/* ==========================================================================
   OraDeInfo · interfața 2026 „Caiet de laborator”
   Hârtie cu puncte, cerneală, verde-lime electric și coral.
   Contururi ferme, umbre decupate, butoane care se apasă.
   Un singur fișier: tokens → bază → cadru → componente → pagini → ateliere.
   ========================================================================== */

/* ---------- 1. Tokens ---------- */
:root{
  --bg:#f4f5f8;--bg-dot:transparent;
  --paper:#fff;--card:#fff;--surface-2:#f8f9fb;--surface-3:#eef0f4;
  --ink:#0f172a;--ink-2:#1e293b;--muted:#566074;--faint:#8a93a3;
  --line:#e3e6ec;--line-2:#d0d5de;
  --edge:#d0d5de;--hard:transparent;
  --volt:#2347d6;--volt-deep:#1b38b0;--volt-ink:#fff;--volt-soft:#eef2ff;
  --coral:#c2410c;--coral-soft:#fff3eb;
  --blue:#2347d6;--blue-dark:#1b38b0;--blue-soft:#eef2ff;
  --green:#15803d;--green-soft:#e9f7ee;
  --orange:#c2410c;--orange-soft:#fff3eb;
  --purple:#6d28d9;--purple-soft:#f3effd;
  --teal:#0f766e;--teal-soft:#e6f5f3;
  --pink:#be185d;--pink-soft:#fcedf4;
  --red:#c81e3a;--red-soft:#fdecef;
  --yellow:#b7791f;--yellow-soft:#fdf6e3;
  --focus:#2347d6;
  --code-bg:#0f172a;--code-ink:#e2e8f0;--code-line:#1e293b;
  --side:#0f172a;--side-2:#1a2438;--side-ink:#e2e8f0;--side-muted:#8391a7;
  --r-xs:6px;--r-sm:8px;--r:10px;--r-lg:12px;--r-xl:16px;--radius:12px;
  --shadow-sm:0 1px 2px rgba(15,23,42,.06);
  --shadow:0 1px 2px rgba(15,23,42,.05),0 4px 14px -6px rgba(15,23,42,.08);
  --shadow-md:0 1px 2px rgba(15,23,42,.06),0 12px 28px -12px rgba(15,23,42,.18);
  --lift:var(--shadow-md);
  --font-display:'IBM Plex Sans',system-ui,-apple-system,'Segoe UI',sans-serif;
  --font-body:'IBM Plex Sans',system-ui,-apple-system,'Segoe UI',sans-serif;
  --font-mono:'IBM Plex Mono',ui-monospace,Consolas,monospace;
  --ease:cubic-bezier(.2,.8,.2,1);
  --side-w:252px;
  color-scheme:light;
  font-family:var(--font-body);font-size:16px;color:var(--ink);background:var(--bg);
  font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;
}
:root[data-theme="dark"]{
  --bg:#0b1120;--paper:#111a2e;--card:#111a2e;--surface-2:#152036;--surface-3:#1c2840;
  --ink:#e6ebf4;--ink-2:#cbd3e1;--muted:#9aa6bb;--faint:#6f7c93;
  --line:#22304a;--line-2:#2e3d5a;--edge:#2e3d5a;
  --volt:#6d8bff;--volt-deep:#8aa2ff;--volt-ink:#0b1120;--volt-soft:#18244a;
  --coral:#fb923c;--coral-soft:#33200f;
  --blue:#7c96ff;--blue-dark:#9aaeff;--blue-soft:#18244a;
  --green:#4ade80;--green-soft:#0f2a1c;--orange:#fb923c;--orange-soft:#33200f;
  --purple:#a78bfa;--purple-soft:#241a45;--teal:#2dd4bf;--teal-soft:#0d2a2a;
  --pink:#f472b6;--pink-soft:#371527;--red:#fb7185;--red-soft:#3a1520;--yellow:#fbbf24;--yellow-soft:#30260c;
  --focus:#7c96ff;
  --code-bg:#070c18;--code-line:#1c2840;
  --side:#070c18;--side-2:#131d33;
  --shadow-sm:0 1px 2px rgba(0,0,0,.3);--shadow:0 1px 2px rgba(0,0,0,.3),0 6px 18px -8px rgba(0,0,0,.5);--shadow-md:0 1px 2px rgba(0,0,0,.35),0 14px 30px -12px rgba(0,0,0,.6);
  color-scheme:dark;
}

/* ---------- 2. Bază ---------- */
*,*::before,*::after{box-sizing:border-box}
html{scroll-padding-top:90px}
body{margin:0;min-height:100vh;color:var(--ink);font-family:var(--font-body);background-color:var(--bg)}
button,input,select,textarea{font:inherit;color:inherit}
a{color:inherit;text-decoration:none}
button,a,input,select,textarea,summary{-webkit-tap-highlight-color:transparent}
button{cursor:pointer;border:0;background:none}
button:disabled{cursor:not-allowed;opacity:.5}
:focus-visible{outline:3px solid var(--focus);outline-offset:3px}
input,select,textarea{min-width:0}
svg{width:20px;height:20px;flex-shrink:0}
h1,h2,h3,h4,p{margin:0}
h1,h2{font-family:var(--font-display);font-weight:600;letter-spacing:-.022em}
h1{font-size:clamp(26px,2.6vw,36px);line-height:1.15}
h2{font-size:20px;line-height:1.3}
h3{font-size:16.5px;line-height:1.4;font-weight:600;letter-spacing:-.005em}
p{line-height:1.65}
small{font-size:13px}
form{margin:0}
code,pre,kbd{font-family:var(--font-mono)}
[hidden]{display:none!important}
::selection{background:var(--volt);color:var(--volt-ink)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip-link{position:fixed;top:-100px;left:24px;z-index:1000;background:var(--blue);color:#fff;padding:12px 16px;border-radius:8px;font-weight:600}
.skip-link:focus{top:10px}
.muted{color:var(--muted);font-size:13px;line-height:1.65}
.error{color:var(--red)!important}
.text-link{display:inline-block;margin:8px 0;color:var(--blue);font-size:13px;font-weight:600}
.text-link:hover{text-decoration:underline;text-underline-offset:3px}

