:root{
  --bg:#f5f7fb;--panel:#ffffff;--text:#1f2937;--muted:#6b7280;--line:#e5e7eb;
  --brand:#315efb;--brand2:#6d5dfc;--green:#138a61;--amber:#c97a10;--red:#c54a4a;
  --soft:#eef3ff;--radius:18px;--shadow:0 8px 30px rgba(30,50,90,.08)
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--text)}
button,input,select,textarea{font:inherit}button{cursor:pointer}.app{min-height:100vh}.topbar{position:sticky;top:0;z-index:20;background:rgba(245,247,251,.94);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.topbar-inner{max-width:1180px;margin:auto;padding:14px 20px;display:flex;align-items:center;gap:16px}.brand{display:flex;align-items:center;gap:12px;font-weight:800}.brand-badge{width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,var(--brand),var(--brand2));color:white;display:grid;place-items:center;font-size:19px}.brand small{display:block;color:var(--muted);font-weight:600;font-size:11px}.top-actions{margin-left:auto;display:flex;align-items:center;gap:8px}.pill{border:1px solid var(--line);background:var(--panel);border-radius:999px;padding:8px 12px;color:var(--muted);font-size:13px}.layout{max-width:1180px;margin:0 auto;display:grid;grid-template-columns:220px minmax(0,1fr);gap:24px;padding:24px 20px 90px}.sidebar{position:sticky;top:85px;height:max-content}.nav{display:grid;gap:7px}.nav button{border:0;background:transparent;text-align:left;padding:11px 13px;border-radius:12px;color:var(--muted);font-weight:650}.nav button.active,.nav button:hover{background:var(--panel);color:var(--text);box-shadow:0 2px 10px rgba(30,50,90,.05)}.nav .ico{display:inline-block;width:25px}.main{min-width:0}.view{display:none}.view.active{display:block}.hero{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:18px}.hero h1{margin:0 0 7px;font-size:30px;letter-spacing:-.04em}.hero p{margin:0;color:var(--muted);max-width:700px;line-height:1.5}.grid{display:grid;gap:16px}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}.card h2,.card h3{margin:0 0 8px}.card p{color:var(--muted);line-height:1.5}.accent-card{background:linear-gradient(145deg,#ffffff,#f3f5ff);border-color:#dfe5ff}.today-head{display:flex;justify-content:space-between;gap:20px;align-items:center}.kicker{font-size:12px;text-transform:uppercase;letter-spacing:.12em;font-weight:800;color:var(--brand)}.big{font-size:26px;font-weight:800}.muted{color:var(--muted)}.btn{border:0;background:var(--brand);color:white;font-weight:750;border-radius:12px;padding:11px 15px;min-height:44px}.btn:hover{filter:brightness(.96)}.btn.secondary{background:var(--soft);color:var(--brand)}.btn.ghost{background:white;color:var(--text);border:1px solid var(--line)}.btn.danger{background:#fdecec;color:var(--red)}.btn.small{padding:8px 10px;min-height:auto;font-size:13px}.button-row{display:flex;flex-wrap:wrap;gap:9px}.tasks{display:grid;gap:10px;margin-top:14px}.task{display:flex;align-items:center;gap:12px;padding:12px;border:1px solid var(--line);border-radius:14px;background:#fff}.task.done{opacity:.64}.task-icon{width:42px;height:42px;border-radius:12px;background:var(--soft);display:grid;place-items:center;font-size:21px}.task-main{min-width:0;flex:1}.task-main strong{display:block}.task-main span{font-size:13px;color:var(--muted)}.check{width:28px;height:28px;border:1px solid var(--line);background:white;border-radius:50%;display:grid;place-items:center;color:white}.task.done .check{background:var(--green);border-color:var(--green)}.skills{display:grid;gap:14px}.skill-head{display:flex;justify-content:space-between;gap:10px;align-items:center}.level{font-size:12px;padding:5px 8px;border-radius:999px;background:#eef7f3;color:var(--green);font-weight:800}.level.warn{background:#fff5e7;color:var(--amber)}.bar{height:9px;background:#edf0f5;border-radius:999px;overflow:hidden;margin-top:8px}.bar>i{display:block;height:100%;background:linear-gradient(90deg,var(--brand),var(--brand2));border-radius:999px}.quest{padding:11px 0;border-bottom:1px solid var(--line)}.quest:last-child{border-bottom:0}.quest-top{display:flex;justify-content:space-between;gap:12px;font-size:13px}.mini-bar{height:6px;background:#eef0f5;border-radius:10px;margin-top:7px;overflow:hidden}.mini-bar