:root{--bg:#f7f8fc;--surface:#fff;--surface-2:#f1f4f9;--ink:#172033;--heading:#101828;--muted:#697386;--line:#e5e9f0;--primary:#6758e8;--primary-dark:#5142d4;--primary-soft:#eeeafd;--cyan:#39c5bb;--blue:#5578ee;--orange:#ff9f66;--danger:#dc3545;--danger-soft:#fff0f1;--ok:#18875d;--shadow-sm:0 2px 8px rgba(30,39,67,.05);--shadow:0 18px 50px rgba(37,43,74,.09);--shadow-lg:0 28px 70px rgba(50,45,105,.16);--radius:22px;--radius-md:16px;--radius-sm:11px;--max:1240px}
*{box-sizing:border-box}html{min-height:100%;background:var(--bg);scroll-behavior:smooth}body{min-height:100%;margin:0;color:var(--ink);background:var(--bg);font-family:"Segoe UI Variable Text","Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:15px;line-height:1.65;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}button,a,input,textarea,select{-webkit-tap-highlight-color:transparent}button:disabled{cursor:not-allowed;opacity:.58}.hidden{display:none!important}.page-backdrop{position:fixed;inset:0;z-index:-2;background:radial-gradient(circle at 8% 5%,rgba(103,88,232,.1),transparent 26rem),radial-gradient(circle at 92% 20%,rgba(57,197,187,.08),transparent 25rem),linear-gradient(180deg,#fbfbfe 0,#f7f8fc 34rem)}
.site-header{position:sticky;top:0;z-index:50;padding:14px 24px;background:rgba(247,248,252,.86);border-bottom:1px solid rgba(225,229,239,.75);backdrop-filter:blur(18px)}.header-inner{width:min(var(--max),100%);min-height:58px;margin:auto;display:grid;grid-template-columns:minmax(210px,1fr) auto minmax(210px,1fr);align-items:center;gap:24px}.brand{display:inline-flex;align-items:center;gap:12px;min-width:0;width:max-content}.brand-mark{display:grid;place-items:center;width:44px;height:44px;border-radius:14px;color:#fff;background:linear-gradient(145deg,#7869f0,#5545d4);box-shadow:0 9px 22px rgba(103,88,232,.3);transform:rotate(-3deg)}.brand-mark svg{width:30px;height:30px;fill:none;stroke:currentColor;stroke-width:2.1;stroke-linecap:round;stroke-linejoin:round}.brand-copy{display:grid;line-height:1.2}.brand-copy strong{color:var(--heading);font-size:16px;white-space:nowrap}.brand-copy small{margin-top:5px;color:#8b93a5;font-size:10px;font-weight:700;letter-spacing:.1em;text-transform:uppercase}.nav{display:flex;align-items:center;gap:5px;padding:5px;border:1px solid var(--line);border-radius:15px;background:rgba(255,255,255,.78);box-shadow:var(--shadow-sm)}.nav-link{display:flex;align-items:center;gap:7px;min-height:39px;padding:8px 13px;border-radius:11px;color:#6f7788;font-size:13px;font-weight:700;transition:.18s ease}.nav-link:hover{color:var(--heading);background:#f4f3fc}.nav-link.active{color:var(--primary);background:var(--primary-soft);box-shadow:inset 0 0 0 1px rgba(103,88,232,.08)}.nav-icon{display:grid;place-items:center;min-width:20px;font-size:12px;font-weight:900}.account-area{display:flex;justify-content:flex-end;align-items:center;gap:8px}.account-area form,.nav form{margin:0}.user-pill{display:inline-flex;align-items:center;gap:8px;max-width:150px;padding:4px 10px 4px 5px;color:#596176;font-size:13px;font-weight:700;white-space:nowrap}.user-avatar{display:grid;place-items:center;width:31px;height:31px;border-radius:10px;color:#fff;background:linear-gradient(145deg,var(--cyan),#199d94);font-size:12px}.site-footer{width:min(var(--max),calc(100% - 40px));margin:15px auto 35px;padding:22px 4px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:20px;color:var(--muted)}.site-footer div{display:flex;align-items:center;gap:10px}.site-footer strong{color:var(--heading)}.site-footer small{font-size:12px}
.page-shell{width:min(var(--max),calc(100% - 40px));margin:0 auto;padding:46px 0 65px}.hero{position:relative;overflow:hidden;margin-bottom:32px;padding:clamp(30px,5vw,64px);border:1px solid rgba(103,88,232,.12);border-radius:30px;background:linear-gradient(135deg,#fff 0,#f7f5ff 55%,#effbfa 100%);box-shadow:var(--shadow)}.hero-grid{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(300px,.75fr);align-items:center;gap:36px}.hero-home{min-height:510px;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(390px,.95fr);align-items:center;gap:50px;background:linear-gradient(135deg,#fff 5%,#f7f5ff 60%,#effaf9 100%)}.hero-home:before{content:"";position:absolute;right:-90px;top:-120px;width:400px;height:400px;border:1px solid rgba(103,88,232,.1);border-radius:50%;box-shadow:0 0 0 45px rgba(103,88,232,.025),0 0 0 90px rgba(103,88,232,.018)}.hero-copy{position:relative;z-index:2}.