/* ---------- 3. Cadrul aplicației ---------- */
.sidebar{position:fixed;inset:0 auto 0 0;z-index:50;width:var(--side-w);display:flex;flex-direction:column;
  padding:22px 14px 18px;overflow-y:auto;scrollbar-width:thin;background:var(--side);color:var(--side-ink);
  border-right:1px solid #000}
.brand{position:relative;display:flex;align-items:center;gap:11px;padding:2px 8px 26px;color:var(--side-ink)}
.brand-mark{display:grid;place-items:center;width:36px;height:36px;flex-shrink:0;border-radius:9px;background:var(--blue);color:#fff}
.brand:hover .brand-mark{background:var(--blue-dark)}
.brand-mark svg{width:22px;height:22px}
@keyframes caret{50%{opacity:0}}
.brand-text{font-family:var(--font-display);font-size:18px;font-weight:600;letter-spacing:-.02em;line-height:1}
.brand-text b{font-weight:600;color:#9db0ff}
.brand-text small{display:block;margin-top:6px;font-family:var(--font-body);font-size:10.5px;font-weight:500;letter-spacing:.02em;color:var(--side-muted)}
.nav-caption{position:relative;display:block;margin:20px 12px 8px;font-size:11px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--side-muted)}
.sidebar nav{position:relative;display:flex;flex-direction:column;gap:3px}
.nav-item{position:relative;display:flex;align-items:center;gap:11px;padding:9px 12px;border-radius:8px;font-size:14px;font-weight:500;line-height:1.3;color:rgba(226,232,240,.78);transition:background .15s,color .15s}
.nav-item svg{width:19px;height:19px;opacity:.85}
.nav-item:hover{background:var(--side-2);color:#fff}
.nav-item.active{background:rgba(255,255,255,.09);color:#fff;font-weight:600;box-shadow:inset 3px 0 0 #7c96ff}
.nav-item.active svg{opacity:1}
.sidebar-bottom{position:relative;margin-top:auto;padding:28px 4px 0}
.mini-note{display:flex;gap:11px;padding:13px;border-radius:10px;background:var(--side-2);border:1px solid rgba(255,255,255,.06)}
.mini-note svg{color:#9db0ff;margin-top:3px}
.mini-note p{font-size:12.5px;line-height:1.6;color:var(--side-muted)}
.mini-note strong{color:var(--side-ink);font-weight:700}
.sidebar-foot{display:block;margin-top:14px;padding:0 6px;font-family:var(--font-mono);font-size:9.5px;letter-spacing:.12em;color:#5f5a72}

.app-shell{margin-left:var(--side-w);min-height:100vh;display:flex;flex-direction:column}
.topbar{position:sticky;top:0;z-index:40;height:70px;display:flex;align-items:center;justify-content:space-between;gap:14px;padding:0 36px;
  background:color-mix(in srgb,var(--bg) 82%,transparent);backdrop-filter:blur(14px) saturate(1.2);-webkit-backdrop-filter:blur(14px) saturate(1.2);
  border-bottom:1px solid var(--line)}
.topbar-left,.topbar-right{display:flex;align-items:center;gap:14px}
.topbar-label{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
.user-link{display:flex;align-items:center;gap:10px;padding:4px 12px 4px 4px;border-radius:999px;border:1px solid var(--line);background:var(--paper);font-size:14px;font-weight:600;transition:border-color .15s}
.user-link:hover{border-color:var(--line-2)}
.user-link small{display:block;margin-top:1px;font-size:11px;font-weight:500;color:var(--muted)}
.avatar{display:grid;place-items:center;width:32px;height:32px;border-radius:50%;background:var(--blue-soft);color:var(--blue);font-size:13px;font-weight:700}
.icon-button.mobile-menu{display:none}
.main-content{flex:1;width:100%;max-width:1480px;margin:0 auto;padding:34px 36px 56px}
.app-footer{display:flex;justify-content:space-between;gap:20px;padding:20px 36px;border-top:1px solid var(--line);font-size:12px;color:var(--faint)}
.app-footer a{text-decoration:underline;text-underline-offset:3px}
.app-footer a:hover{color:var(--ink)}

/* ---------- 4. Componente ---------- */
.eyebrow{display:inline-flex;align-items:center;gap:8px;margin-bottom:10px;font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--blue)}

.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 16px;border-radius:8px;border:1px solid var(--line-2);background:var(--paper);color:var(--ink);box-shadow:var(--shadow-sm);font-family:var(--font-body);font-size:14px;font-weight:600;line-height:1.2;white-space:nowrap;cursor:pointer;transition:background .15s,border-color .15s,color .15s,box-shadow .15s}
.button svg{width:17px;height:17px}
.button:hover:not(:disabled){border-color:#b8bfcc;background:var(--surface-2)}
.button:active:not(:disabled){transform:translateY(1px)}
.button.primary{background:var(--blue);border-color:var(--blue);color:#fff}
.button.primary:hover:not(:disabled){background:var(--blue-dark);border-color:var(--blue-dark)}
.button.secondary{background:var(--paper)}
.button.ghost{border-color:transparent;background:transparent;box-shadow:none;color:var(--muted)}
.button.ghost:hover:not(:disabled){background:var(--surface-3);color:var(--ink)}
.button.small{padding:7px 12px;font-size:13px;border-radius:7px}
.button.full{width:100%}
.key-lg{padding:13px 22px;font-size:15px;border-radius:9px}
:root[data-theme="dark"] .button:not(.primary):not(.ghost){background:var(--surface-2);border-color:var(--line-2)}

.icon-button{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;flex-shrink:0;border-radius:8px;border:1px solid var(--line);background:var(--paper);color:var(--muted);transition:border-color .15s,color .15s}
.icon-button:hover{border-color:var(--line-2);color:var(--ink)}
.icon-button svg{width:18px;height:18px}
.theme-toggle .moon{display:none}
:root[data-theme="dark"] .theme-toggle .moon{display:block}
:root[data-theme="dark"] .theme-toggle .sun{display:none}

.pill{display:inline-flex;align-items:center;gap:5px;padding:4px 9px;border-radius:999px;white-space:nowrap;font-size:11px;font-weight:600;letter-spacing:.02em;line-height:1.2}
.neutral{background:var(--surface-3);color:var(--muted)}
.blue{background:var(--blue-soft);color:var(--blue)}
.green{background:var(--green-soft);color:var(--green)}
.orange{background:var(--orange-soft);color:var(--orange)}
.purple{background:var(--purple-soft);color:var(--purple)}
.teal{background:var(--teal-soft);color:var(--teal)}
.pink{background:var(--pink-soft);color:var(--pink)}
.yellow{background:var(--yellow-soft);color:#8a5a00}
:root[data-theme="dark"] .yellow{color:var(--yellow)}
.status-text{background:none!important}

