:root {
  --ink:#172033; --muted:#667085; --paper:#f5f7ff; --card:#ffffff;
  --brand:#4f46e5; --brand2:#7c3aed; --brand-soft:#eef2ff;
  --good:#11845b; --good-soft:#e8f8f1; --warn:#b85c00; --warn-soft:#fff4e5;
  --bad:#c7384f; --bad-soft:#fff0f2; --line:#e6e9f2; --shadow:0 12px 32px rgba(36,43,77,.10);
  --radius:22px; --safe-bottom:max(16px, env(safe-area-inset-bottom));
}
*{box-sizing:border-box} html{background:var(--paper);color:var(--ink);font-family:Inter,ui-rounded,"SF Pro Rounded","Segoe UI",system-ui,-apple-system,sans-serif} body{margin:0;min-height:100vh;background:radial-gradient(circle at 5% 0%,#e9e6ff 0,transparent 32%),radial-gradient(circle at 95% 10%,#dff8f2 0,transparent 28%),var(--paper)}
button,input,select,textarea{font:inherit} button{cursor:pointer} button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid rgba(79,70,229,.28);outline-offset:2px}
.app-shell{min-height:100vh}.topbar{height:70px;display:flex;align-items:center;justify-content:space-between;padding:0 26px;background:rgba(255,255,255,.88);backdrop-filter:blur(18px);border-bottom:1px solid rgba(230,233,242,.9);position:sticky;top:0;z-index:20}.brand{display:flex;gap:11px;align-items:center;font-weight:900;letter-spacing:-.4px}.brand-mark{width:42px;height:42px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,var(--brand),var(--brand2));color:white;box-shadow:0 8px 22px rgba(79,70,229,.25)}.brand small{display:block;color:var(--muted);font-size:11px;letter-spacing:.4px;text-transform:uppercase}.top-actions{display:flex;align-items:center;gap:10px}.avatar-mini{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:var(--brand-soft);border:1px solid #dcdfff;font-size:21px}
.layout{display:grid;grid-template-columns:235px minmax(0,1fr);max-width:1440px;margin:0 auto}.sidebar{min-height:calc(100vh - 70px);padding:24px 16px;border-right:1px solid var(--line);background:rgba(255,255,255,.62);position:sticky;top:70px;align-self:start}.nav-btn{width:100%;border:0;background:transparent;padding:12px 14px;border-radius:14px;display:flex;align-items:center;gap:12px;color:#4b5567;font-weight:750;text-align:left;margin-bottom:5px}.nav-btn:hover{background:#f2f3fb}.nav-btn.active{background:linear-gradient(135deg,#ecebff,#f3efff);color:var(--brand);box-shadow:inset 0 0 0 1px #dddcff}.nav-icon{font-size:20px;width:25px;text-align:center}.sidebar-footer{margin-top:26px;padding:14px;border-radius:16px;background:#fff;border:1px solid var(--line);font-size:12px;color:var(--muted);line-height:1.45}.content{padding:34px clamp(18px,4vw,48px) calc(105px + var(--safe-bottom));min-width:0}.page{max-width:1120px;margin:0 auto}.page-head{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;margin-bottom:24px}.page-head h1{margin:0;font-size:clamp(28px,4vw,40px);letter-spacing:-1.2px}.page-head p{margin:8px 0 0;color:var(--muted);line-height:1.55}.eyebrow{text-transform:uppercase;letter-spacing:1.6px;font-size:11px;font-weight:900;color:var(--brand);margin-bottom:8px}.hero{padding:28px;border-radius:28px;background:linear-gradient(135deg,#3f3aaf,#6d44cf 58%,#7c3aed);color:#fff;box-shadow:0 18px 42px rgba(79,70,229,.24);position:relative;overflow:hidden}.hero:after{content:"";position:absolute;width:260px;height:260px;border-radius:50%;background:rgba(255,255,255,.09);right:-70px;top:-90px}.hero h1{margin:0;font-size:clamp(28px,5vw,46px);letter-spacing:-1.4px}.hero p{max-width:600px;color:#e8e7ff;margin:8px 0 20px;line-height:1.5}.hero-stats{display:flex;gap:14px;flex-wrap:wrap}.hero-chip{background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.18);border-radius:16px;padding:10px 14px;min-width:110px}.hero-chip strong{display:block;font-size:20px}.hero-chip span{font-size:12px;color:#e7e4ff}
