.gate{position:fixed;inset:0;z-index:40;display:grid;place-items:center;padding:24px;overflow:auto;background:
  radial-gradient(circle at 14% 16%,#ffe7b8 0,transparent 26%),
  radial-gradient(circle at 88% 10%,#cfeee8 0,transparent 24%),
  radial-gradient(circle at 82% 86%,#f8d7e4 0,transparent 22%),
  radial-gradient(circle at 8% 84%,#d7e6f8 0,transparent 20%),
  #f6f3ee}
.gate[hidden]{display:none !important}
.gate-decor{position:absolute;inset:0;overflow:hidden;pointer-events:none}
.gate-float{position:absolute;font-family:Georgia,serif;font-weight:800;color:#11263c;opacity:.13;user-select:none;animation:gate-drift 9s ease-in-out infinite}
.gate-float.f1{top:10%;left:9%;font-size:72px}
.gate-float.f2{top:18%;right:11%;font-size:48px;animation-delay:-2s}
.gate-float.f3{bottom:14%;left:12%;font-size:56px;animation-delay:-4s}
.gate-float.f4{bottom:18%;right:14%;font-size:40px;animation-delay:-6s}
@keyframes gate-drift{50%{transform:translateY(-10px)}}
.gate-stage{position:relative;z-index:1;width:min(440px,100%)}
.gate-card{width:100%;background:#fffefb;border:1px solid #efe4d2;border-radius:28px;padding:26px 26px 20px;box-shadow:0 24px 60px rgba(17,38,60,.1)}
.gate-hello{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.gate-mark{width:64px;height:64px;border-radius:22px;display:grid;place-items:center;flex:none;background:linear-gradient(160deg,#ffe7a8,#f2ba57);color:#11263c;font-family:Georgia,serif;font-size:40px;font-weight:800;box-shadow:0 10px 22px rgba(242,186,87,.38);animation:gate-bob 3.4s ease-in-out infinite}
.gate-bubble{background:#e8f6f3;color:#0b6e6c;border-radius:18px 18px 18px 6px;padding:8px 14px;font-weight:800}
@keyframes gate-bob{50%{transform:translateY(-4px)}}
.gate-card h1{margin:6px 0 8px;font-size:32px;letter-spacing:-.045em;line-height:1.12}
.gate-swap{display:grid}
.gate-swap span{grid-area:1/1}
.gate-swap span:first-child{animation:gate-fade-tr 8s ease-in-out infinite}
.gate-swap span:last-child{animation:gate-fade-ro 8s ease-in-out infinite}
@keyframes gate-fade-tr{0%,36%{opacity:1}50%,86%{opacity:0}100%{opacity:1}}
@keyframes gate-fade-ro{0%,36%{opacity:0}50%,86%{opacity:1}100%{opacity:0}}
.gate-lead{color:var(--muted);line-height:1.55;margin:0 0 18px}
.gate-card input{border-radius:14px;background:#fbfcfd}
.gate-card .field{margin-bottom:16px}
.gate-sum{display:inline-block;margin-left:6px;background:#fff4df;color:#9a6b24;border-radius:999px;padding:2px 9px;font-weight:800}
.gate-card .primary{border-radius:14px;justify-content:center;padding:14px 17px}
.gate-wait{display:grid;justify-items:center;gap:14px;text-align:center;padding:36px 26px}
.gate-wait[hidden]{display:none}
.gate-wait p{margin:0;color:var(--muted);font-weight:700}
.gate-submit{max-height:72px;overflow:hidden;transition:opacity .28s ease,max-height .42s ease,margin .42s ease}
.gate-foot{max-height:40px;margin:14px 0 0;overflow:hidden;text-align:center;transition:opacity .28s ease,max-height .42s ease,margin .42s ease}
.gate-guest{background:none;border:0;padding:0;color:#0b6e6c;font:inherit;font-size:13px;font-weight:800;cursor:pointer}
.gate-guest-note{max-height:0;margin-top:0;overflow:hidden;opacity:0;text-align:center;transform:translateY(16px)}
.gate-guest-note p{margin:0 0 10px;color:#6d7d8d;font-size:13px;line-height:1.45}
.gate-id{max-height:140px;overflow:hidden;transition:opacity .28s ease,max-height .42s ease,margin .42s ease}
#gate-answer.is-math-nudge{font-size:13px}
#gate-answer.is-math-nudge::placeholder{color:#9a6b24;opacity:1}