.notice{margin-bottom:20px;padding:13px 16px;border-radius:var(--r);border:1px solid color-mix(in srgb,var(--green) 30%,transparent);background:var(--green-soft);color:var(--ink);font-size:14px;font-weight:500}
.notice.error{background:var(--red-soft);border-color:color-mix(in srgb,var(--red) 30%,transparent)}
.toast{position:fixed;left:50%;bottom:26px;z-index:2100;transform:translateX(-50%);max-width:min(560px,calc(100vw - 30px));padding:13px 18px;border-radius:10px;background:#0f172a;color:#f1f5f9;box-shadow:var(--shadow-md);font-size:14px;font-weight:500;line-height:1.5;animation:toastin .3s var(--ease)}
.toast.error{background:#9f1239}
@keyframes toastin{from{opacity:0;transform:translate(-50%,12px)}}

.app-dialog{width:calc(100vw - 40px);max-width:620px;max-height:85vh;padding:28px;border-radius:14px;border:1px solid var(--line);background:var(--paper);color:var(--ink);box-shadow:0 24px 60px -20px rgba(15,23,42,.45)}
.app-dialog.wide{width:min(1100px,96vw);max-width:none}
.app-dialog::backdrop{background:rgba(15,23,42,.5);backdrop-filter:blur(2px)}
.app-dialog[open]{animation:dlg .25s var(--ease)}
@keyframes dlg{from{opacity:0;transform:translateY(14px) scale(.98)}}
.dialog-close{position:absolute;right:14px;top:14px}
.app-dialog h2{margin-bottom:14px;padding-right:34px}
.app-dialog p{margin-bottom:15px;font-size:14px;color:var(--muted)}
.app-dialog label{display:grid;gap:8px;margin:16px 0;font-size:13px;font-weight:600}
.app-dialog .button{margin-top:10px}
.history-row{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:12px 0;border-bottom:1px solid var(--line);font-size:13px}
.history-row small{display:block;margin-top:4px;color:var(--muted)}

/* Câmpuri */
.app-dialog input,.app-dialog textarea,.app-dialog select,
.form-panel input,.form-panel textarea,.form-panel select,
.review-form input,.review-form textarea,
.builder-form input,.builder-form select,.builder-form textarea,
.teacher-controls select,.builder-toolbar select,.robot-toolbar select,.match-row select,.file-move select{
  width:100%;padding:11px 13px;border-radius:var(--r-sm);border:1px solid var(--line-2);background:var(--paper);color:var(--ink);
  font-size:14px;line-height:1.45;transition:border-color .15s,box-shadow .15s}
input:focus,textarea:focus,select:focus{outline:none}
.app-dialog :is(input,textarea,select):focus,.form-panel :is(input,textarea,select):focus,.review-form :is(input,textarea):focus,
.builder-form :is(input,textarea,select):focus,.teacher-controls select:focus,.builder-toolbar select:focus,.match-row select:focus,
.quiz-fill:focus,.reflection-field textarea:focus,.search-box:focus-within,.slide-fields :is(input,textarea,select):focus,
.object-properties input:focus,.code-inputs textarea:focus,.sheet-formula input:focus,.formula-bar input:focus{
  border-color:var(--edge);box-shadow:0 0 0 4px color-mix(in srgb,var(--volt) 55%,transparent)}
.checkbox-label{display:flex!important;align-items:center;gap:10px;font-weight:500!important}
.checkbox-label input,.checkbox-label input[type=checkbox]{width:18px!important;height:18px;flex-shrink:0;accent-color:var(--blue)}
.form-panel{padding:24px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow)}
.form-panel.narrow{max-width:570px}
.form-panel h2{margin-bottom:8px;font-size:18px}
.form-panel>p{margin-bottom:20px;font-size:14px;color:var(--muted)}
.form-panel form{display:grid;gap:4px}
.form-panel label,.builder-form label,.review-form label{display:grid;gap:7px;margin:10px 0;font-size:13px;font-weight:600}
.form-panel .button{margin-top:8px}
.form-result{font-size:13px;line-height:1.5;color:var(--green);white-space:pre-wrap;overflow-wrap:anywhere}
.form-result.error{color:var(--red)}
.form-columns{display:grid;grid-template-columns:1fr 1fr;gap:14px}

.search-box{display:flex;align-items:center;gap:9px;width:270px;padding:9px 12px;border-radius:8px;border:1px solid var(--line-2);background:var(--paper);transition:border-color .15s,box-shadow .15s}
.search-box svg{width:17px;height:17px;color:var(--faint)}
.search-box input{width:100%;border:0;background:transparent;font-size:14px;outline:none}

.empty-state{padding:60px 22px;text-align:center;border:1px dashed var(--line-2);border-radius:var(--r-lg);background:var(--card)}
.empty-state>svg{display:block;width:44px;height:44px;margin:0 auto 16px;padding:10px;border-radius:10px;background:var(--blue-soft);color:var(--blue)}
.empty-state h1,.empty-state h2{font-size:22px}
.empty-state p{margin:12px auto 22px;max-width:52ch;color:var(--muted);font-size:14px}

.data-table-wrap,.table-wrap{overflow:auto}
.data-table-wrap{border:1px solid var(--line);border-radius:var(--r);background:var(--card)}
.data-table{width:100%;border-collapse:collapse;text-align:left;font-size:13px}
.data-table th{padding:11px 16px;background:var(--surface-2);color:var(--muted);font-size:12px;font-weight:600;white-space:nowrap;border-bottom:1px solid var(--line)}
.data-table td{padding:14px 16px;border-bottom:1px solid var(--line);line-height:1.55}
.data-table tr:last-child td{border-bottom:0}
.data-table tbody tr:hover td{background:var(--surface-2)}
.data-table td small{display:block;margin-top:4px;font-size:11px;color:var(--muted)}
.data-table a:not(.button){font-weight:600;color:var(--blue)}

/* ---------- 5. Pagini: titluri, clase, filtre ---------- */
.page-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px}
.page-heading h1{max-width:22ch}
.page-heading p{max-width:72ch;margin-top:12px;font-size:15px;color:var(--muted)}
.section-title{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:18px}
.section-title h2{font-size:24px}
.section-title p{margin-top:6px;font-size:14px;color:var(--muted)}
.section-title>svg{width:24px;height:24px}