i{display:block;height:100%;background:var(--green)}.gantt-controls{display:flex;gap:10px;flex-wrap:wrap;align-items:end;margin-bottom:16px}.field{display:grid;gap:6px}.field label{font-size:12px;font-weight:800;color:var(--muted)}.field input,.field select,.field textarea{border:1px solid var(--line);border-radius:10px;padding:10px;background:white;min-width:0}.gantt{display:grid;gap:9px}.phase{display:grid;grid-template-columns:170px 1fr;gap:14px;align-items:center}.phase-info strong{display:block}.phase-info small{color:var(--muted)}.phase-track{height:34px;background:#f0f2f7;border-radius:10px;position:relative;overflow:hidden}.phase-bar{position:absolute;top:5px;bottom:5px;border-radius:7px;background:linear-gradient(90deg,#5773f3,#7968ef);min-width:6px}.phase-bar.current{background:linear-gradient(90deg,#24a57a,#43bd95)}.phase-track .today-line{position:absolute;top:0;bottom:0;width:2px;background:#1f2937;opacity:.55}.section-tabs{display:flex;gap:8px;overflow:auto;margin-bottom:14px;padding-bottom:2px}.section-tabs button{white-space:nowrap;border:1px solid var(--line);background:white;border-radius:999px;padding:9px 12px}.section-tabs button.active{background:var(--text);color:white}.game-card{display:flex;flex-direction:column;gap:8px;min-height:180px}.game-card .game-ico{font-size:28px}.game-card .btn{margin-top:auto}.modal{position:fixed;inset:0;background:rgba(15,23,42,.45);z-index:50;display:none;align-items:center;justify-content:center;padding:18px}.modal.open{display:flex}.modal-box{background:white;border-radius:20px;border:1px solid var(--line);box-shadow:0 20px 80px rgba(0,0,0,.2);max-width:680px;width:100%;max-height:88vh;overflow:auto;padding:20px}.modal-head{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:12px}.close{border:0;background:#f2f4f7;width:36px;height:36px;border-radius:50%;font-size:18px}.choice-list{display:grid;gap:10px;margin:14px 0}.choice{border:1px solid var(--line);background:white;border-radius:12px;padding:12px;text-align:left}.choice:hover{border-color:#bdc8ff}.choice.correct{border-color:#94d7ba;background:#effbf5}.choice.wrong{border-color:#efb3b3;background:#fff3f3}.feedback{border-radius:12px;padding:12px;background:#f6f7fb;line-height:1.45}.flash-wrap{max-width:620px;margin:auto}.flashcard{background:linear-gradient(145deg,#fff,#f5f7ff);border:1px solid #dfe5ff;border-radius:24px;min-height:270px;padding:28px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;box-shadow:var(--shadow);cursor:pointer}.flashcard .front{font-size:28px;font-weight:800}.flashcard .back{font-size:20px;display:none}.flashcard.flipped .front{display:none}.flashcard.flipped .back{display:block}.flash-actions{display:flex;justify-content:center;gap:10px;margin-top:14px}.grammar-list{display:grid;gap:10px}.grammar-item{border:1px solid var(--line);background:white;border-radius:14px;padding:14px}.grammar-head{display:flex;justify-content:space-between;gap:10px;align-items:center}.status{font-size:11px;border-radius:999px;padding:5px 8px;font-weight:800}.status.weak{background:#fdeeee;color:var(--red)}.status.learning{background:#fff4e5;color:var(--amber)}.status.untested{background:#f0f2f6;color:#687080}.grammar-details{display:none;padding-top:10px}.grammar-item.open .grammar-details{display:block}.examples{display:flex;flex-wrap:wrap;gap:7px;margin:10px 0}.chip{font-size:12px;background:#f1f4fa;border-radius:999px;padding:6px 9px}.error-table{width:100%;border-collapse:collapse}.error-table th,.error-table td{padding:11px 9px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}.error-table th{font-size:12px;color:var(--muted)}.wrong{color:var(--red);text-decoration:line-through}.right{color:var(--green);font-weight:700}.scan-drop{border:2px dashed #cfd6e6;border-radius:18px;padding:28px;text-align:center;background:#fafbfe}.scan-drop input{margin-top:12px}.preview{max-width:100%;max-height:330px;border-radius:14px;margin-top:14px}.ocr-status{font-size:13px;color:var(--muted);margin-top:8px}.note-analysis{display:grid;gap:9px;margin-top:12px}.finding{border-left:4px