.grid{display:grid;gap:18px}.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}.grid.four{grid-template-columns:repeat(4,minmax(0,1fr))}.card{background:rgba(255,255,255,.94);border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 8px 24px rgba(44,54,95,.06);padding:22px}.card h2,.card h3{margin-top:0;letter-spacing:-.35px}.card p{color:var(--muted);line-height:1.5}.action-card{border:0;text-align:left;transition:.18s transform,.18s box-shadow;width:100%;min-height:156px;position:relative}.action-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}.action-card .big-icon{font-size:32px;margin-bottom:14px}.action-card h3{margin:0 0 7px}.action-card p{margin:0;font-size:14px}.action-card .arrow{position:absolute;right:18px;top:18px;color:#a4a9b8}.section-title{display:flex;align-items:center;justify-content:space-between;margin:30px 0 14px}.section-title h2{margin:0;font-size:20px}.stat-card strong{font-size:30px;display:block;letter-spacing:-1px}.stat-card span{color:var(--muted);font-size:13px}.stat-card.good{background:linear-gradient(140deg,#f1fbf7,#fff)}.stat-card.purple{background:linear-gradient(140deg,#f2f0ff,#fff)}.stat-card.orange{background:linear-gradient(140deg,#fff7eb,#fff)}
.btn{border:0;border-radius:14px;padding:11px 17px;font-weight:800;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:.15s transform,.15s opacity;white-space:nowrap}.btn:active{transform:scale(.98)}.btn.primary{background:linear-gradient(135deg,var(--brand),var(--brand2));color:white;box-shadow:0 8px 18px rgba(79,70,229,.22)}.btn.secondary{background:var(--brand-soft);color:var(--brand)}.btn.ghost{background:#fff;color:var(--ink);border:1px solid var(--line)}.btn.danger{background:var(--bad-soft);color:var(--bad)}.btn.good{background:var(--good-soft);color:var(--good)}.btn.small{padding:8px 11px;border-radius:11px;font-size:13px}.btn.block{width:100%}.icon-btn{border:1px solid var(--line);background:#fff;border-radius:12px;width:42px;height:42px;display:grid;place-items:center;font-size:19px;color:var(--ink)}
.progress-track{height:12px;background:#eceef5;border-radius:99px;overflow:hidden}.progress-fill{height:100%;border-radius:99px;background:linear-gradient(90deg,var(--brand),#8b5cf6);transition:width .4s}.progress-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:9px;font-size:13px;font-weight:750}.muted{color:var(--muted)}.tiny{font-size:12px}.pill{display:inline-flex;align-items:center;gap:6px;border-radius:99px;padding:6px 10px;background:#f2f4f8;color:#475467;font-size:12px;font-weight:800}.pill.good{background:var(--good-soft);color:var(--good)}.pill.warn{background:var(--warn-soft);color:var(--warn)}.pill.bad{background:var(--bad-soft);color:var(--bad)}.pill.purple{background:var(--brand-soft);color:var(--brand)}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.field{display:flex;flex-direction:column;gap:7px}.field label{font-size:13px;font-weight:800;color:#344054}.input,.select{width:100%;border:1px solid #d9deea;background:#fff;border-radius:13px;padding:12px 13px;color:var(--ink)}.input:focus,.select:focus{border-color:#938cf2}.checkboxes{display:flex;gap:9px;flex-wrap:wrap}.check-chip input{position:absolute;opacity:0;pointer-events:none}.check-chip span{display:inline-flex;border:1px solid var(--line);background:#fff;border-radius:99px;padding:9px 13px;font-size:13px;font-weight:750}.check-chip input:checked+span{background:var(--brand-soft);border-color:#cfcaff;color:var(--brand)}.switch-row{display:flex;align-items:center;justify-content:space-between;padding:14px 0;border-bottom:1px solid var(--line)}.switch{width:48px;height:28px;background:#d6d9e4;border-radius:99px;position:relative;border:0}.switch:after{content:"";width:22px;height:22px;position:absolute;left:3px;top:3px;border-radius:50%;background:#fff;box-shadow:0 2px 7px rgba(0,0,0,.18);transition:.2s}.switch.on{background:var(--brand)}.switch.on:after{transform:translateX(20px)}