.grade-bar{display:flex;align-items:center;gap:16px;margin-bottom:28px;padding:6px 6px 6px 16px;border-radius:10px;border:1px solid var(--line);background:var(--paper);box-shadow:var(--shadow-sm)}
.grade-bar>span:first-child{font-size:13px;font-weight:600;color:var(--muted)}
.grade-bar nav{display:flex;gap:4px;flex-wrap:wrap}
.grade-tab{display:inline-flex;align-items:center;gap:7px;padding:8px 14px;border-radius:7px;font-size:14px;font-weight:500;color:var(--muted);transition:background .15s,color .15s}
.grade-tab:hover{background:var(--surface-3);color:var(--ink)}
.grade-tab.active{background:var(--blue-soft);color:var(--blue);font-weight:600}
.grade-tab small{padding:2px 6px;border-radius:5px;background:var(--yellow-soft);color:#8a5a00;font-size:10.5px;font-weight:600}
.grade-caption{margin-left:auto;padding-right:10px;font-size:13px;color:var(--muted)}
:root[data-theme="dark"] .grade-bar{background:var(--paper)}
:root[data-theme="dark"] .grade-tab.active{background:var(--blue-soft);color:var(--blue)}

.filter-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:26px}
.filter-chip{padding:7px 14px;border-radius:999px;border:1px solid var(--line-2);background:var(--paper);font-size:13px;font-weight:500;color:var(--muted);transition:all .15s}
.filter-chip:hover{border-color:#b8bfcc;color:var(--ink)}
.filter-chip.active{background:var(--ink);border-color:var(--ink);color:#fff}
:root[data-theme="dark"] .filter-chip.active{background:var(--blue);border-color:var(--blue);color:#0b1120}

/* ---------- 6. Prima pagină ---------- */
.hero{position:relative;display:grid;grid-template-columns:minmax(0,1.08fr) minmax(340px,.92fr);gap:40px;align-items:center;
  margin-bottom:16px;padding:52px 48px 0;border-radius:16px;overflow:hidden;color:#e2e8f0;background:#0f172a;box-shadow:var(--shadow-md)}
.hero::before{content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(600px 380px at 85% 10%,rgba(91,124,255,.22),transparent 70%),
  linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px) 0 0/48px 48px,linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px) 0 0/48px 48px;
  mask-image:linear-gradient(180deg,#000 60%,transparent);-webkit-mask-image:linear-gradient(180deg,#000 60%,transparent)}
.hero-copy{position:relative;z-index:1;padding-bottom:44px}
.hero-chip{display:inline-flex;align-items:center;gap:9px;padding:6px 12px;border-radius:999px;border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.04);font-size:12.5px;font-weight:500;color:#b6c0d2}
.hero-chip .dot{width:7px;height:7px;border-radius:50%;background:#4ade80}
.hero h1{margin:20px 0 16px;max-width:none;font-size:clamp(34px,3.9vw,54px);font-weight:600;line-height:1.08;letter-spacing:-.03em;color:#fff}
.hero-accent{color:#9db0ff}
.hero-lead{max-width:58ch;font-size:17px;line-height:1.65;color:#a9b4c7}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:30px 0 0}
.hero .button{box-shadow:none}
.hero .button.secondary{background:transparent;border-color:rgba(255,255,255,.22);color:#fff}
.hero .button.secondary:hover:not(:disabled){background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.35)}
.hero .button.ghost{color:#cbd5e1}
.hero .button.ghost:hover:not(:disabled){background:rgba(255,255,255,.06);color:#fff}
.hero-stats{position:relative;z-index:1;grid-column:1/-1;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));margin:0 -48px;border-top:1px solid rgba(255,255,255,.08);background:rgba(255,255,255,.02)}
.hero-stats div{padding:22px 48px 24px;border-right:1px solid rgba(255,255,255,.08)}
.hero-stats div:last-child{border-right:0}
.hero-stats dd{margin:0;font-size:clamp(26px,2.4vw,34px);font-weight:600;letter-spacing:-.03em;line-height:1;color:#fff;font-variant-numeric:tabular-nums}
.hero-stats dt{margin-top:8px;font-size:13px;color:#8391a7}

.hero-scene{position:relative;z-index:1;align-self:stretch;display:grid;place-items:center;min-height:380px;padding:10px 0 44px}
.code-window{position:relative;width:min(100%,440px);margin:0 -10px 64px 0;justify-self:end;border-radius:12px;background:#111b30;border:1px solid #23314d;box-shadow:0 30px 60px -24px rgba(0,0,0,.7)}
.cw-bar{display:flex;align-items:center;gap:7px;padding:11px 14px;border-bottom:1px solid #1f2b44}
.cw-bar span{width:10px;height:10px;border-radius:50%;background:#334155}
.cw-bar b{margin-left:10px;font-family:var(--font-mono);font-size:12px;font-weight:500;color:#8391a7}
.cw-code{margin:0;padding:16px 18px 14px;font-family:var(--font-mono);font-size:13.5px;line-height:1.75;color:#e2e8f0;white-space:pre;overflow:hidden}
.cw-code .ln{display:block;min-height:1.75em;opacity:0;animation:fadein .4s ease forwards}
.cw-code .ln::before{content:attr(data-n);display:inline-block;width:20px;margin-right:14px;color:#475569;text-align:right}
.cw-code .l1{animation-delay:.2s}.cw-code .l2{animation-delay:.35s}.cw-code .l3{animation-delay:.5s}.cw-code .l4{animation-delay:.65s}.cw-code .l5{animation-delay:.8s}.cw-code .l6{animation-delay:.95s}
.cw-code i{font-style:normal}
.cw-code .k{color:#93a8ff}.cw-code .f{color:#7dd3fc}.cw-code .n{color:#fbbf24}.cw-code .s{color:#86efac}
.cw-out{display:flex;align-items:center;gap:10px;margin:0;padding:11px 18px;border-top:1px solid #1f2b44;background:#0c1426;font-family:var(--font-mono);font-size:13px;color:#cbd5e1;border-radius:0 0 12px 12px}
.cw-out .prompt{color:#64748b}
.cw-pass{display:inline-flex;align-items:center;gap:6px;margin-left:auto;font-family:var(--font-body);font-size:12px;font-weight:600;color:#4ade80}
.cw-pass svg{width:14px;height:14px}
@keyframes fadein{to{opacity:1}}
.eval-card{position:absolute;left:-28px;bottom:22px;z-index:2;width:250px;padding:16px;border-radius:12px;background:#fff;color:#0f172a;box-shadow:0 24px 50px -18px rgba(0,0,0,.6);animation:rise .6s 1.1s var(--ease) backwards}
.eval-card header{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px;font-size:12px;font-weight:600;color:#566074}
.eval-card header strong{font-size:20px;font-weight:600;letter-spacing:-.02em;color:#0f172a}
.eval-card header strong small{font-size:12px;color:#8a93a3;font-weight:500}
.eval-card ul{display:grid;gap:7px;margin:0;padding:0;list-style:none}
.eval-card li{display:flex;align-items:center;gap:8px;font-size:12.5px;color:#1e293b}
.eval-card li svg{width:15px;height:15px;padding:2px;border-radius:50%;background:#e9f7ee;color:#15803d}
.eval-card li span{margin-left:auto;font-family:var(--font-mono);font-size:11.5px;color:#8a93a3}
.eval-bar{height:5px;margin-top:12px;border-radius:999px;background:#e3e6ec;overflow:hidden}
.eval-bar i{display:block;height:100%;width:100%;background:#15803d;transform-origin:left;animation:grow 1s 1.5s var(--ease) both}
@keyframes grow{from{transform:scaleX(0)}}