#gate-answer.is-math-limit,#gate-answer.is-math-limit::placeholder{font-size:11px}
.gate-guest-error:empty{display:none}
.gate-guest-error{margin:0 0 10px;color:#9a4b42;font-size:13px;font-weight:700;line-height:1.4}
#gate-form.is-guest-ask .gate-id,
#gate-form.is-guest-ask #gate-status,
#gate-form.is-guest-ask .gate-submit,
#gate-form.is-guest-ask .gate-foot{max-height:0;margin-top:0;margin-bottom:0;padding-top:0;padding-bottom:0;opacity:0;pointer-events:none}
#gate-form.is-guest-ask .gate-guest-note{max-height:16rem;margin-top:4px;opacity:1;transform:none;transition:max-height .45s ease .32s,margin .45s ease .32s,opacity .4s ease .32s,transform .45s ease .32s}
body.is-guest a.nav-item[href="admin/"]{display:none}
body.is-guest .session-only{display:flex}
button#test-back[hidden]{display:none}
.rail-bar,.rail-actions{display:contents}
.nav-toggle{display:none}
.site-foot{position:fixed;left:0;right:0;bottom:0;z-index:45;margin:0;padding:8px 16px 10px;text-align:center;color:#8a9aaa;font-size:12px;font-weight:700;pointer-events:none}
body:not(.auth-pending) .site-foot{left:240px}
@media(max-width:980px){body:not(.auth-pending) .site-foot{left:0}}
.trap{position:absolute;left:-9999px;height:0;width:0;overflow:hidden}
.gate-status{max-height:9rem;min-height:0;margin:0 0 12px;overflow:hidden;transition:opacity .28s ease,max-height .42s ease,margin .42s ease,padding .42s ease}
.gate-status:not(:empty){background:#f3faf8;border-radius:14px;padding:10px 12px;color:#3e596c;line-height:1.5}
.voice-load{position:fixed;inset:0;z-index:80;display:grid;place-items:center;padding:24px;background:rgba(243,247,249,.62);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}
.voice-load[hidden]{display:none}
.voice-load-card{width:min(340px,100%);background:#fff;border:1px solid #dce4e9;border-radius:22px;padding:28px 22px 22px;text-align:center;box-shadow:0 18px 48px rgba(17,38,60,.16)}
.voice-load-spin{display:block;width:44px;height:44px;margin:0 auto 16px;border:3px solid #dce4e9;border-top-color:#087e7c;border-radius:50%;animation:voice-spin .8s linear infinite}
.voice-load-card strong{display:block;font-size:18px;letter-spacing:-.03em}
.voice-load-card p{margin:8px 0 0;color:#4d6272;font-size:15px;line-height:1.55}
.voice-load-progress{min-height:1.4em;font-size:22px;font-weight:800;color:#11263c;letter-spacing:-.03em}
.setup-title-mobile{display:none}
.admin-only{display:none}
body.is-admin .settings-switch{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 16px}
.settings-switch button{border:1px solid #dce4e9;background:#fff;color:#1b3046;border-radius:999px;padding:8px 14px;font-weight:750}
.settings-switch button.active{background:#11263c;color:#fff;border-color:#11263c}
#settings-sessions[hidden]{display:none}
.session-tools{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:16px}
.session-tools label{display:grid;gap:6px;font-size:13px;font-weight:750;color:#6d7d8d}
.session-tools input,.session-tools select{min-width:min(100%,220px)}
.session-table-wrap{overflow:auto}
.session-table{width:100%;border-collapse:collapse;font-size:14px}
.session-table th,.session-table td{text-align:left;padding:10px 8px;border-bottom:1px solid #e1e9ed;vertical-align:top}
.session-table th{font-size:12px;letter-spacing:.04em;color:#6d7d8d;font-weight:750}
.session-table small,.session-line{display:block;color:#4d6272;line-height:1.45}
.session-pages{display:flex;align-items:center;gap:12px;margin-top:14px}
@keyframes voice-spin{to{transform:rotate(360deg)}}
