muted);margin:12px 0;min-height:20px}.good{color:#428369}.bad{color:var(--red)}.chart{display:flex;align-items:end;gap:10px;height:130px;padding-top:20px}.bar{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:end;height:100%;gap:6px;font-size:10px;color:var(--muted)}.bar i{width:100%;max-width:35px;background:#afc9a1;border-radius:5px 5px 0 0;min-height:3px}.boot{display:grid;place-items:center;min-height:100vh;color:var(--muted)}.source{font-size:10px;color:#9c917b}.full{width:100%}.section-gap{margin-top:26px}.login-error{min-height:25px}.voice-status{font-size:11px;color:var(--muted)}
@media(min-width:1500px){.main{padding:0 70px 50px}}@media(max-width:1050px){.sidebar{width:190px;padding:28px 14px}.shell{grid-template-columns:190px minmax(0,1fr)}.main{padding:0 24px 40px}.stats{gap:10px}.stat{padding:16px}.grid.two{grid-template-columns:1fr}.word-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.login-art{padding:45px}.login-art h1{font-size:36px}.login-art .big-en{font-size:70px}}@media(max-width:700px){.shell{display:block;padding-bottom:76px}.sidebar{position:fixed;inset:auto 0 0;width:100%;height:68px;padding:5px 8px;z-index:30;border-right:0;border-top:1px solid var(--line)}.sidebar>.brand,.side-bottom{display:none}.nav{display:flex;justify-content:space-around;gap:0}.nav button{padding:3px 7px;font-size:10px;gap:0;display:flex;flex-direction:column;border-radius:8px;min-width:48px}.nav .icon{font-size:19px;text-align:center}.main{padding:0 18px 28px}.topbar{height:66px;margin-bottom:24px}.topbar .breadcrumb{font-size:11px}.heading{align-items:start;margin-bottom:22px}.heading h1{font-size:25px}.heading p{font-size:12px}.heading button{font-size:12px;padding:9px 12px}.stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.stat{padding:16px}.stat .number{font-size:32px;margin:8px 0}.hero{padding:25px;min-height:220px}.hero h2{font-size:23px}.hero h2,.hero p{max-width:85%}.hero::after{right:5px;font-size:120px;top:25px}.card{padding:20px}.word-grid{grid-template-columns:1fr}.grid.equal{grid-template-columns:1fr}.login{display:block}.login-art{min-height:210px;padding:25px 28px}.login-art .brand{margin-bottom:28px}.login-art h1{font-size:25px;line-height:1.5}.login-art .big-en,.login-art>small,.login-art p{display:none}.login-form{padding:35px 28px}.login-form form{max-width:420px}.study-card{padding:28px 20px}.study-card h2.word{font-size:40px}.test-prompt{font-size:25px}.card-title{gap:8px}.en{overflow-wrap:anywhere}dialog{padding:23px}td,th{padding:12px 8px}.table-wrap{font-size:12px}.profile-mobile{display:inline}.row{gap:9px}.hero .eyebrow{font-size:10px}}@media(prefers-reduced-motion:no-preference){button,.word-card{transition:background .18s,filter .18s}.card,.hero,.stat{animation:appear .3s ease-out}@keyframes appear{from{opacity:.4;transform:translateY(5px)}to{opacity:1;transform:none}}}
.logo{overflow:hidden;background:var(--ink);padding:3px;border-radius:12px 12px 12px 3px}.logo img{display:block;width:100%;height:100%;object-fit:contain;image-rendering:pixelated}.login-art .logo{padding:3px}
/* Word Harvest brand mark: large enough to read as a growth emblem */
.brand{gap:14px}.logo{width:58px;height:58px;padding:4px;border-radius:16px 16px 16px 5px}.brand strong{font-size:21px}.brand small{letter-spacing:2px}
@media(max-width:700px){.logo{width:48px;height:48px}.login-art .logo{width:50px;height:50px}}
.logo img{border-radius:12px;object-fit:cover}
.logo{width:72px;height:72px;padding:0;background:transparent;border-radius:18px;overflow:hidden}.logo img{width:100%;height:100%;border-radius:18px;object-fit:cover}.login-art .logo{width:78px;height:78px;padding:0;background:transparent}
@media(max-width:700px){.logo{width:58px;height:58px;border-radius:15px}.login-art .logo{width:62px;height:62px}.logo img{border-radius:15px}}
/* Centered farm emblem and compact title */
.brand{flex-direction:column;align-items:center;justify-content:center;gap:5px;margin-left:0;text-align:center}.brand .logo{width:92px;height:92px;border-radius:22px}.brand strong{font-size:16px;letter-spacing:3px}.brand small{font-size:9px;letter-spacing:1.8px}.login-art .brand{align-items:flex-start;text-align:left;gap:7px}.login-art .brand .logo{width:104px;height:104px}.login-art .brand strong{font-size:18px}
@media(max-width:700px){.brand .logo{width:68px;height:68px;border-radius:17px}.brand strong{font-size:14px}.brand small{font-size:8px}.login-art .brand .logo{width:74px;height:74px}}
.avatar{background:#eadcf5;color:#6f3f91;font-weight:700}.avatar img{width:100%;height:100%;object-fit:cover;border-radius:50%}