.trust-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));margin:0 0 30px;border-radius:12px;border:1px solid var(--line);background:var(--paper);box-shadow:var(--shadow-sm)}
.trust-strip div{display:flex;align-items:flex-start;gap:12px;padding:18px 20px;border-right:1px solid var(--line)}
.trust-strip div:last-child{border-right:0}
.trust-strip svg{width:20px;height:20px;margin-top:1px;color:var(--blue)}
.trust-strip strong{display:block;font-size:14px;font-weight:600}
.trust-strip span{display:block;margin-top:2px;font-size:12.5px;line-height:1.45;color:var(--muted)}

.home-feature{display:grid;grid-template-columns:minmax(0,1.9fr) minmax(280px,1fr);gap:20px;margin-bottom:40px}
.feature-main{position:relative;overflow:hidden;padding:24px 28px 0;border-radius:var(--r-lg);border:1px solid var(--line);box-shadow:var(--shadow);background:var(--card);border-top:3px solid var(--kc,var(--blue))}
.feature-top{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:10px}
.feature-top>span:last-child{display:flex;align-items:center;gap:6px;font-size:13px;color:var(--muted)}
.feature-top svg{width:14px;height:14px}
.feature-copy{position:relative;z-index:2;max-width:68%;padding-top:20px}
.feature-number{display:flex;align-items:baseline;gap:10px;font-size:13px;font-weight:600;line-height:1;color:var(--kc,var(--blue))}
.feature-number span{font-size:12px;font-weight:600;letter-spacing:.06em;color:var(--muted)}
.feature-copy h2{max-width:24ch;margin:10px 0 10px;font-size:clamp(22px,2vw,28px);line-height:1.2}
.feature-copy p{max-width:48ch;margin-bottom:22px;font-size:14.5px;color:var(--muted)}
.feature-copy .button{margin-bottom:24px}
.feature-icon{position:absolute;z-index:2;right:32px;top:64px;display:grid;place-items:center;width:112px;height:112px;border-radius:20px;background:color-mix(in srgb,var(--kc,var(--blue)) 10%,var(--card));color:var(--kc,var(--blue));border:1px solid color-mix(in srgb,var(--kc,var(--blue)) 22%,transparent)}
.feature-icon>svg{width:50px;height:50px;stroke-width:1.5}
.feature-dots{display:none}
.feature-footer{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:22px;padding:14px 0;border-top:1px solid var(--line);font-size:13px;font-weight:500;color:var(--muted)}
.feature-footer span{display:flex;align-items:center;gap:7px}
.feature-footer svg{width:16px;height:16px;color:var(--kc,var(--blue))}

.progress-panel{padding:24px;border-radius:var(--r-lg);border:1px solid var(--line);background:var(--card);box-shadow:var(--shadow)}
.progress-panel h2{font-size:20px}
.progress-track{height:8px;border-radius:999px;background:var(--surface-3);overflow:hidden}
.progress-track span{display:block;height:100%;background:var(--blue)}
.progress-track.xp{height:8px;background:var(--surface-3)}
.progress-track.xp span{background:var(--blue);border-radius:999px}
}
.progress-big{margin:16px 0 9px;font-size:48px;font-weight:600;letter-spacing:-.04em}
.progress-big span{display:block;margin-top:3px;font-family:var(--font-body);font-size:12px;font-weight:500;letter-spacing:0;color:var(--muted)}
.progress-tip{display:flex;align-items:center;gap:11px;margin-top:20px;padding-top:18px;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}
.resume-link{display:flex;align-items:center;gap:12px;margin-top:16px;padding:14px;border-radius:var(--r);background:var(--surface-2);border:1px solid var(--line);font-size:12px;color:var(--muted);transition:border-color .15s,transform .15s var(--ease)}
.resume-link:hover{border-color:var(--line-2)}
.resume-link strong{display:block;margin-top:3px;font-size:14px;line-height:1.4;color:var(--ink)}
.player-top{display:flex;align-items:center;gap:16px;margin-bottom:16px}
.player-card .eyebrow{margin-bottom:6px}
.player-card h2{margin:0 0 4px;font-size:21px}
.level-ring{--p:0;position:relative;display:grid;place-items:center;width:72px;height:72px;flex-shrink:0;border-radius:50%;background:conic-gradient(var(--blue) calc(var(--p)*1%),var(--surface-3) 0)}
.level-ring::before{content:"";position:absolute;inset:6px;border-radius:50%;background:var(--card)}
.level-ring span{position:relative;font-size:24px;font-weight:600}
.xp-line{font-size:13px;line-height:1.45;color:var(--muted)}
.xp-line strong{font-size:17px;font-weight:600;color:var(--ink)}
.player-stats{display:flex;flex-wrap:wrap;gap:8px 16px;margin:16px 0;font-size:13px;font-weight:500;color:var(--muted)}
.player-stats span{display:inline-flex;align-items:center;gap:6px}
.player-stats svg{width:16px;height:16px;color:var(--blue)}
.badge-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:6px}
.badge{display:grid;place-items:center;width:40px;height:40px;border-radius:10px;border:1px solid var(--line)}
.badge svg{width:20px;height:20px}
.badge.earned{background:#fdf6e3;color:#a16207;border-color:#f1dfb0;animation:pop .4s var(--ease) both}
.badge.locked{background:var(--surface-2);color:var(--faint);opacity:.6}
@keyframes pop{from{transform:scale(.7);opacity:0}}
}
.how-steps{display:grid;gap:14px;margin:16px 0 20px;padding:0;list-style:none}
.how-steps li{display:flex;align-items:flex-start;gap:13px}
.how-steps strong{font-size:15px}
.how-steps small{display:block;margin-top:2px;line-height:1.45;color:var(--muted)}
.step-key{display:grid;place-items:center;width:32px;height:32px;flex-shrink:0;border-radius:8px;background:var(--blue-soft);color:var(--blue);font-weight:600;font-size:14px}