@media (prefers-reduced-motion:reduce){.gate-mark,.gate-float,.gate-swap span{animation:none}.gate-swap span:last-child{opacity:0}.gate-status,.gate-submit,.gate-foot,.gate-id,.gate-guest-note,.study-layout,#test,.nav,.voice-load-spin{transition:none;animation:none}.choices.is-picked .choice,.choices.is-picked #next-question{transition:none;animation:none}}
.dev-link{display:block;margin-top:12px;word-break:break-all;color:var(--teal);font-weight:700}
body.auth-pending .shell{visibility:hidden}
.student-only{display:none}
body.is-student .student-only{display:flex}
body.is-admin .nav-item[data-view="home"],
body.is-admin .nav-item[data-view="profile"]{display:flex}
.session-only{display:none}
body.is-admin .session-only,body.is-student .session-only{display:flex}
body.is-student .staff-only{display:none}
body.is-student #setup-panel,body.is-student .import-panel,body.is-student .staff-setting{display:none}
body.is-student .study-layout{grid-template-columns:1fr}
.dash{display:grid;gap:22px}
.hello{margin:0;color:#6d7d8d;font-weight:700}
.resume-card{background:linear-gradient(180deg,#fff,#f7fbfb);border:1px solid #d5e4e2;border-radius:24px;padding:28px 26px 24px;box-shadow:0 12px 36px rgba(17,38,60,.05)}
.resume-card h1{margin:8px 0 6px;font-size:clamp(32px,4vw,46px);letter-spacing:-.05em}
.resume-card .topic{margin:0;font-size:18px;color:#3e596c}
.resume-meta{margin:10px 0 18px;color:#6d7d8d;font-weight:700}
.resume-card .primary{min-width:min(100%,280px);justify-content:center}
.stat-row{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px}
.stat-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:14px 14px 12px}
.stat-card span{display:block;color:#7d8d9b;font-size:12px;font-weight:800;letter-spacing:.08em}
.stat-card strong{display:block;margin-top:6px;font-size:26px;letter-spacing:-.04em}
.stat-card em{font-style:normal;color:#80909e;font-size:12px}
.dash-side{display:grid;grid-template-columns:1.3fr .7fr;gap:12px}
.soft-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px 16px 14px}
.soft-card h2{margin:0 0 10px;font-size:16px}
.today-list{display:grid;gap:6px;margin:0 0 14px;padding:0;list-style:none;color:#3e596c}
.today-list li{display:flex;justify-content:space-between;gap:12px}
.week{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:6px}
.week div{display:flex;flex-direction:column;align-items:center;justify-content:flex-end;min-height:78px}
.week i{display:block;width:100%;max-width:16px;height:6px;border-radius:999px;background:#d5ebe7}
.week b{display:block;margin-top:6px;font-size:11px;color:#7d8d9b;font-weight:700}
.week small{display:block;font-size:11px;color:#1b3046}
.streak{display:inline-flex;align-items:center;gap:6px;margin-left:8px;color:#9a6b24;font-weight:800}
.badges{display:flex;flex-wrap:wrap;gap:8px}
.badges span{background:#f6f1e6;color:#7a5b16;border-radius:999px;padding:6px 10px;font-size:12px;font-weight:700}
.review-actions-card{display:flex;flex-wrap:wrap;gap:10px}
.profile-card{max-width:560px;display:grid;gap:8px}
.mistake-groups{margin-bottom:16px}
.group-head{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:8px}
.group-list{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.group-list li{display:flex;justify-content:space-between;gap:12px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px 12px}
.lesson-row.is-locked{opacity:.55}
.lesson-status{margin-left:auto;font-size:12px;font-weight:800;color:#5d7384;white-space:nowrap}
.lesson-status.done{color:#176654}
.lesson-status.current{color:#0b6e6c}
.lesson-status.review{color:#9a6b24}
.alignment{margin-top:12px}
.aligned-pair p{margin:6px 0;line-height:1.7;font-size:17px}