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border:1px solid rgba(103,88,232,.13);border-radius:99px;background:rgba(255,255,255,.75);color:#6758e8;font-size:12px;font-weight:700;box-shadow:var(--shadow-sm)}.hero-badge i{width:7px;height:7px;border-radius:50%;background:#3bc8a9;box-shadow:0 0 0 4px rgba(59,200,169,.13)}.eyebrow{margin:0 0 10px;color:var(--primary);font-size:11px;font-weight:850;letter-spacing:.15em;text-transform:uppercase}.hero-copy>.eyebrow{margin-top:24px}.hero h1{max-width:720px;margin:0;color:var(--heading);font-size:clamp(36px,5vw,67px);line-height:1.08;letter-spacing:-.05em}.hero h1 span{color:var(--primary)}.hero:not(.hero-home) h1{font-size:clamp(34px,4.3vw,58px)}.hero p{max-width:720px}.hero-description,.hero>div>p:last-child{margin:22px 0 0;color:var(--muted);font-size:17px;line-height:1.8}.hero-actions{display:flex;flex-wrap:wrap;gap:11px;margin-top:30px}.hero-primary{box-shadow:0 14px 27px rgba(103,88,232,.24)}.hero-trust{display:flex;flex-wrap:wrap;gap:20px;margin-top:31px;color:#7c8495;font-size:12px;font-weight:650}.hero-trust span{display:flex;align-items:center;gap:7px}.hero-trust b{color:#aaa4de;font-size:10px}.hero-visual{position:relative;z-index:2;min-height:380px}.visual-glow{position:absolute;inset:15% 7%;border-radius:50%;background:rgba(103,88,232,.18);filter:blur(55px)}.sound-card{position:absolute;border:1px solid rgba(255,255,255,.8);background:rgba(255,255,255,.91);box-shadow:var(--shadow-lg);backdrop-filter:blur(15px)}.sound-card-main{inset:45px 14px 28px 42px;padding:25px;border-radius:26px;transform:rotate(2deg)}.sound-card-head{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:13px}.mini-cover{display:grid;place-items:center;width:48px;height:48px;border-radius:15px;color:#fff;background:linear-gradient(145deg,#6e61e9,#4033bd);font-size:12px;font-weight:900;letter-spacing:.08em}.sound-card-head>span:nth-child(2){display:grid}.sound-card-head b{color:var(--heading);font-size:14px}.sound-card-head small{color:#99a0af;font-size:11px}.sound-card-head>i{color:#aab0be;font-style:normal;letter-spacing:3px}.waveform{height:102px;margin:29px 0 18px;display:flex;align-items:center;gap:5px}.waveform span{flex:1;min-width:3px;border-radius:8px;background:linear-gradient(180deg,#7a6ced,#5c4bd8);opacity:.9}.waveform span:nth-child(3n+1){height:32%}.waveform span:nth-child(3n+2){height:72%}.waveform span:nth-child(3n){height:48%}.waveform span:nth-child(5n){height:90%;background:linear-gradient(#47cec2,#27a79e)}.player-line{display:flex;align-items:center;gap:9px;color:#9ca3b2;font-size:10px}.player-line b{color:var(--primary)}.player-line i{flex:1;height:3px;border-radius:4px;background:linear-gradient(90deg,var(--primary) 38%,#e8e8f0 38%)}.player-controls{display:flex;align-items:center;justify-content:center;gap:28px;margin-top:24px;color:#8a91a1}.player-controls strong{display:grid;place-items:center;width:54px;height:54px;padding-left:3px;border-radius:50%;color:#fff;background:linear-gradient(145deg,#7566ed,#5745d5);box-shadow:0 10px 24px rgba(103,88,232,.3);font-size:17px}.floating-card{position:absolute;z-index:3;padding:16px 17px;border:1px solid rgba(255,255,255,.85);border-radius:17px;background:rgba(255,255,255,.92);box-shadow:0 16px 40px rgba(34,42,73,.14);backdrop-filter:blur(12px)}.floating-progress{top:8px;right:-4px;width:142px;transform:rotate(-4deg)}.floating-progress span{color:#8e95a5;font-size:10px}.floating-progress strong{display:block;margin:3px 0 8px;color:var(--heading);font-size:22px}.floating-progress div{height:5px;border-radius:8px;background:#edeef4}.floating-progress i{display:block;width:86%;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--cyan),var(--primary))}.floating-words{left:2px;bottom:5px;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:10px;min-width:205px;transform:rotate(-2deg)}.word-dot{display:grid;place-items:center;width:36px;height:36px;border-radius:12px;color:#fff;background:linear-gradient(145deg,#ffb27d,#f0804a);font-weight:900}.floating-words p{display:grid;margin:0}.floating-words b{color:var(--heading);font-size:11px}.floating-words small{color:#9ba1af;font-size:9px}.floating-words>strong{color:var(--ok);font-size:13px}.hero-kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.kpi-card{min-height:118px;padding:20px;border:1px solid rgba(103,88,232,.1);border-radius:18px;background:rgba(255,255,255,.72);display:flex;flex-direction:column;justify-content:flex-end}.kpi-card strong{color:var(--heading);font-size:20px;overflow-wrap:anywhere}.kpi-card span{color:var(--muted);font-size:12px}
.section-heading{margin:58px 0 22px;display:flex;align-items:flex-end;justify-content:space-between;gap:24px}.section-heading h2{margin:0;color:var(--heading);font-size:clamp(25px,3vw,36px);letter-spacing:-.035em}.section-heading p:last-child{margin:6px 0 0;color:var(--muted)}h1,h2,h3{color:var(--heading);line-height:1.22}h1{font-size:clamp(31px,4vw,52px);letter-spacing:-.035em}h2{font-size:22px;letter-spacing:-.02em}h3{font-size:17px}p{margin-top:0}.muted{color:var(--muted)!important}.panel,.card,.review-item,.reading-segment,.feedback-card{border:1px solid