.assignment-strip{margin-bottom:34px}
.assignment-list{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.assigned-card{display:flex;flex-direction:column;align-items:flex-start;gap:10px;padding:18px;border-radius:var(--r-lg);background:var(--card);border:1px solid var(--line);border-left:3px solid var(--blue);box-shadow:var(--shadow);transition:box-shadow .15s,border-color .15s}
.assigned-card:hover{box-shadow:var(--shadow-md)}
.assigned-card strong{font-size:15px}
.assigned-card small{font-size:12px;color:var(--muted)}

/* Carduri de lecție */
[data-kind="document"]{--kc:#2563eb}[data-kind="slides"]{--kc:#c2410c}[data-kind="sheet"]{--kc:#15803d}[data-kind="blocks"]{--kc:#6d28d9}
[data-kind="code"]{--kc:#1d4ed8}[data-kind="python"]{--kc:#a16207}[data-kind="web"]{--kc:#0f766e}[data-kind="drawing"]{--kc:#be185d}
[data-kind="model3d"]{--kc:#5b21b6}[data-kind="media"]{--kc:#b45309}[data-kind="quiz"]{--kc:#047857}[data-kind="files"]{--kc:#4d7c0f}[data-kind="robot"]{--kc:#b91c1c}
.unit-group{margin:0 0 34px}
.unit-heading{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.unit-heading h3{display:flex;align-items:center;gap:9px;font-size:17px;font-weight:600;letter-spacing:-.015em}
.unit-heading h3 svg{width:20px;height:20px}
.unit-heading span{padding:2px 8px;border-radius:999px;background:var(--surface-3);font-size:12px;font-weight:500;color:var(--muted)}
.unit-heading::after{content:"";flex:1;height:1px;background:var(--line)}
.lesson-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.lesson-card{position:relative;display:flex;flex-direction:column;min-width:0;padding:20px;overflow:hidden;border-radius:var(--r-lg);border:1px solid var(--line);background:var(--card);box-shadow:var(--shadow);transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s}
.lesson-card::after{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--kc,var(--blue));opacity:0;transition:opacity .2s}
.lesson-card:hover{transform:translateY(-2px);border-color:var(--line-2);box-shadow:var(--shadow-md)}
.lesson-card:hover::after{opacity:1}
.lesson-card:active{transform:none}
.lesson-card-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.tool-icon{display:grid;place-items:center;width:40px;height:40px;border-radius:10px}
.tool-icon svg{width:20px;height:20px}
.lesson-card .tool-icon,.portfolio-card .tool-icon{background:color-mix(in srgb,var(--kc,var(--blue)) 10%,var(--card));color:var(--kc,var(--blue))}
.lesson-index{font-family:var(--font-mono);font-size:12px;font-weight:500;color:var(--faint)}
.lesson-kind{margin-bottom:6px;font-size:11.5px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--kc,var(--blue))}
.lesson-card h3{margin-bottom:8px;font-size:16.5px;font-weight:600;letter-spacing:-.01em;line-height:1.35}
.lesson-card p{margin-bottom:18px;font-size:13.5px;line-height:1.6;color:var(--muted)}
.lesson-card-bottom{display:flex;align-items:center;justify-content:space-between;gap:6px;margin-top:auto;padding-top:12px;border-top:1px solid var(--line);font-size:12.5px;color:var(--muted)}
.lesson-card-bottom span{display:flex;align-items:center;gap:5px}
.lesson-card-bottom svg{width:13px;height:13px}
.lesson-card-bottom .status-text.green{color:var(--green);font-weight:600}
.lesson-card-bottom .status-text.blue{color:var(--blue);font-weight:600}

/* Portofoliu */
.portfolio-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.portfolio-card{padding:22px;border-radius:var(--r-lg);border:1px solid var(--line);background:var(--card);box-shadow:var(--shadow);transition:border-color .2s,box-shadow .2s,transform .2s var(--ease)}
.portfolio-card:hover{border-color:var(--line-2);box-shadow:var(--shadow-md)}
.portfolio-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.portfolio-card h2{margin-bottom:8px;font-size:18px}
.portfolio-card>small{display:block;font-size:12px;color:var(--muted)}
.portfolio-score{display:flex;align-items:center;gap:14px;margin:20px 0 14px}
.portfolio-score strong{font-size:34px;font-weight:600;letter-spacing:-.03em}
.portfolio-score strong small{font-family:var(--font-body);font-size:14px;font-weight:500;letter-spacing:0;color:var(--muted)}
.portfolio-score>span{font-size:12px;color:var(--muted)}
.portfolio-card blockquote{margin:14px 0 18px;padding:12px 15px;border-left:4px solid var(--volt-deep);border-radius:0 10px 10px 0;background:var(--surface-2);font-size:13.5px;line-height:1.65;white-space:pre-wrap}
.portfolio-card .button{margin-top:18px}

/* Profesor */
.teacher-controls{display:flex;align-items:center;gap:14px;margin-bottom:24px}
.teacher-controls label{font-size:13px;font-weight:600;color:var(--muted)}
.teacher-controls select{max-width:600px}
.teacher-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:4px 0 24px}
.teacher-stats>div{padding:18px 20px;border-radius:var(--r-lg);border:1px solid var(--line);background:var(--card);box-shadow:var(--shadow)}
.teacher-stats>div:nth-child(1){border-top:3px solid var(--blue)}
.teacher-stats strong{display:block;font-size:30px;font-weight:600;letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.teacher-stats span{display:block;margin-top:4px;font-size:13px;color:var(--muted)}
.teacher-grid{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(280px,1fr);gap:22px;align-items:start}
.teacher-main,.teacher-side{display:grid;gap:22px;align-content:start}
.teacher-panel{min-width:0;overflow:hidden;border-radius:var(--r-lg);border:1px solid var(--line);background:var(--card);box-shadow:var(--shadow)}
.teacher-panel .panel-title>.button{margin-left:auto}
.panel-body{padding:18px 20px}
.teacher-assignment{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:10px;padding:16px 18px;border-radius:var(--r);border:1px solid var(--line);background:var(--surface-2)}
.teacher-assignment strong{font-size:15px}
.teacher-assignment h3{margin:8px 0;font-size:14px}
.teacher-assignment small{font-size:11px;color:var(--muted)}
.teacher-assignment .button{flex-shrink:0}
.help-card{margin-bottom:10px;padding:16px;border-radius:var(--r);background:var(--yellow-soft);border:1px solid color-mix(in srgb,var(--yellow) 50%,transparent)}
.help-card strong{font-size:14px}
.help-card small{display:block;margin:5px 0;font-size:12px;color:var(--muted)}
.help-card p{margin:10px 0;font-size:13.5px}
.help-card .button{margin-top:6px}