.profile-gate{min-height:100vh;display:grid;place-items:center;padding:28px}.gate-panel{width:min(900px,100%);text-align:center}.gate-logo{width:84px;height:84px;border-radius:27px;display:grid;place-items:center;margin:0 auto 18px;background:linear-gradient(135deg,var(--brand),var(--brand2));font-size:40px;box-shadow:0 18px 38px rgba(79,70,229,.25)}.gate-panel h1{font-size:clamp(34px,7vw,58px);letter-spacing:-2px;margin:0}.gate-panel>p{color:var(--muted);margin:8px 0 30px}.profiles{display:flex;justify-content:center;gap:16px;flex-wrap:wrap}.profile-card{width:160px;background:#fff;border:1px solid var(--line);border-radius:24px;padding:20px;box-shadow:0 8px 24px rgba(44,54,95,.07);transition:.2s;position:relative}.profile-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}.profile-avatar{width:80px;height:80px;border-radius:28px;display:grid;place-items:center;background:linear-gradient(145deg,#ecebff,#f6f2ff);font-size:44px;margin:0 auto 12px}.profile-card strong{display:block;font-size:17px}.profile-card span{font-size:12px;color:var(--muted)}.parent-entry{margin-top:26px}
.test-shell{max-width:900px;margin:0 auto}.test-top{display:flex;align-items:center;gap:14px;margin-bottom:18px}.test-top .progress-track{flex:1}.timer{font-variant-numeric:tabular-nums;font-weight:900;background:#fff;border:1px solid var(--line);padding:8px 12px;border-radius:12px}.question-card{background:#fff;border:1px solid var(--line);border-radius:28px;padding:clamp(22px,5vw,42px);box-shadow:var(--shadow)}.question-type{text-transform:uppercase;letter-spacing:1.3px;color:var(--brand);font-size:11px;font-weight:900}.question-card h1{font-size:clamp(26px,5vw,42px);line-height:1.22;letter-spacing:-1px;margin:14px 0 11px}.question-word{color:var(--brand)}.question-note{color:var(--muted);margin-bottom:24px}.answers{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:13px}.answer{min-height:70px;border:2px solid var(--line);border-radius:16px;background:#fff;text-align:left;padding:14px 16px;font-weight:750;color:var(--ink);transition:.14s}.answer:hover:not(:disabled){border-color:#bab5ff;background:#faf9ff}.answer.correct{border-color:#5ec99a;background:var(--good-soft);color:#086542}.answer.wrong{border-color:#ec8a99;background:var(--bad-soft);color:#9d2237}.answer:disabled{cursor:default}.feedback{margin-top:18px;border-radius:18px;padding:17px 18px;display:none}.feedback.show{display:block}.feedback.good{background:var(--good-soft);border:1px solid #bfe9d7}.feedback.bad{background:var(--bad-soft);border:1px solid #f5c7ce}.feedback h3{margin:0 0 6px}.feedback p{margin:4px 0;color:#344054}.feedback-actions{display:flex;justify-content:flex-end;margin-top:14px}
.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:16px}.table{width:100%;border-collapse:collapse;background:#fff;min-width:650px}.table th,.table td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line);vertical-align:top}.table th{font-size:11px;text-transform:uppercase;letter-spacing:.7px;color:#667085;background:#f8f9fc;position:sticky;top:0}.table td{font-size:14px}.table tr:last-child td{border-bottom:0}.search-row{display:flex;gap:10px;margin-bottom:15px}.search-row .input{flex:1}.word-main{font-weight:900}.word-meta{font-size:12px;color:var(--muted);margin-top:3px}.word-detail{display:grid;gap:12px}.word-detail h2{font-size:34px;margin:0}.definition{font-size:18px;line-height:1.55}.chips{display:flex;flex-wrap:wrap;gap:7px}.chip{padding:7px 