var(--line);border-radius:var(--radius);background:rgba(255,255,255,.93);box-shadow:var(--shadow-sm)}.panel{margin-bottom:22px;padding:clamp(22px,3vw,34px)}.inset-panel{background:#f8f9fc;box-shadow:none}.narrow{width:min(620px,100%);margin-left:auto;margin-right:auto}.split-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}.summary-chip,.level-tag{display:inline-flex;align-items:center;justify-content:center;min-height:28px;padding:5px 10px;border:1px solid #e5e2fb;border-radius:99px;color:#685bd2;background:#f7f5ff;font-size:11px;font-weight:750;white-space:nowrap}.summary-chip b{margin-right:4px;color:var(--heading)}.status-banner,.alert{margin-bottom:20px;padding:13px 16px;border:1px solid #bee8d8;border-radius:12px;color:#176c50;background:#edfbf5;font-weight:650}.alert{border-color:#f1c6ca;color:#a62f3b;background:#fff2f3}.empty-state{text-align:center}.empty-state span,.empty-state strong,.empty-state small{display:block}.empty-state span{font-size:32px}.empty-state strong{margin-top:8px}.empty-state small{color:var(--muted)}
.primary-button,.ghost-button,.danger-button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:10px 17px;border:1px solid transparent;border-radius:12px;font-weight:750;line-height:1.2;text-align:center;cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease}.primary-button{color:#fff;background:linear-gradient(145deg,#7465ec,#5b49d7);box-shadow:0 8px 18px rgba(103,88,232,.18)}.primary-button:hover{transform:translateY(-2px);box-shadow:0 13px 25px rgba(103,88,232,.26)}.ghost-button{color:#4e5669;border-color:var(--line);background:#fff}.ghost-button:hover{transform:translateY(-1px);color:var(--primary);border-color:#cfc9f7;background:#faf9ff}.danger-button{color:#b92d3b;border-color:#f2c7cd;background:var(--danger-soft)}.danger-button:hover{background:#ffe5e8}.compact-button{min-height:37px;padding:8px 12px;border-radius:10px;font-size:12px}
.article-library-tools{display:grid;grid-template-columns:minmax(260px,1fr) 220px auto;align-items:end;gap:14px;padding:17px 18px;border-radius:18px}.article-library-tools label{display:grid;gap:6px}.article-library-tools label>span{color:#7d8495;font-size:10px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.search-field>div{position:relative}.search-field i{position:absolute;left:13px;top:50%;transform:translateY(-50%);color:#8f96a6;font-style:normal;font-size:20px}.search-field input{padding-left:40px}.article-library-tools>.summary-chip{margin-bottom:7px}.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.article-cards{grid-template-columns:repeat(2,minmax(0,1fr))}.card{overflow:hidden;padding:25px}.article-card{padding:0;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}.article-card:hover{transform:translateY(-5px);border-color:#d8d3f7;box-shadow:var(--shadow)}.article-card-cover{position:relative;height:145px;overflow:hidden;padding:18px;background:linear-gradient(135deg,#5144c7,#7869ef)}.article-card-cover:after{content:"";position:absolute;right:-30px;top:-50px;width:190px;height:190px;border:1px solid rgba(255,255,255,.15);border-radius:50%;box-shadow:0 0 0 30px rgba(255,255,255,.04),0 0 0 60px rgba(255,255,255,.025)}.article-card-cover.cover-1{background:linear-gradient(135deg,#168f89,#47cfc4)}.article-card-cover.cover-2{background:linear-gradient(135deg,#e47745,#ffad70)}.article-card-cover.cover-3{background:linear-gradient(135deg,#3261c7,#6386ed)}.card-number{position:relative;z-index:2;color:rgba(255,255,255,.58);font-size:13px;font-weight:850;letter-spacing:.12em}.level-tag{position:absolute;z-index:2;right:16px;top:16px;color:#fff;border-color:rgba(255,255,255,.25);background:rgba(255,255,255,.13);backdrop-filter:blur(5px)}.cover-wave{position:absolute;left:22px;right:22px;bottom:23px;height:48px;display:flex;align-items:center;gap:8px}.cover-wave i{width:5px;border-radius:8px;background:rgba(255,255,255,.82)}.cover-wave i:nth-child(1),.cover-wave i:nth-child(7){height:25%}.cover-wave i:nth-child(2),.cover-wave i:nth-child(6){height:58%}.cover-wave i:nth-child(3){height:88%}.cover-wave i:nth-child(4){height:43%}.cover-wave i:nth-child(5){height:72%}.cover-wave i:nth-child(8){height:38%}.article-card-body{padding:24px}.article-card h2{margin:9px 0 10px;font-size:22px}.article-card-body>p{min-height:48px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.card-actions{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin-top:20px}.card-actions form{margin:0}.article-card .card-actions{padding-top:18px;border-top:1px solid #edf0f4}.article-card .card-actions .ghost-button{margin-left:auto;border-color:transparent;background:transparent}