/* Constructor de lecții */
.builder-toolbar{display:flex;align-items:center;flex-wrap:wrap;gap:12px;margin-bottom:20px}
.builder-toolbar>label{font-size:13px;font-weight:600;color:var(--muted)}
.builder-toolbar select{max-width:460px;width:auto;flex:1}
.builder-layout{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(270px,1fr);gap:22px}
.builder-form{display:grid;gap:20px}
.builder-form section{display:grid;gap:12px;margin-bottom:22px;padding:24px;border-radius:var(--r-lg);border:1px solid var(--line);background:var(--card);box-shadow:var(--shadow)}
.builder-form section h2{font-size:18px}
.builder-criteria{display:grid;gap:14px}
.builder-criterion,.builder-item{display:grid;gap:10px;margin:8px 0;padding:16px;border-radius:var(--r);border:1px solid var(--line);background:var(--surface-2)}
.builder-criterion .row{display:flex;gap:10px}
.builder-criterion .row>label:first-child{flex:1}
.builder-criterion .points-field{width:90px}
.builder-preview{position:sticky;top:90px;align-self:start}
.builder-preview section{display:grid;gap:12px}
.builder-preview pre{max-height:300px;overflow:auto;font-size:11px;white-space:pre-wrap;overflow-wrap:anywhere}
.builder-total{margin:15px 0;font-size:16px;font-weight:600}
.builder-total.invalid{color:var(--red)}
.builder-form #starter-editor button{font-size:12px}
.builder-form #starter-editor input{margin:0}
.builder-form #starter-editor .sheet-table input{padding:5px 7px;border:0;border-radius:0}
.builder-form #starter-editor .block-row input{width:55px}
.builder-form #starter-editor .block-row input[type=text]{width:140px}

/* Programa */
.map-kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin:0 0 26px}
.map-kpis div{padding:18px;border-radius:var(--r-lg);border:1px solid var(--line);background:var(--card);box-shadow:var(--shadow)}
.map-kpis div:nth-child(6n+1){border-top:3px solid var(--blue)}
.map-kpis strong{display:block;font-size:30px;font-weight:600;letter-spacing:-.03em;line-height:1.15;font-variant-numeric:tabular-nums}
.map-kpis span{font-size:13px;color:var(--muted)}
.map-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));gap:18px}
.map-grade{padding:22px;border-radius:var(--r-lg);border:1px solid var(--line);background:var(--card);box-shadow:var(--shadow)}
.map-grade h2{display:flex;align-items:baseline;justify-content:space-between;gap:10px;padding-bottom:12px;border-bottom:1px solid var(--line)}
.map-grade h2 small{font-size:12.5px;font-weight:500;color:var(--muted)}
.map-unit{margin-top:16px}
.map-unit h3{margin-bottom:6px;font-size:12px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.map-unit ol{display:grid;gap:4px;margin:0;padding-left:22px}
.map-unit li{font-size:14.5px;line-height:1.45}
.map-unit li::marker{font-family:var(--font-mono);font-size:12px;color:var(--faint)}
.map-unit li small{font-size:11px;white-space:nowrap}
.map-unit a{color:var(--ink)}
.map-unit a:hover{color:var(--blue);text-decoration:underline;text-underline-offset:3px}

/* Laboratorul de aplicații */
.apps-group{margin-top:30px}
.apps-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px;margin-top:12px}
.app-card{position:relative;display:flex;flex-direction:column;gap:10px;padding:20px;border-radius:var(--r-lg);border:1px solid var(--line);background:var(--card);box-shadow:var(--shadow);
  transition:transform .22s var(--ease),box-shadow .22s,border-color .22s}
.app-card:hover{border-color:var(--line-2);box-shadow:var(--shadow-md)}
.app-card-top{display:flex;align-items:center;justify-content:space-between}
.app-monogram{display:grid;place-items:center;width:44px;height:44px;border-radius:10px;font-size:15px;font-weight:600;letter-spacing:-.02em;background:var(--blue-soft);color:var(--blue)}
.app-card:nth-child(4n+2) .app-monogram{background:var(--teal-soft);color:var(--teal)}
.app-card:nth-child(4n+3) .app-monogram{background:var(--purple-soft);color:var(--purple)}
.app-card:nth-child(4n+4) .app-monogram{background:var(--orange-soft);color:var(--orange)}
.app-card h3{font-size:17px}
.app-card p{font-size:14px;line-height:1.55;color:var(--muted)}
.app-idea{display:flex;align-items:flex-start;gap:9px;padding:11px 13px;border-radius:8px;background:var(--surface-2);border:1px solid var(--line);color:var(--ink-2)!important;font-size:13.5px!important}
.app-idea svg{width:16px;height:16px;flex-shrink:0;margin-top:3px;color:var(--blue)}
.app-card-bottom{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;padding-top:6px}
.app-viewer{display:flex;flex-direction:column;gap:12px;height:calc(100vh - 140px)}
.app-viewer-bar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px}
.app-viewer-bar div{flex:1;min-width:220px}
.app-viewer-bar small{display:block;color:var(--muted)}
.app-frame{flex:1;width:100%;border-radius:var(--r-lg);border:1px solid var(--line);background:#fff;box-shadow:var(--shadow)}
.app-note{font-size:12px}
.tutor-frame{width:100%;height:min(70vh,620px);border:0;border-radius:12px;background:#fff}