10px;border-radius:10px;background:#f2f4f8;font-size:13px}.bar-list{display:grid;gap:14px}.bar-item .top{display:flex;justify-content:space-between;font-size:13px;font-weight:750;margin-bottom:6px}.bar{height:9px;background:#eceef5;border-radius:99px;overflow:hidden}.bar>span{display:block;height:100%;background:linear-gradient(90deg,#5b55d7,#8b5cf6);border-radius:99px}.empty{text-align:center;padding:38px;color:var(--muted)}.empty-icon{font-size:40px;margin-bottom:10px}.badge-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.badge{border:1px solid var(--line);border-radius:17px;padding:15px;text-align:center;background:#fff}.badge.locked{filter:grayscale(1);opacity:.48}.badge .badge-icon{font-size:34px}.badge strong{display:block;margin-top:7px}.badge span{font-size:11px;color:var(--muted)}
.modal-backdrop{position:fixed;inset:0;background:rgba(22,26,45,.52);backdrop-filter:blur(6px);display:grid;place-items:center;padding:18px;z-index:100}.modal{background:#fff;border-radius:24px;box-shadow:0 24px 70px rgba(0,0,0,.22);width:min(560px,100%);max-height:90vh;overflow:auto;padding:25px}.modal h2{margin:0 0 8px}.modal p{color:var(--muted);line-height:1.5}.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:20px}.toast{position:fixed;left:50%;bottom:calc(22px + env(safe-area-inset-bottom));transform:translate(-50%,120px);opacity:0;background:#20263a;color:#fff;padding:12px 17px;border-radius:13px;box-shadow:var(--shadow);z-index:200;transition:.24s;max-width:90vw;text-align:center;font-weight:700}.toast.show{transform:translate(-50%,0);opacity:1}.dropzone{border:2px dashed #cfd3e5;border-radius:17px;padding:24px;text-align:center;background:#fafbff}.dropzone.drag{border-color:var(--brand);background:var(--brand-soft)}.callout{border-radius:17px;padding:16px;background:var(--brand-soft);border:1px solid #d8d5ff;color:#3d378b}.callout.warn{background:var(--warn-soft);border-color:#ffd9a8;color:#814300}.summary-score{width:150px;height:150px;margin:0 auto 20px;border-radius:50%;display:grid;place-items:center;background:conic-gradient(var(--brand) var(--score-angle),#eceef5 0);position:relative}.summary-score:after{content:"";position:absolute;width:116px;height:116px;border-radius:50%;background:#fff}.summary-score div{position:relative;z-index:1;text-align:center}.summary-score strong{font-size:34px;display:block}.summary-score span{font-size:12px;color:var(--muted)}.mobile-nav{display:none}
@media(max-width:900px){.layout{grid-template-columns:1fr}.sidebar{display:none}.content{padding-top:24px}.topbar{padding:0 16px}.brand small{display:none}.mobile-nav{display:grid;grid-template-columns:repeat(5,1fr);position:fixed;left:10px;right:10px;bottom:var(--safe-bottom);z-index:40;background:rgba(255,255,255,.94);backdrop-filter:blur(18px);border:1px solid var(--line);border-radius:20px;padding:7px;box-shadow:0 14px 42px rgba(35,40,70,.16)}.mobile-nav .nav-btn{display:flex;flex-direction:column;gap:2px;padding:7px 3px;margin:0;text-align:center;align-items:center;font-size:10px}.mobile-nav .nav-icon{font-size:20px}.grid.four{grid-template-columns:repeat(2,1fr)}.grid.three{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){.content{padding-left:14px;padding-right:14px}.page-head{display:block}.page-head .btn{margin-top:12px}.grid.two,.grid.three,.grid.four,.form-grid{grid-template-columns:1fr}.answers{grid-template-columns:1fr}.hero{padding:23px}.hero-stats{gap:8px}.hero-chip{min-width:calc(50% - 5px)}.card{padding:18px}.profile-card{width:145px}.badge-grid{grid-template-columns:repeat(2,1fr)}.topbar .top-actions .hide-mobile{display:none}.question-card{border-radius:22px}.search-row{flex-wrap:wrap}.search-row .input{min-width:100%}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}