label{color:#4c5567;font-weight:650}label>span{display:block;margin-bottom:7px;font-size:13px}input,textarea,select{width:100%;min-height:46px;padding:10px 13px;border:1px solid #dfe3eb;border-radius:11px;outline:none;color:var(--heading);background:#fff;box-shadow:0 1px 2px rgba(20,28,45,.02);transition:border-color .16s,box-shadow .16s}textarea{min-height:110px;resize:vertical}input::placeholder,textarea::placeholder{color:#abb1bd}input:focus,textarea:focus,select:focus{border-color:#9f95ef;box-shadow:0 0 0 4px rgba(103,88,232,.1)}input[type=checkbox],input[type=radio]{width:17px;min-height:17px;accent-color:var(--primary)}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.form-grid .wide{grid-column:1/-1}.form-grid>button{align-self:end}.stack-form{display:grid;gap:16px}.choice-row{display:flex;flex-wrap:wrap;gap:10px}.choice-pill{display:inline-flex;align-items:center;gap:8px;padding:9px 12px;border:1px solid var(--line);border-radius:11px;background:#fff}.choice-pill span{margin:0}.inline-search-form{display:flex;align-items:flex-end;gap:10px}.inline-search-form label{flex:1}.model-picker{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.time-range-fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.article-header{display:flex;align-items:center;justify-content:flex-end;padding:15px 18px}.segment-preview{display:grid;gap:11px;padding-left:24px}.segment-preview li{padding:11px 14px;border-left:3px solid #d9d4fa;border-radius:0 10px 10px 0;background:#faf9ff}.reading-layout,.practice-grid{display:grid;grid-template-columns:minmax(0,1fr) 340px;align-items:start;gap:22px}.reading-main,.practice-main{min-width:0}.side-panel{position:sticky;top:105px}.reading-segment{margin-bottom:14px;padding:20px}.reading-text{margin:0;color:#273044;font-family:Georgia,"Times New Roman",serif;font-size:20px;line-height:2}.word-chip{display:inline;padding:2px 4px;border:0;border-radius:6px;color:inherit;background:transparent;font:inherit;cursor:pointer;transition:.15s}.word-chip:hover,.word-chip:focus{color:var(--primary);background:var(--primary-soft);outline:none}.reading-segment details,.panel details{margin-top:12px;color:var(--muted)}summary{color:#5d50cc;font-weight:700;cursor:pointer}.lookup-result{margin:15px 0;overflow-wrap:anywhere}.dictionary-entry-list{display:grid;gap:12px}.dictionary-entry-card{padding:14px;border:1px solid var(--line);border-radius:13px;background:#fafbfc}
.practice-status{display:flex;align-items:center;justify-content:space-between;gap:15px;margin:18px 0}.practice-status p{margin:4px 0 0;color:var(--muted);font-size:12px}audio{width:100%;margin:15px 0;accent-color:var(--primary)}.practice-subtitle{min-height:54px;margin:0;font-family:Georgia,serif;font-size:20px;line-height:1.8}.practice-instructions{padding:15px;border-radius:13px;background:#f7f6ff}.practice-instructions p:last-child{margin-bottom:0}.practice-word-grid{display:flex;flex-wrap:wrap;gap:10px}.practice-word-slot{position:relative;display:inline-flex}.practice-word-index{position:absolute;left:8px;top:7px;color:#aaa5cb;font-size:9px;line-height:1}.practice-word-input{width:112px;padding:17px 8px 6px;text-align:center;font-weight:750;letter-spacing:.04em}.feedback-card{margin-top:18px;padding:20px}.ok-text,.word-ok{color:var(--ok)}.bad-text,.word-bad{color:var(--danger)}.word-ok,.word-bad{display:inline-block;margin:2px;padding:2px 6px;border-radius:7px;background:#ecfaf4}.word-bad{background:#fff0f1}.comparison-grid,.summary-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.comparison-card,.comparison-item{padding:17px;border:1px solid var(--line);border-radius:15px;background:#fafbfc}.review-list,.segment-content-list,.segment-list,.vocabulary-completion-list,.vocabulary-missing-list{display:grid;gap:15px}.review-item{padding:22px}.review-status{font-weight:800}.vocab-select-row{display:flex;align-items:flex-start;gap:10px}.vocab-select-row>span{display:grid}.vocab-select-row small{color:var(--muted)}.vocab-format{padding:14px;overflow:auto;border-radius:11px;color:#545d6d;background:#f2f4f8;white-space:pre-wrap}.vocab-bulk-toolbar{padding:15px 18px}.segment-editor,.segment-editor-panel{padding:20px;border:1px solid var(--line);border-radius:16px;background:#fafbfc}.segment-editor-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.segment-toolbar{display:flex;flex-wrap:wrap;gap:8px}.segment-item{padding:14px;border:1px solid var(--line);border-radius:12px;background:#fff}.segment-item.active{border-color:#9b90ed;box-shadow:0 0 0 3px rgba(103,88,232,.09)}.segment-content-card{padding:20px;border:1px solid var(--line);border-radius:16px}.vocabulary-completion-panel{padding:20px;border-radius:16px;background:#f8f9fc}
@media(max-width:1050px){.header-inner{grid-template-columns:auto 1fr auto}.nav{justify-self:center}.nav-link{padding:8px 10px}.nav-link .nav-icon{display:none}.brand-copy small{display:none}.hero-home{grid-template-columns:1fr minmax(330px,.8fr);gap:24px}.cards{grid-template-columns:repeat(2,minmax(0,1fr))}.reading-layout,.practice-grid{grid-template-columns:minmax(0,1fr) 300px}}