solid var(--amber);background:#fff9ef;padding:10px 12px;border-radius:8px}.finding.ok{border-color:var(--green);background:#effaf5}.tutor-layout{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:16px}.chat{display:flex;flex-direction:column;min-height:520px}.messages{flex:1;display:grid;align-content:start;gap:10px;padding:6px 0 16px}.msg{max-width:82%;padding:11px 13px;border-radius:14px;line-height:1.45}.msg.bot{background:#f0f3fa}.msg.user{background:var(--brand);color:white;margin-left:auto}.chat-form{display:flex;gap:8px}.chat-form input{flex:1;border:1px solid var(--line);border-radius:12px;padding:12px;min-width:0}.voice-btn{width:44px;border-radius:12px;border:1px solid var(--line);background:white}.timer{font-variant-numeric:tabular-nums;font-size:26px;font-weight:800}.writing-area{width:100%;min-height:230px;border:1px solid var(--line);border-radius:14px;padding:14px;resize:vertical}.meta-row{display:flex;justify-content:space-between;gap:10px;color:var(--muted);font-size:13px;margin:9px 0}.official-link{display:block;padding:11px 0;border-bottom:1px solid var(--line);color:var(--brand);text-decoration:none;font-weight:700}.official-link:last-child{border-bottom:0}.bottom-nav{display:none}.toast{position:fixed;right:18px;bottom:18px;background:#111827;color:#fff;border-radius:12px;padding:11px 14px;z-index:70;opacity:0;transform:translateY(10px);pointer-events:none;transition:.2s}.toast.show{opacity:1;transform:translateY(0)}
@media(max-width:900px){.layout{grid-template-columns:1fr}.sidebar{display:none}.grid-4{grid-template-columns:repeat(2,1fr)}.tutor-layout{grid-template-columns:1fr}.bottom-nav{position:fixed;left:0;right:0;bottom:0;z-index:30;display:grid;grid-template-columns:repeat(5,1fr);background:white;border-top:1px solid var(--line);padding:6px 4px}.bottom-nav button{border:0;background:transparent;padding:7px 2px;font-size:11px;color:var(--muted)}.bottom-nav .bico{display:block;font-size:19px}.bottom-nav button.active{color:var(--brand);font-weight:800}}
@media(max-width:680px){.topbar-inner{padding:11px 14px}.brand span:last-child{display:none}.layout{padding:18px 12px 90px}.hero{align-items:flex-start;flex-direction:column}.hero h1{font-size:26px}.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}.today-head{align-items:flex-start;flex-direction:column}.phase{grid-template-columns:1fr}.phase-track{height:28px}.error-table thead{display:none}.error-table,.error-table tbody,.error-table tr,.error-table td{display:block;width:100%}.error-table tr{padding:8px 0;border-bottom:1px solid var(--line)}.error-table td{border:0;padding:5px 0}.flashcard{min-height:230px}.flashcard .front{font-size:24px}.msg{max-width:92%}.top-actions .pill{display:none}}

.voice-panel{position:fixed;right:18px;bottom:18px;z-index:85;width:min(420px,calc(100vw - 24px));max-height:72vh;overflow:auto;background:white;border:1px solid var(--line);border-radius:18px;padding:16px;box-shadow:0 24px 80px rgba(15,23,42,.25);display:grid;gap:12px}
.voice-transcript{display:grid;gap:8px;max-height:300px;overflow:auto;font-size:13px;line-height:1.45}
.voice-transcript>div{padding:9px 10px;border-radius:10px;background:#f6f7fb}
.voice-result{background:#fff!important;padding:0!important}
@media(max-width:680px){.voice-panel{left:12px;right:12px;bottom:78px;width:auto;max-height:68vh}}

.vocab-summary{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin-bottom:14px}
.vocab-stat{background:white;border:1px solid var(--line);border-radius:14px;padding:13px;display:flex;align-items:baseline;gap:8px}
.vocab-stat strong{font-size:24px}.vocab-stat span{font-size:12px;color:var(--muted);font-weight:700}
.vocab-stat.good{border-left:5px solid #138a61}.vocab-stat.ok{border-left:5px solid #d79a1e}.vocab-stat.bad{border-left:5px solid #c54a4a}.vocab-stat.new{border-left:5px solid #9aa1ad}
.vocab-toolbar{display:grid;gap:12px;margin-bottom:14px}.vocab-search input{width:min(420px,100%)}