.chunk,.gloss{border-radius:8px;padding:0 .28em}
.chunk.plain{padding:0}
.pair-0{background:#e7f3f1;color:#145e58}
.pair-1{background:#f8efd8;color:#7a5b16}
.pair-2{background:#e7eef8;color:#2c4f7a}
.pair-3{background:#f6e8ee;color:#7a3d58}
.pair-4{background:#e9f0e4;color:#3d5c32}
.pair-5{background:#f3eee8;color:#5c4a38}
.gloss{border:0;font:inherit;font-weight:700;position:relative}
.gloss .tip,button.gloss::after{content:attr(data-tip);position:absolute;left:0;bottom:calc(100% + 6px);background:#18334e;color:#fff;border-radius:8px;padding:4px 8px;font-size:12px;font-weight:650;white-space:nowrap;display:none;z-index:3}
.gloss:hover::after,.gloss.is-open::after{display:block}
.structure{margin-top:8px;color:#4d6272;font-size:14px}
.structure span{color:#9aa8b3}
.why-toggle{margin-top:8px;border:0;background:#f4f1ea;color:#6d5a3a;border-radius:999px;padding:6px 10px;font-weight:800}
.why{margin-top:8px;color:#3e596c;font-size:14px}
.why p{margin:4px 0}
.teach{margin-bottom:8px}
.teach p{margin:3px 0}
.mini-speech{display:inline-flex;align-items:center;margin-left:3px;vertical-align:middle}
.mini-speaker{padding:2px 4px;border-radius:8px}
.chunk-wrap{display:inline-flex;align-items:center}
@media(max-width:900px){.stat-row,.dash-side{grid-template-columns:1fr 1fr}.week{grid-template-columns:repeat(7,minmax(0,1fr))}}
@media(max-width:700px){.stat-row{grid-template-columns:1fr 1fr}.dash-side{grid-template-columns:1fr}.resume-card{padding:20px 16px}.gate-card{padding:22px 16px}}
@media(max-width:980px){
  .shell{grid-template-columns:minmax(0,1fr);width:100%;max-width:100%}
  main,.view,.dash,.rail,.nav{min-width:0;max-width:100%}
  .rail{position:sticky;top:0;z-index:50;display:block;padding:8px 12px}
  .rail-caption,.rail-bottom{display:none}
  .rail-bar{display:flex;align-items:center;justify-content:space-between;gap:8px}
  .rail-actions{display:flex;align-items:center;gap:6px;flex:none}
  .brand{display:flex;align-items:center;padding:0;font-size:15px;white-space:normal;min-width:0}
  .brand br{display:none}
  .brand strong{font-size:15px;margin-left:.35em}
  .brand-mark{width:30px;height:30px;font-size:20px;border-radius:9px}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;padding:0;border:0;border-radius:12px;background:rgba(255,255,255,.08);color:#fff}
  .nav-toggle-bars{display:block;width:18px;height:2px;border-radius:2px;background:#fff;box-shadow:0 -6px 0 #fff,0 6px 0 #fff}
  body.nav-open .nav-toggle-bars{background:transparent;box-shadow:none;position:relative}
  body.nav-open .nav-toggle-bars::before,body.nav-open .nav-toggle-bars::after{content:"";position:absolute;left:0;top:0;width:18px;height:2px;border-radius:2px;background:#fff}
  body.nav-open .nav-toggle-bars::before{transform:rotate(45deg)}
  body.nav-open .nav-toggle-bars::after{transform:rotate(-45deg)}
  body.nav-open::before{content:"";position:fixed;inset:0;background:rgba(8,18,32,.4);z-index:40}
  .nav{display:none;position:absolute;left:12px;right:12px;top:100%;flex-direction:column;gap:4px;margin:0;padding:8px;max-height:min(70vh,540px);overflow:auto;background:#18334e;border-radius:16px;box-shadow:0 16px 40px rgba(8,18,32,.35);z-index:2}
  body.nav-open .nav{display:flex;animation:menu-in .2s ease}
  .study-layout{display:block;width:100%;max-width:100%;min-width:0;overflow:hidden}
  #setup-panel,#test{width:100%;max-width:100%;min-width:0}
  body:not(.is-testing) #test{display:none}
  body.is-testing #setup-panel{display:none}
  body.is-testing #test{display:block;animation:test-screen-in .34s ease}