@media(max-width:820px){.site-header{padding:10px 14px}.header-inner{grid-template-columns:1fr auto;gap:10px}.brand-mark{width:40px;height:40px}.nav{grid-column:1/-1;grid-row:2;justify-self:stretch;justify-content:center;overflow-x:auto}.nav-link{flex:1;justify-content:center}.account-area .user-pill{display:none}.page-shell{width:min(100% - 26px,var(--max));padding-top:25px}.hero-home,.hero-grid{grid-template-columns:1fr}.hero-home{min-height:0}.hero-visual{min-height:350px}.hero-kpis{margin-top:10px}.article-library-tools{grid-template-columns:1fr 1fr}.article-library-tools>.summary-chip{grid-column:1/-1;justify-self:start}.article-cards,.reading-layout,.practice-grid{grid-template-columns:1fr}.side-panel{position:static}.section-heading{align-items:flex-start;flex-direction:column}.comparison-grid,.summary-grid{grid-template-columns:1fr}.site-footer{align-items:flex-start;flex-direction:column}}
@media(max-width:560px){body{font-size:14px}.site-header{position:relative}.brand-copy strong{font-size:14px}.account-area .ghost-button{display:none}.page-shell{width:min(100% - 20px,var(--max));padding:18px 0 42px}.hero{padding:28px 22px;border-radius:23px}.hero-home{gap:15px}.hero h1{font-size:39px}.hero-description{font-size:15px}.hero-actions>*{width:100%}.hero-trust{gap:10px 16px}.hero-visual{min-height:320px;margin-top:8px}.sound-card-main{inset:39px 2px 23px 18px;padding:19px}.floating-progress{right:-12px;width:120px}.floating-words{left:-10px;min-width:178px}.section-heading{margin-top:42px}.article-library-tools,.form-grid,.model-picker,.time-range-fields,.segment-editor-grid{grid-template-columns:1fr}.cards{grid-template-columns:1fr}.article-card-cover{height:125px}.panel{padding:20px;border-radius:18px}.hero-kpis{grid-template-columns:1fr}.kpi-card{min-height:82px}.split-head,.practice-status{align-items:flex-start;flex-direction:column}.card-actions>*{flex:1}.reading-text{font-size:18px}.site-footer{width:calc(100% - 24px)}.site-footer div{align-items:flex-start;flex-direction:column;gap:2px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
/* Review refinements: auth, dictionary and admin utility states */
.auth-panel{position:relative;overflow:hidden;padding:clamp(28px,5vw,48px);text-align:left}.auth-panel:before{content:"";position:absolute;right:-90px;top:-100px;width:240px;height:240px;border-radius:50%;background:radial-gradient(circle,rgba(103,88,232,.13),transparent 67%);pointer-events:none}.auth-panel h1{margin:0 0 9px;font-size:clamp(30px,4vw,43px)}.auth-description{max-width:470px;margin-bottom:25px;color:var(--muted)}.auth-icon{display:grid;place-items:center;width:48px;height:48px;margin-bottom:23px;border-radius:15px;color:#fff;background:linear-gradient(145deg,#7566ed,#5745d5);box-shadow:0 10px 24px rgba(103,88,232,.24);font-size:23px;font-weight:800}.auth-icon-green{background:linear-gradient(145deg,#4bd0c4,#239f96);box-shadow:0 10px 24px rgba(57,197,187,.22)}.auth-submit{width:100%;margin-top:3px}.auth-switch{margin:22px 0 0;text-align:center;color:var(--muted);font-size:13px}.auth-switch a{color:var(--primary);font-weight:800}.mini-button{min-height:31px;padding:5px 9px;border-radius:8px;font-size:11px}.definition-card-head{display:grid;gap:10px}.definition-title-row{display:flex;align-items:baseline;flex-wrap:wrap;gap:9px}.definition-title-row strong{color:var(--heading);font-size:24px}.definition-phonetic{color:var(--primary);font-family:Georgia,serif}.definition-short{color:var(--heading);font-weight:650}.definition-detail{color:var(--muted);white-space:pre-wrap}.vocabulary-completion-item{padding:15px;border:1px solid var(--line);border-radius:13px;background:#fff}.vocabulary-word-chip{gap:7px}.practice-blank-meta{margin:20px 0 12px}.subtitle-panel{margin-top:18px}.translate-form{margin-top:20px}.vocab-select{flex:0 0 auto;margin-top:4px}.error-actions{display:flex;gap:10px;margin-top:22px}
@media(max-width:560px){.auth-panel{padding:27px 21px}.definition-title-row strong{font-size:21px}}
/* Admin console redesign */
.admin-body{background:#f3f5f9}.admin-body .page-backdrop{background:radial-gradient(circle at 85% 0,rgba(103,88,232,.07),transparent 28rem),#f3f5f9}.admin-body .page-shell{width:min(1480px,calc(100% - 32px));padding:24px 0 56px}.admin-body .site-footer{width:min(1480px,calc(100% - 32px));margin-top:0}
.admin-layout{display:grid;grid-template-columns:244px minmax(0,1fr);gap:22px;align-items:start}.admin-sidebar{position:sticky;top:108px;min-height:calc(100vh - 140px);display:flex;flex-direction:column;padding:18px;border-radius:22px;color:#d9deec;background:linear-gradient(165deg,#20283b,#151b2a);box-shadow:0 18px 44px rgba(23,29,45,.18)}.admin-sidebar-brand{display:flex;align-items:center;gap:11px;padding:7px 6px 20px;border-bottom:1px solid rgba(255,255,255,.09)}.admin-sidebar-brand>div{display:grid;line-height:1.25}.admin-sidebar-brand strong{color:#fff;font-size:15px}.admin-sidebar-brand small{margin-top:4px;color:#858fa7;font-size:9px;font-weight:800;letter-spacing:.14em}.admin-sidebar-icon{display:grid;place-items:center;width:38px;height:38px;border-radius:12px;color:#fff;background:linear-gradient(145deg,#7b6cf1,#5a49d7);font-size:18px;box-shadow:0 