.vocab-filter-row{display:flex;flex-wrap:wrap;gap:7px}.vocab-filter{border:1px solid var(--line);background:#fff;border-radius:999px;padding:8px 11px;font-size:12px;font-weight:750;color:var(--muted)}
.vocab-filter.active{background:var(--text);border-color:var(--text);color:#fff}.vocab-filter.status-good:not(.active){color:#138a61;background:#eef9f4}.vocab-filter.status-ok:not(.active){color:#a76a00;background:#fff7e8}.vocab-filter.status-bad:not(.active){color:#b83f3f;background:#fff0f0}.vocab-filter.status-new:not(.active){color:#687080;background:#f2f4f7}
.vocab-list{display:grid;gap:9px}.vocab-item{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:14px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:15px;padding:14px}
.vocab-title-row{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.vocab-title-row strong{font-size:17px}.vocab-translation{margin:4px 0;color:#424a59}.vocab-main small{color:var(--muted)}
.vocab-side{display:grid;justify-items:end;gap:8px}.mastery{font-size:11px;font-weight:850;border-radius:999px;padding:6px 9px;white-space:nowrap}.mastery-good{background:#e8f7ef;color:#0b7852}.mastery-ok{background:#fff4dd;color:#9a6200}.mastery-bad{background:#fdeaea;color:#b53636}.mastery-new{background:#eef0f4;color:#687080}
.mastery-actions{display:flex;gap:4px}.mastery-actions button{border:1px solid var(--line);background:#fff;border-radius:9px;width:34px;height:32px;padding:0}
.flash-choices .choice{text-align:left}
@media(max-width:680px){.vocab-summary{grid-template-columns:repeat(2,minmax(0,1fr))}.vocab-item{grid-template-columns:1fr}.vocab-side{justify-items:start}.vocab-search input{width:100%}}

.mobile-label{display:none}
@media(max-width:680px){
  .topbar-inner{padding:8px 10px;gap:8px;min-height:58px}
  .brand{gap:8px;min-width:0}
  .brand-badge{width:34px;height:34px;border-radius:10px;font-size:16px;flex:0 0 34px}
  .brand>div:last-child{min-width:0}
  .brand span{font-size:16px;white-space:nowrap}
  .brand small{display:none}
  .top-actions{gap:5px;min-width:0}
  #syncBtn{font-size:0;width:38px;height:38px;padding:0;min-height:38px;border-radius:12px}
  #syncBtn::after{content:"☁️";font-size:16px}
  #quick5{padding:7px 10px;min-height:38px;font-size:13px}
  #quick5 .wide-label{display:none}
  #quick5 .mobile-label{display:inline}
  .main{padding-top:2px}
  .bottom-nav{padding-bottom:max(6px,env(safe-area-inset-bottom))}
}

/* ===== v2.0 — exam engine, spaced repetition, conjugation ===== */
.topbar{border-bottom:3px solid transparent;border-image:linear-gradient(90deg,#1d3fbf 0 33.3%,#ffffff 33.3% 66.6%,#d8323c 66.6% 100%) 1}
.ai-tag{display:inline-block;font-size:10px;font-weight:800;letter-spacing:.04em;padding:2px 6px;border-radius:6px;background:#fff1e6;color:#b4530f;vertical-align:middle}
.bar{position:relative}.bar-target{position:absolute;top:0;bottom:0;left:75%;width:2px;background:#d8323c;opacity:.55}
.skills small{display:block;margin-top:4px;font-size:11.5px}
.status.reliable,.status.mastered{background:#eef9f4;color:var(--green)}
.doc-box{white-space:pre-line;background:#fbfcff;border:1px solid var(--line);border-left:4px solid var(--brand);border-radius:12px;padding:14px 16px;line-height:1.55;margin:12px 0}
.checklist{margin:8px 0 12px;padding-left:20px;color:var(--muted);line-height:1.6}
.prompt-group{margin:22px 0 10px}.prompt-group:first-child{margin-top:4px}
.prompt-card p{font-size:14px;color:var(--muted)}.prompt-card.seen{opacity:.75}
#wc.ok,#rWc.ok{color:var(--green);font-weight:700}
.examiner-reveal{margin-top:12px;font-size:14px}.examiner-reveal summary{cursor:pointer;color:var(--muted)}
.choice.selected{border-color:var(--brand);background:var(--soft);font-weight:600}
.btn.small{padding:8px 12px;font-size:13px}

/* runner overlay */
body.exam-open{overflow:hidden}
.exam-runner{position:fixed;inset:0;z-index:60;background:var(--bg);overflow-y:auto;-webkit-overflow-scrolling:touch}
.runner{max-width:760px;margin:0 auto;min-height:100%;padding:0 16px calc(28px + env(safe-area-inset-bottom))}