  body.is-testing #practice .section-head{display:none}
  #practice .section-head .eyebrow,#practice .practice-lead,#setup-panel label[for="lesson-select"],#pool-description,.setup-title-desktop{display:none}
  .setup-title-mobile{display:inline}
  body.is-testing #test-back{display:flex;align-items:center;justify-content:center;width:44px;height:44px;min-width:44px;padding:0;border-radius:12px;background:rgba(255,255,255,.08);color:#fff;font-size:22px;line-height:1;box-shadow:none}
  #next-question{scroll-margin-top:112px}
  .choices.is-picked{display:flex;flex-direction:column;gap:0}
  .choices.is-picked .choice{max-height:9rem;margin-bottom:10px;overflow:hidden;transition:max-height .36s ease,opacity .22s ease,margin .36s ease,padding .36s ease,min-height .36s ease,border-width .36s ease}
  .choices.is-picked .choice.is-picked{margin-bottom:0}
  .choices.is-picked .choice.is-leaving{max-height:0;min-height:0;margin:0;padding-top:0;padding-bottom:0;opacity:0;border-width:0;pointer-events:none}
  .choices.is-picked #next-question{width:100%;margin-top:10px;animation:next-rise .42s ease}
  .quiz-actions:empty{display:none}
  .nav .nav-item{flex:none;width:100%;font-size:16px;font-weight:750;line-height:1.2;padding:12px 14px;border-radius:12px;background:transparent;color:#e8eef3;gap:10px;text-align:left}
  .nav .nav-item>span:first-child{display:inline;width:22px}
  .nav .nav-item.active,.nav .nav-item:hover{background:#24415c;color:#fff;box-shadow:inset 3px 0 #f2ba57}
  .nav-count{display:inline-grid;margin-left:2px;min-width:18px;height:18px;background:#f2ba57;color:#11263c}
  .topbar{display:none}
  .view{padding:18px 16px 28px}
  .section-head{margin-bottom:16px;gap:10px}
  .section-head h1{font-size:26px;line-height:1.22;letter-spacing:-.03em;margin:0 0 8px}
  .section-head p,.gate-lead{font-size:16px;line-height:1.6}
  .eyebrow,.panel-label,.question-type{letter-spacing:.04em}
  .day-card{width:100%;min-width:0;display:flex;align-items:baseline;flex-wrap:wrap;gap:6px 8px;background:transparent;color:#6d7d8d;border-radius:0;padding:2px 0 0}
  .day-card span,.day-card small{font-size:14px;letter-spacing:0;color:inherit}
  .day-card strong{font-size:16px;color:#1b3046}
  .panel{padding:16px;border-radius:14px;box-shadow:none}
  .field{margin-bottom:16px}
  label{font-size:15px;margin-bottom:8px}
  input:not([type=file]),select,textarea{font-size:16px;padding:14px}
  .primary,.secondary{font-size:16px;padding:14px 16px}
  .quiz-actions .primary,.resume-card .primary,.soft-card .primary{width:100%;justify-content:center}
  .question{font-size:22px;line-height:1.45;letter-spacing:-.02em}
  .choice{font-size:17px;line-height:1.45;padding:16px;min-height:52px}
  .feedback{font-size:17px;line-height:1.6}
  .keyboard button{min-width:44px;height:44px;font-size:18px}
  .lesson-row strong{font-size:16px}
  .lesson-row small{font-size:14px}
  .stat-card strong{font-size:22px}
  .stat-card span{letter-spacing:.04em}
  .hint,.setup-note p,.resume-meta{font-size:15px;line-height:1.55}
  .resume-card h1{font-size:32px}
  .resume-card .topic{font-size:17px;line-height:1.45}
  .gate-float{display:none}
  .gate{padding:16px}
  .gate-card h1{font-size:28px}
  .site-foot{position:static;left:auto;padding:6px 16px 16px}
  .result-score{font-size:48px}
}
@keyframes menu-in{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}
@keyframes next-rise{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
@keyframes test-screen-in{from{opacity:0;transform:translateX(28px)}to{opacity:1;transform:none}}