9px 20px rgba(103,88,232,.3)}.admin-menu{display:grid;gap:7px;margin-top:18px}.admin-menu a{display:grid;gap:2px;padding:12px 13px;border:1px solid transparent;border-radius:13px;transition:.18s ease}.admin-menu a:hover{background:rgba(255,255,255,.06)}.admin-menu a.active{border-color:rgba(142,126,255,.25);background:linear-gradient(135deg,rgba(119,101,239,.28),rgba(92,75,211,.16));box-shadow:inset 3px 0 #8c7df5}.admin-menu span{color:#f3f5fb;font-size:13px;font-weight:800}.admin-menu small{color:#8993aa;font-size:10px}.admin-menu a.active small{color:#b8bfe0}.admin-sidebar-foot{display:grid;gap:8px;margin-top:auto;padding:18px 7px 3px;border-top:1px solid rgba(255,255,255,.09);font-size:11px}.admin-sidebar-foot a{color:#c8ceef;font-weight:700}.admin-sidebar-foot span{color:#727d96}
.admin-workspace{min-width:0}.admin-overview-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:20px;padding:10px 4px}.admin-overview-head h1{margin:0;color:var(--heading);font-size:clamp(28px,3vw,40px);line-height:1.15;letter-spacing:-.035em}.admin-overview-head>div>p:last-child{max-width:680px;margin:9px 0 0;color:var(--muted)}.admin-head-actions{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:9px}.admin-notice{margin:0 0 18px}
.admin-stat-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-bottom:20px}.admin-stat-card{position:relative;overflow:hidden;min-height:138px;padding:22px;border:1px solid var(--line);border-radius:18px;background:#fff;box-shadow:var(--shadow-sm)}.admin-stat-card:after{content:"";position:absolute;right:-28px;bottom:-42px;width:120px;height:120px;border-radius:50%;background:var(--stat-soft)}.admin-stat-card span,.admin-stat-card small{position:relative;z-index:1;display:block}.admin-stat-card span{color:var(--muted);font-size:12px;font-weight:750}.admin-stat-card strong{position:relative;z-index:1;display:block;margin:9px 0 1px;color:var(--heading);font-size:30px;line-height:1.1}.admin-stat-card small{color:#9299aa}.stat-purple{--stat-soft:rgba(103,88,232,.11);border-top:3px solid #7465eb}.stat-cyan{--stat-soft:rgba(57,197,187,.12);border-top:3px solid #39bdb4}.stat-blue{--stat-soft:rgba(85,120,238,.11);border-top:3px solid #5578ee}
.admin-section{margin-bottom:20px;padding:25px;border:1px solid var(--line);border-radius:20px;background:#fff;box-shadow:var(--shadow-sm)}.admin-section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:18px}.admin-section-head h2{margin:0;color:var(--heading);font-size:21px}.admin-section-head p:not(.eyebrow){margin:5px 0 0;color:var(--muted);font-size:13px}.admin-quick-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.admin-quick-card{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:13px;min-width:0;padding:16px;border:1px solid var(--line);border-radius:15px;background:#fafbfe;transition:.18s ease}.admin-quick-card:hover{border-color:#cac3f5;background:#fff;box-shadow:0 12px 26px rgba(43,48,77,.08);transform:translateY(-2px)}.admin-quick-card>div{min-width:0}.admin-quick-card strong,.admin-quick-card small{display:block}.admin-quick-card strong{color:var(--heading);font-size:13px}.admin-quick-card small{overflow:hidden;margin-top:2px;color:var(--muted);font-size:10px;text-overflow:ellipsis;white-space:nowrap}.admin-quick-card>b{color:#9aa2b3}.quick-icon{display:grid;place-items:center;width:40px;height:40px;border-radius:12px;color:#6656df;background:#ebe8fd;font-size:19px;font-weight:800}.quick-icon.cyan{color:#168c84;background:#e5f8f6}.quick-icon.blue{color:#4563c7;background:#eaf0ff;font-size:13px}
.admin-article-table{overflow:hidden;border:1px solid var(--line);border-radius:15px}.admin-table-head,.admin-article-row{display:grid;grid-template-columns:minmax(300px,1fr) 130px minmax(315px,.7fr);gap:16px;align-items:center}.admin-table-head{padding:10px 17px;color:#8991a2;background:#f6f7fa;font-size:10px;font-weight:850;letter-spacing:.06em}.admin-article-row{padding:16px 17px;border-top:1px solid var(--line)}.admin-article-row:hover{background:#fbfbfe}.admin-article-title{display:flex;align-items:center;gap:12px;min-width:0}.admin-row-index{display:grid;place-items:center;flex:0 0 auto;width:38px;height:38px;border-radius:11px;color:#6658df;background:#efecfd;font-size:11px;font-weight:850}.admin-article-title>div{min-width:0}.admin-article-title strong{display:block;overflow:hidden;color:var(--heading);font-size:14px;text-overflow:ellipsis;white-space:nowrap}.admin-article-title p{overflow:hidden;margin:2px 0 0;color:var(--muted);font-size:11px;text-overflow:ellipsis;white-space:nowrap}.admin-article-meta{display:flex;align-items:center;gap:7px}.admin-article-meta span,.admin-article-meta small{padding:4px 7px;border-radius:7px;font-size:10px;font-weight:750}.admin-article-meta span{color:#5b4bd4;background:#eeeafd}.admin-article-meta