.runner-head{position:sticky;top:0;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:calc(12px + env(safe-area-inset-top)) 0 12px;background:rgba(245,247,251,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.runner-head strong{font-size:17px}.runner-head .muted{font-size:12.5px}
.runner-right{display:flex;align-items:center;gap:10px}
.runner-right .timer{font-size:20px}.timer.low{color:var(--red)}
.runner-body{padding-top:14px}
.runner-body h3.q{margin:16px 0 4px;line-height:1.4}
.runner-nav{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-top:14px}
.dots{display:flex;flex-wrap:wrap;gap:5px;justify-content:center;margin-top:16px}
.dots i{width:9px;height:9px;border-radius:50%;background:#dfe3ea}.dots i.done{background:#9fb3ff}.dots i.cur{background:var(--brand);transform:scale(1.25)}
.intro-card{text-align:center;padding:28px 20px}.intro-card .btn{margin-top:10px}
.audio-box{display:flex;align-items:center;gap:12px;flex-wrap:wrap;background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:14px;margin:12px 0}
.exam-area{min-height:42vh}
.result-card .big{font-size:30px;font-weight:800;margin:6px 0}
.review{border-top:1px solid var(--line);padding:10px 0}.review summary{cursor:pointer;font-weight:600;line-height:1.4}
.review .wrong{color:var(--red)}.review .right{color:var(--green);font-weight:700}
.transcript{margin-top:8px}.transcript summary{cursor:pointer;color:var(--muted)}
.history-table td,.history-table th{text-align:center;white-space:nowrap}.history-table td:first-child,.history-table th:first-child{text-align:left}

/* flashcards & vocabulary */
.deck-controls{display:grid;gap:10px;margin-bottom:14px}
.deck-controls select,.vocab-selects select,.conj-form input{border:1px solid var(--line);border-radius:12px;padding:10px 12px;background:var(--panel);color:var(--text);min-width:0;width:100%}
.vocab-selects{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:10px}
.vocab-detail{font-size:12.5px;color:var(--brand);margin:3px 0}
.vocab-count{margin:4px 2px 10px;font-size:13px}
.conj-btn{margin-top:8px}

/* grammar & conjugation */
.grammar-section{margin:22px 0 8px;font-size:15px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted)}
.mistakes{margin:12px 0;display:grid;gap:8px}
.mistake{display:grid;gap:2px;background:#fffafa;border:1px solid #f4dede;border-radius:12px;padding:10px 12px}
.mistake .wrong{color:var(--red);text-decoration:line-through;text-decoration-color:rgba(197,74,74,.5)}
.mistake .right{color:var(--green);font-weight:700}
.drill{margin-top:10px}
.conj-card{margin-bottom:6px}
.conj-form{display:flex;gap:8px;margin:10px 0}
.conj-head{display:flex;flex-wrap:wrap;gap:6px;align-items:center;margin:10px 0}.conj-head strong{font-size:20px;margin-right:6px}
.conj-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:10px}
.conj-table{border:1px solid var(--line);border-radius:12px;padding:10px 12px;background:var(--panel)}
.conj-table h4{margin:0 0 6px;font-size:13px;color:var(--brand)}
.conj-table ul{list-style:none;margin:0;padding:0;line-height:1.6;font-size:14.5px}

@media(max-width:680px){
  .runner{padding:0 12px calc(24px + env(safe-area-inset-bottom))}
  .runner-head strong{font-size:15px}
  .conj-grid{grid-template-columns:1fr 1fr}
  .conj-table ul{font-size:13.5px}
  .vocab-selects{grid-template-columns:1fr}
  .conj-form{flex-direction:column}
}
.conj-table{overflow-wrap:anywhere}

/* ===== Paris la nuit — night theme (build 12) =====
   Midnight sky, lamplight gold for actions, Seine blue for information. */
:root{
  --bg:#0f1a36;--panel:#172447;--panel2:#1e2e58;--text:#eef0f8;--muted:#a3adc9;--line:#2c3d6b;
  --brand:#f3c66d;--brand2:#e3a24a;--ink:#1d1606;--seine:#8fb0ff;
  --green:#67d4a3;--amber:#f2b75b;--red:#ff8a8a;--soft:rgba(243,198,109,.12);
  --shadow:0 10px 30px rgba(3,8,24,.35);color-scheme:dark
}
body{background:radial-gradient(120% 70% at 70% -10%,#22346a 0%,rgba(34,52,106,0) 60%),var(--bg);background-attachment:fixed;font-family:Manrope,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif}
h1,h2,.hero h1,.brand span,.big,.result-card .big,.timer,.conj-head strong{font-family:Marcellus,Georgia,serif;letter-spacing:0;font-weight:400}
.hero h1{font-size:34px}
.kicker{text-transform:none;letter-spacing:.01em;font-size:13px;font-weight:700;color:var(--seine)}
a{color:var(--seine)}
.topbar{background:rgba(15,26,54,.88)}
.brand-badge{color:var(--ink);font-family:Marcellus,Georgia,serif}
.nav button.active,.nav button:hover{background:var(--panel2);box-shadow:none}
.nav button.active{color:var(--brand)}
.accent-card{background:linear-gradient(160deg,#21335f,#172447 70%);border-color:#34497d}
.btn{color:var(--ink)}
.btn:hover{filter:brightness(1.06)}
.btn.secondary{background:var(--panel2);color:var(--brand);border:1px solid #3a4f84}
.btn.ghost{background:transparent;color:var(--text);border:1px solid var(--line)}
.btn.danger{background:rgba(255,138,138,.14);color:var(--red)}
.btn:focus-visible,.choice:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.task{background:var(--panel2);border-color:var(--line)}
.task-icon{background:rgba(143,176,255,.12)}
.check{background:transparent;color:var(--brand)}
.task.done .check{background:var(--brand);color:var(--ink);border-color:var(--brand)}
.level{background:rgba(103,212,163,.14)}.level.warn{background:rgba(242,183,91,.14)}
.bar,.mini-bar{background:#26365f}
.bar>i,.mini-bar>i{background:linear-gradient(90deg,#8fb0ff,#f3c66d)}
.bar-target{background:#ff6b6b;opacity:.8}
.field input,.field select,.field textarea,.writing-area,.chat-form input,.deck-controls select,.vocab-selects select,.conj-form input{background:#111d3d;color:var(--text);border-color:var(--line)}
input::placeholder,textarea::placeholder{color:#7783a3}
.phase-track{background:#1a2850}.phase-bar{background:linear-gradient(90deg,#5d7fe0,#8fb0ff)}.phase-bar.current{background:linear-gradient(90deg,#e3a24a,#f3c66d)}.phase-track .today-line{background:#fff}
.section-tabs button,.vocab-filter{background:var(--panel);color:var(--muted);border-color:var(--line)}
.section-tabs button.active,.vocab-filter.active{background:var(--brand);border-color:var(--brand);color:var(--ink)}
.vocab-filter.status-good:not(.active){color:var(--green);background:rgba(103,212,163,.1)}
.vocab-filter.status-ok:not(.active){color:var(--amber);background:rgba(242,183,91,.1)}
.vocab-filter.status-bad:not(.active){color:var(--red);background:rgba(255,138,138,.1)}
.vocab-filter.status-new:not(.active){color:var(--muted);background:rgba(163,173,201,.08)}
.modal{background:rgba(5,10,28,.7)}
.modal-box{background:var(--panel);box-shadow:0 30px 90px rgba(0,0,0,.5)}
.close{background:var(--panel2);color:var(--text)}
.choice{background:var(--panel2);color:var(--text);border-color:var(--line)}
.choice:hover{border-color:#5a72b4}
.choice.correct{border-color:#3fae80;background:rgba(103,212,163,.14)}
.choice.wrong{border-color:#c85a5a;background:rgba(255,138,138,.12)}
.choice.selected{background:rgba(243,198,109,.12);border-color:var(--brand)}
.choice:disabled{color:#b9c1d8}
.feedback{background:#13204a;border:1px solid var(--line)}
.flashcard{background:linear-gradient(160deg,#22356a,#172447);border-color:#34497d}
.grammar-item{background:var(--panel)}
.status.weak{background:rgba(255,138,138,.14)}.status.learning{background:rgba(242,183,91,.14)}.status.untested{background:rgba(163,173,201,.12);color:var(--muted)}
.status.reliable,.status.mastered{background:rgba(103,212,163,.14)}
.chip{background:#22325f;color:#d5dbef}
.scan-drop{background:#13204a;border-color:#3a4f84}
.finding{background:rgba(242,183,91,.1)}.finding.ok{background:rgba(103,212,163,.1)}
.msg.bot{background:var(--panel2)}.msg.user{color:var(--ink)}
.voice-btn{background:var(--panel2);color:var(--text)}
.toast{background:#f3c66d;color:var(--ink);font-weight:700}
.bottom-nav{background:rgba(15,26,54,.96);backdrop-filter:blur(12px)}
.bottom-nav button{color:var(--muted)}.bottom-nav button.active{color:var(--brand)}
.voice-panel{background:var(--panel)}
.voice-transcript>div{background:var(--panel2)}.voice-result{background:transparent!important}
.vocab-stat,.vocab-item{background:var(--panel)}
.vocab-stat.good{border-left-color:var(--green)}.vocab-stat.ok{border-left-color:var(--amber)}.vocab-stat.bad{border-left-color:var(--red)}.vocab-stat.new{border-left-color:#6b7799}