small{color:#667085;background:#f0f2f5}.admin-row-actions{display:flex;align-items:center;justify-content:flex-end;flex-wrap:wrap;gap:6px}.admin-row-actions a,.admin-row-actions button{min-height:30px;padding:5px 9px;border:1px solid var(--line);border-radius:8px;color:#596176;background:#fff;font-size:10px;font-weight:750;cursor:pointer}.admin-row-actions a:hover{color:var(--primary);border-color:#c9c1f3}.admin-row-actions .action-primary{color:#fff;border-color:var(--primary);background:var(--primary)}.admin-row-actions button{color:#c43b48;border-color:#f2cfd3;background:#fff8f8}.admin-row-actions form{margin:0}.admin-empty{padding:50px 20px;text-align:center;border:1px dashed #d8dce6;border-radius:15px;background:#fafbfc}.admin-empty>span{display:grid;place-items:center;width:48px;height:48px;margin:0 auto 13px;border-radius:15px;color:var(--primary);background:var(--primary-soft);font-size:24px}.admin-empty h3{margin:0}.admin-empty p{margin:6px 0 18px;color:var(--muted)}
.admin-workspace>.hero{margin-bottom:18px;padding:28px 30px;border-radius:20px;background:linear-gradient(135deg,#fff,#f8f7fe);box-shadow:var(--shadow-sm)}.admin-workspace>.hero h1{font-size:clamp(27px,3vw,38px)}.admin-workspace>.hero p:last-child{max-width:720px}.admin-workspace .hero-grid{grid-template-columns:minmax(0,1fr) minmax(360px,.7fr);gap:25px}.admin-workspace .hero-kpis{gap:9px}.admin-workspace .kpi-card{min-height:88px;padding:14px;border-radius:13px;box-shadow:none}.admin-workspace .kpi-card strong{font-size:16px}.admin-workspace>.panel{margin:0 0 18px;padding:27px;border-radius:20px;box-shadow:var(--shadow-sm)}.admin-workspace>.panel>h2{margin-top:0}.admin-workspace .panel .panel{box-shadow:none}.admin-workspace .inset-panel{margin:18px 0;padding:20px;border-color:#e5e7ef;background:#f8f9fc}.admin-workspace .form-grid{gap:16px 18px}.admin-workspace .form-grid label,.admin-workspace .stack-form label{gap:7px}.admin-workspace label>span{color:#3f4758;font-size:12px;font-weight:750}.admin-workspace input,.admin-workspace textarea,.admin-workspace select{border-color:#dfe3eb;background:#fff}.admin-workspace textarea{min-height:96px;resize:vertical}.admin-workspace input:focus,.admin-workspace textarea:focus,.admin-workspace select:focus{border-color:#8d80ec;box-shadow:0 0 0 3px rgba(103,88,232,.1)}.admin-workspace .card-actions{gap:8px}.admin-workspace .card-actions .primary-button,.admin-workspace .card-actions .ghost-button,.admin-workspace .card-actions .danger-button{flex:0 0 auto}.admin-workspace .segment-editor{margin-top:18px}.admin-workspace .segment-editor-panel{padding:18px;background:#fbfbfd}.admin-workspace .segment-content-list{display:grid;gap:12px}.admin-workspace .segment-content-card{padding:17px;background:#fff}.admin-workspace .dictionary-entry-list{display:grid;gap:12px}.admin-workspace .dictionary-entry-card{padding:18px;border:1px solid var(--line);border-radius:15px;background:#fbfbfd}.admin-workspace .inline-search-form{display:flex;gap:8px;align-items:center}.admin-workspace .inline-search-form input{min-width:220px}.admin-workspace .model-picker{padding:15px;border:1px solid var(--line);border-radius:13px;background:#fff}.admin-workspace .comparison-item{padding:18px;border:1px solid var(--line);border-radius:15px;background:#fbfbfd}.admin-workspace audio{width:100%}
@media(max-width:1180px){.admin-table-head,.admin-article-row{grid-template-columns:minmax(260px,1fr) 110px minmax(250px,.8fr)}.admin-row-actions a,.admin-row-actions button{padding-inline:7px}.admin-workspace .hero-grid{grid-template-columns:1fr}.admin-workspace .hero-kpis{margin-top:0}}
@media(max-width:980px){.admin-layout{grid-template-columns:1fr}.admin-sidebar{position:static;min-height:0;padding:13px}.admin-sidebar-brand{padding:3px 5px 12px}.admin-menu{grid-template-columns:repeat(3,1fr);margin-top:12px}.admin-menu a{padding:10px 12px}.admin-sidebar-foot{display:none}.admin-stat-grid,.admin-quick-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.admin-table-head{display:none}.admin-article-row{grid-template-columns:minmax(0,1fr) auto;gap:12px}.admin-article-meta{justify-content:flex-end}.admin-row-actions{grid-column:1/-1;justify-content:flex-start;padding-left:50px}}