.vocab-translation{color:#c9d0e6}.vocab-detail{color:var(--seine)}
.mastery-good{background:rgba(103,212,163,.14);color:var(--green)}.mastery-ok{background:rgba(242,183,91,.14);color:var(--amber)}.mastery-bad{background:rgba(255,138,138,.14);color:var(--red)}.mastery-new{background:rgba(163,173,201,.12);color:var(--muted)}
.mastery-actions button{background:var(--panel2)}
.ai-tag{background:rgba(243,198,109,.16);color:var(--brand)}
.doc-box{background:#121e42;border-left-color:var(--seine)}
.runner-head{background:rgba(15,26,54,.95)}
.dots i{background:#2c3d6b}.dots i.done{background:#5d7fe0}.dots i.cur{background:var(--brand)}
.mistake{background:rgba(255,138,138,.06);border-color:#4a3550}
.conj-table{background:var(--panel2)}.conj-table h4{color:var(--brand)}
.error-table th{color:var(--muted)}.error-table td{border-color:var(--line)}
.official-link{color:var(--seine)}
.pill{background:var(--panel);color:var(--muted)}
.audio-box{background:var(--panel)}
.exam-runner{background:radial-gradient(120% 60% at 80% -10%,#22346a 0%,rgba(34,52,106,0) 60%),var(--bg)}
.review .right,.mistake .right{color:var(--green)}

/* Skyline hero: the one decorative moment */
.hero-night{position:relative;overflow:hidden;align-items:flex-start;flex-direction:column;gap:14px;padding:22px 22px 150px;border-radius:24px;border:1px solid #2f4377;background:linear-gradient(180deg,#0b1430 0%,#16285a 62%,#2b3d73 100%)}
.hero-night>*:not(.skyline){position:relative;z-index:1}
.hero-night p{color:#c8d0ea}
.skyline{position:absolute;left:0;right:0;bottom:0;width:100%;height:170px;z-index:0;pointer-events:none}
.skyline .beam{transform-origin:530px 15px;animation:beam 10s ease-in-out infinite}
.skyline .twinkle{animation:twinkle 4s ease-in-out infinite}
.skyline .twinkle:nth-of-type(3n){animation-delay:1.3s}.skyline .twinkle:nth-of-type(3n+1){animation-delay:2.6s}
@keyframes beam{0%{transform:scaleX(1);opacity:1}45%{transform:scaleX(-1);opacity:.6}50%{transform:scaleX(-1);opacity:.6}95%,100%{transform:scaleX(1);opacity:1}}
@keyframes twinkle{0%,100%{opacity:.9}50%{opacity:.25}}
@media(prefers-reduced-motion:reduce){.skyline .beam,.skyline .twinkle{animation:none}}
@media(min-width:681px){.hero-night{padding:28px 30px 170px}.hero-night h1{font-size:40px}.skyline{height:200px}}
.flash-choices .choice{font-size:17px;font-weight:600;line-height:1.35}

/* Skyline kept small at the bottom of every screen (build 13) */
.city-bg{position:fixed;left:0;right:0;bottom:0;height:96px;z-index:0;pointer-events:none;opacity:.6}
.city-bg .skyline-mini{position:absolute;inset:auto 0 0 0;width:100%;height:96px}
.layout,.topbar{position:relative;z-index:1}
.topbar{z-index:20}
.bottom-nav{z-index:30}
body[data-view="today"] .city-bg{display:none}
.modal{z-index:50}
.exam-runner .city-bg{position:fixed;opacity:.45}
.exam-runner .runner{position:relative;z-index:1}
@media(max-width:680px){.city-bg{bottom:calc(58px + env(safe-area-inset-bottom));height:78px}.city-bg .skyline-mini{height:78px}.exam-runner .city-bg{bottom:0}}
@media(min-width:681px){.city-bg{height:120px}.city-bg .skyline-mini{height:120px}}
.layout{padding-bottom:150px}
.city-bg::after{content:"";position:absolute;left:0;right:0;bottom:0;height:7%;min-height:5px;background:#091129}
.city-bg::before{content:"";position:absolute;left:0;right:0;bottom:0;height:16%;background:linear-gradient(180deg,rgba(12,21,49,0),#0c1531)}
/* let the skyline glow through panels */
:root{--panel:rgba(23,36,71,.86);--panel2:rgba(30,46,88,.88)}
.card,.vocab-item,.vocab-stat,.grammar-item,.task,.flashcard,.feedback,.doc-box{-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}
.flashcard{background:linear-gradient(160deg,rgba(34,53,106,.9),rgba(23,36,71,.86))}
.accent-card{background:linear-gradient(160deg,rgba(33,51,95,.9),rgba(23,36,71,.86))}
@media(min-width:681px){.city-bg{height:170px}.city-bg .skyline-mini{height:170px}}

/* ===== Grammar topic pages & practice (build 15) ===== */
.topic-link{display:block;width:100%;text-align:left;color:var(--text);font:inherit;cursor:pointer}
.topic-link:hover{border-color:#5a72b4}
.topic-link .grammar-head{align-items:center}
.topic-side{display:flex;align-items:center;gap:10px;flex-shrink:0}
.chev{font-size:24px;color:var(--brand);line-height:1}
.topic-sub{font-size:12px;color:var(--seine);margin-top:4px}
.topic-page{max-width:820px}
.back-link{border:0;background:none;color:var(--seine);font-weight:700;padding:6px 0;margin-bottom:6px;cursor:pointer}
.topic-hero{padding:6px 0 16px}
.topic-hero h1{font-size:32px;margin:4px 0 6px}
.topic-hero p{color:var(--muted);line-height:1.5;margin:0 0 12px}
.topic-meta{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}
.topic-sec{margin-bottom:14px}
.topic-sec h2{font-size:21px;margin:0 0 10px;color:var(--brand)}
.rule-list{margin:0;padding-left:22px;line-height:1.6}
.rule-list li{margin-bottom:6px}
.rule-more{margin-top:10px}.rule-more summary{cursor:pointer;color:var(--seine)}
.table-wrap{overflow-x:auto;margin-top:12px}
.topic-table{border-collapse:collapse;width:100%;font-size:14px}
.topic-table th,.topic-table td{border:1px solid var(--line);padding:8px 10px;text-align:left;vertical-align:top}
.topic-table th{background:rgba(143,176,255,.1);color:var(--seine)}
.tip-list{margin:0;padding-left:20px;line-height:1.6}
.tip-list li::marker{content:"✦  ";color:var(--brand)}
.ex-list{display:grid;gap:10px}
.ex{display:grid;grid-template-columns:auto 1fr;gap:10px;align-items:start;padding:10px;border:1px solid var(--line);border-radius:12px;background:rgba(17,29,61,.5)}
.say{border:1px solid var(--line);background:var(--panel2);border-radius:10px;width:36px;height:36px;cursor:pointer}
.ex-fr{font-weight:600}.ex-en{color:var(--muted);font-size:14px}.ex-note{color:var(--seine);font-size:13px;margin-top:2px}
.notes-area{min-height:140px}
.summary-sec{border-color:#5b4a26;background:linear-gradient(160deg,rgba(243,198,109,.1),rgba(23,36,71,.86))}
.summary-sec ul{margin:0;padding-left:20px;line-height:1.7}
.topic-cta{display:flex;flex-wrap:wrap;gap:10px;margin:6px 0 20px}
.practice-head{margin-bottom:12px}
.practice-progress{display:flex;justify-content:space-between;font-weight:700;margin:4px 0}
.exercise .kicker{margin-bottom:8px}
.ex-prompt{font-size:18px;line-height:1.7}
.ex-instruction{font-weight:600}
.gap{display:inline-block;min-width:60px;border-bottom:2px solid var(--brand);text-align:center}
.gap-input{display:inline-block;width:auto;min-width:120px;max-width:100%;font-size:17px;padding:4px 8px;border:0;border-bottom:2px solid var(--brand);background:#111d3d;color:var(--text);border-radius:6px 6px 0 0}
.ex-area{min-height:90px}
.accent-bar{display:flex;flex-wrap:wrap;gap:6px;margin:10px 0}
.accent-key{min-width:34px;height:34px;border:1px solid var(--line);background:var(--panel2);color:var(--text);border-radius:8px;cursor:pointer;font-size:16px}
.hint-btn{border:1px dashed var(--line);background:none;color:var(--seine);border-radius:8px;padding:4px 10px;margin:6px 8px 0 0;cursor:pointer}
.order-line{min-height:54px;display:flex;flex-wrap:wrap;gap:6px;align-items:center;padding:10px;border:1px dashed #3a4f84;border-radius:12px;margin:10px 0}
.order-bank{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}
.token{border:1px solid #3a4f84;background:var(--panel2);color:var(--text);border-radius:10px;padding:8px 12px;font-size:16px;cursor:pointer}
.token.in{background:rgba(243,198,109,.15);border-color:var(--brand)}
.token:disabled{opacity:.25}
.ex-feedback{margin-top:12px}
.ex-feedback.v-ok{border-color:#3fae80}.ex-feedback.v-wrong{border-color:#c85a5a}.ex-feedback.v-accents{border-color:var(--amber)}
.ex-feedback.v-ok>strong{color:var(--green)}.ex-feedback.v-wrong>strong{color:var(--red)}.ex-feedback.v-accents>strong{color:var(--amber)}
.ex-feedback>div{margin-top:6px}
.diff{line-height:1.8}
.diff del{color:var(--red);text-decoration:line-through}
.diff ins{color:var(--green);text-decoration:none;font-weight:700;border-bottom:2px solid var(--green)}
.ex-explain{color:#c9d0e6}
@media(max-width:680px){.topic-hero h1{font-size:27px}.ex-prompt{font-size:17px}.topic-side .status{display:none}}
.card p.ex-prompt,.card .ex-instruction{color:var(--text)}