@media(max-width:700px){.admin-body .page-shell{width:min(100% - 18px,1480px);padding-top:12px}.admin-sidebar{border-radius:17px}.admin-sidebar-brand{display:none}.admin-menu{gap:5px;margin:0}.admin-menu a{padding:9px;text-align:center}.admin-menu a.active{box-shadow:inset 0 -3px #8c7df5}.admin-menu small{display:none}.admin-overview-head{align-items:flex-start;flex-direction:column;padding:4px 2px}.admin-head-actions{width:100%;justify-content:flex-start}.admin-stat-grid,.admin-quick-grid{grid-template-columns:1fr}.admin-stat-card{min-height:105px}.admin-section{padding:18px;border-radius:17px}.admin-section-head{align-items:flex-start;flex-direction:column}.admin-quick-card small{white-space:normal}.admin-article-row{grid-template-columns:1fr;padding:15px}.admin-article-meta{justify-content:flex-start;padding-left:50px}.admin-row-actions{padding-left:50px}.admin-workspace>.hero{padding:22px 19px}.admin-workspace .hero-kpis{grid-template-columns:1fr}.admin-workspace>.panel{padding:19px;border-radius:17px}.admin-workspace .form-grid,.admin-workspace .segment-editor-grid,.admin-workspace .time-range-fields{grid-template-columns:1fr}.admin-workspace .inline-search-form{align-items:stretch;flex-direction:column}.admin-workspace .inline-search-form input{min-width:0}.admin-workspace .split-head{align-items:flex-start}.admin-workspace .card-actions>*{flex:1}.admin-workspace .card-actions form{flex-basis:100%}}


/* Admin typography and overflow hardening (2026-07-11) */
.admin-workspace{font-size:15px;line-height:1.65;min-width:0}
.admin-sidebar,.admin-sidebar *,.admin-workspace,.admin-workspace *{box-sizing:border-box}
.admin-menu{min-width:0}
.admin-menu a{min-width:0;overflow:hidden}
.admin-menu span{font-size:15px;line-height:1.35;overflow-wrap:anywhere}
.admin-menu small{font-size:12px;line-height:1.45;white-space:normal;overflow-wrap:anywhere}
.admin-sidebar-foot{font-size:13px;line-height:1.55}
.admin-sidebar-foot a,.admin-sidebar-foot span{overflow-wrap:anywhere}
.admin-overview-head p,.admin-workspace>.hero p{font-size:15px;line-height:1.7}
.admin-stat-card span{font-size:14px}
.admin-stat-card small{font-size:13px;line-height:1.45}
.admin-section-head p{font-size:14px;line-height:1.6}
.admin-quick-card{min-width:0}
.admin-quick-card>div{min-width:0}
.admin-quick-card strong{font-size:15px;line-height:1.4;overflow-wrap:anywhere}
.admin-quick-card small{font-size:13px;line-height:1.5;white-space:normal;overflow-wrap:anywhere}
.admin-table-head{font-size:12px;line-height:1.4}
.admin-article-title,.admin-article-title>div{min-width:0}
.admin-article-title strong{font-size:16px;line-height:1.45;overflow-wrap:anywhere}
.admin-article-title p{font-size:13px;line-height:1.55;white-space:normal;overflow-wrap:anywhere}
.admin-article-meta{min-width:0;font-size:12px;line-height:1.4}
.admin-article-meta span,.admin-article-meta small{font-size:12px;overflow-wrap:anywhere}
.admin-row-actions{min-width:0;font-size:13px;flex-wrap:wrap}
.admin-row-actions a,.admin-row-actions button{font-size:13px;line-height:1.35;white-space:normal;text-align:center}
.admin-workspace label>span{font-size:14px;line-height:1.45}
.admin-workspace input,.admin-workspace textarea,.admin-workspace select{width:100%;max-width:100%;min-width:0;font-size:15px;line-height:1.45}
.admin-workspace button,.admin-workspace .primary-button,.admin-workspace .ghost-button,.admin-workspace .danger-button{font-size:14px;line-height:1.4;max-width:100%;white-space:normal;overflow-wrap:anywhere}
.admin-layout,.admin-section,.admin-article-row,.admin-workspace form,.admin-workspace label,.admin-workspace .panel,.admin-workspace .inset-panel,.admin-workspace .dictionary-entry-card,.admin-workspace .comparison-item,.admin-workspace .split-head>*,.admin-workspace .form-grid>*{min-width:0}
.admin-workspace p,.admin-workspace h1,.admin-workspace h2,.admin-workspace h3,.admin-workspace strong,.admin-workspace small{overflow-wrap:anywhere}
.admin-workspace .card-actions,.admin-workspace .split-head,.admin-workspace .choice-row{min-width:0;flex-wrap:wrap}
.admin-workspace .inline-search-form{min-width:0;flex-wrap:wrap}
.admin-workspace .inline-search-form input{flex:1 1 240px;min-width:0}
.admin-workspace .inline-search-form .ghost-button{flex:0 1 auto}
.admin-workspace .summary-grid,.admin-workspace .comparison-grid{min-width:0}
.admin-workspace pre,.admin-workspace code{max-width:100%;white-space:pre-wrap;overflow-wrap:anywhere}
@media(max-width:1240px){
  .admin-table-head{display:none}
  .admin-article-row{grid-template-columns:minmax(0,1fr) auto;gap:12px 18px}
  .admin-row-actions{grid-column:1/-1;justify-content:flex-start;padding-left:50px}
}
@media(max-width:980px){
  .admin-menu{grid-template-columns:repeat(4,minmax(0,1fr))}
  .admin-menu a{padding:11px 10px}
  .admin-workspace{font-size:15px}
}
@media(max-width:700px){
  .admin-menu{grid-template-columns:repeat(2,minmax(0,1fr))}
  .admin-menu span{font-size:14px}
  .admin-article-meta,.admin-row-actions{padding-left:0}
  .admin-row-actions a,.admin-row-actions form{flex:1 1 120px}
  .admin-row-actions button{width:100%}
  .admin-workspace .card-actions>*{min-width:0}
}
@media(max-width:420px){
  .admin-workspace>.hero,.admin-workspace>.panel,.admin-section{padding-left:15px;padding-right:15px}
  .admin-menu a{padding:10px 7px}
  .admin-workspace .inline-search-form .ghost-button{flex:1 1 100px}
}

.admin-workspace input[type="checkbox"],.admin-workspace input[type="radio"]{width:auto;max-width:none;flex:0 0 auto}