/* ---------- 7. Spațiul de lucru ---------- */
.workspace-page{--side-w:78px}
.workspace-page .sidebar{padding:18px 10px}
.workspace-page .brand{justify-content:center;padding:2px 0 22px}
.workspace-page .brand-text,.workspace-page .nav-caption,.workspace-page .sidebar-bottom{display:none}
.workspace-page .sidebar nav{margin-bottom:14px;padding-bottom:14px;border-bottom:1px solid rgba(255,255,255,.07)}
.workspace-page .nav-item{justify-content:center;gap:0;padding:12px;font-size:0}
.workspace-page .nav-item svg{width:21px;height:21px}
.workspace-page .nav-item:hover{transform:scale(1.06)}
.workspace-page .topbar{height:62px;padding:0 24px}
.main-wide{max-width:none;padding:22px 24px 36px}
.workspace-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:20px}
.workspace-heading h1{margin:8px 0 6px;font-size:clamp(24px,2.4vw,34px)}
.workspace-heading>div>p{max-width:80ch;font-size:14px;color:var(--muted)}
.back-link{display:inline-flex;align-items:center;gap:4px;font-size:13px;font-weight:500;color:var(--muted)}
.back-link:hover{color:var(--ink)}
.back-link svg{width:14px;height:14px}
.workspace-actions{display:flex;flex-wrap:wrap;align-items:center;justify-content:flex-end;gap:8px}
.save-status{max-width:190px;margin-right:6px;font-size:12.5px;color:var(--green)}
.save-status::before{content:"●";margin-right:6px;font-size:8px;vertical-align:1px}
.save-status.error{color:var(--red)}
.workspace-grid{display:grid;grid-template-columns:260px minmax(340px,1fr) 270px;gap:16px;align-items:start}
.lesson-panel,.editor-panel,.feedback-panel{min-width:0;overflow:hidden;border-radius:var(--r-lg);border:1px solid var(--line);background:var(--card);box-shadow:var(--shadow)}
.editor-panel{border-color:var(--line-2);box-shadow:var(--shadow-md)}
.panel-title{display:flex;align-items:center;gap:9px;padding:13px 16px;border-bottom:1px solid var(--line);font-size:13.5px;font-weight:600}
.panel-title>svg{width:17px;height:17px;color:var(--blue);padding:0}
.panel-title .pill{margin-left:auto;font-size:9.5px}
.projector-button{margin-left:auto;width:32px;height:32px}
.panel-title .pill+.projector-button{margin-left:0}
.lesson-panel-content{padding:16px}
.lesson-panel-content pre{padding:9px;font-size:12px;white-space:pre-wrap;overflow-wrap:anywhere}
.lesson-goal{margin-bottom:18px;padding:14px 15px;border-radius:var(--r);background:var(--blue-soft);border:1px solid color-mix(in srgb,var(--blue) 18%,transparent);border-left:3px solid var(--blue)}
.lesson-goal .eyebrow{margin-bottom:6px;font-size:11px}
.lesson-goal p{font-size:13.5px;line-height:1.7}
.lesson-goal+.lesson-goal{margin-top:16px}
.theory-section{padding:12px 0;border-top:1px solid var(--line)}
.theory-section summary{display:flex;align-items:center;justify-content:space-between;gap:8px;list-style:none;cursor:pointer;font-size:14px;font-weight:700}
.theory-section summary::-webkit-details-marker{display:none}
.theory-section summary:hover{color:var(--blue)}
.theory-section summary svg{width:16px;height:16px;transition:transform .2s var(--ease)}
.theory-section[open] summary svg{transform:rotate(180deg)}
.theory-section p{margin-top:10px;font-size:13.5px;line-height:1.75;color:var(--ink-2);white-space:pre-wrap;overflow-wrap:anywhere}
.theory-section pre{margin:6px 0 12px;padding:10px 12px;overflow:auto;border-radius:10px;background:var(--code-bg);color:var(--code-ink);font-size:12.5px}
.theory-section>small{display:block;margin-top:12px;font-size:12px;font-weight:600;color:var(--muted)}
.challenge-extra{margin:18px 0 22px;padding:14px;border-radius:var(--r);background:var(--surface-2);border:1px solid var(--line)}
.challenge-extra>svg{display:inline-block;width:17px;margin-right:4px;vertical-align:middle;color:var(--yellow)}
.challenge-extra>strong{font-size:13.5px;font-weight:600}
.challenge-extra p{margin-top:7px;font-size:13px;line-height:1.7;color:var(--ink-2)}
.editor-heading{display:flex;align-items:center;gap:12px;padding:10px 12px;border-bottom:1px solid var(--line);background:var(--surface-2)}
.editor-kind{display:flex;align-items:center;gap:6px;padding:4px 10px;border-radius:6px;background:var(--blue-soft);color:var(--blue);font-size:12px;font-weight:600}
.editor-kind svg{width:14px;height:14px}
.project-title-label{flex:1;min-width:0}
.project-title-label input{width:100%;padding:6px 8px;border:1px solid transparent;border-radius:6px;background:transparent;font-size:14px;font-weight:600}
.project-title-label input:hover{border-color:var(--line)}
.project-title-label input:focus{border-color:var(--blue);background:var(--paper)}
.editor-bottom{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:9px 14px;border-top:1px solid var(--line);background:var(--surface-2);font-size:12px;color:var(--muted)}
.editor-bottom>span:first-child{display:flex;align-items:center;gap:6px}
.editor-bottom svg{width:13px;height:13px;color:var(--green)}
.editor-loading{padding:90px 20px;text-align:center;font-family:var(--font-mono);font-size:13px;color:var(--muted)}
.editor-loading::after{content:"_";animation:caret 1s steps(1) infinite}
.feedback-content{padding:16px}
.score-summary{display:flex;align-items:center;gap:12px;margin-bottom:6px;padding:4px 0 16px;border-bottom:1px solid var(--line)}
.score-summary>span,.score-summary #score-value{min-width:1ch;font-size:40px;font-weight:600;letter-spacing:-.03em;line-height:1;color:var(--ink);font-variant-numeric:tabular-nums}
.score-summary>div{font-size:12px;font-weight:600;color:var(--muted)}
.score-summary small{display:block;margin-top:4px;font-size:11px;font-weight:500}
.criterion{margin:6px 0;padding:11px 10px;border-radius:12px;border:1px solid transparent;transition:background .2s,border-color .2s}
.criterion-top{display:flex;align-items:flex-start;gap:9px;font-size:13.5px;line-height:1.55}
.criterion-icon{width:17px;height:17px;margin-top:2px;color:var(--line-2)}
.criterion-top>span{flex:1}
.criterion-top>small{padding:2px 7px;border-radius:5px;background:var(--surface-3);font-size:11.5px;font-weight:600;color:var(--muted);white-space:nowrap}
.criterion.passed{background:var(--green-soft);border-color:color-mix(in srgb,var(--green) 35%,transparent)}
.criterion.passed .criterion-icon{color:var(--green);animation:pop .45s cubic-bezier(.3,1.6,.5,1)}
.criterion.missing .criterion-icon{color:var(--orange)}
.criterion.review .criterion-icon{color:var(--purple)}
.criterion-detail{margin:6px 0 0 26px;font-size:12px;line-height:1.65;color:var(--muted)}
.hint-button{display:inline-flex;align-items:center;gap:5px;margin:7px 0 0 26px;padding:3px 0;font-size:12.5px;font-weight:600;color:var(--blue)}
.hint-button:hover{text-decoration:underline;text-underline-offset:3px}
.hint-button svg{width:13px;height:13px;color:var(--yellow)}
.hint-text{margin-top:9px;padding:10px 12px;border-left:3px solid var(--yellow);border-radius:0 8px 8px 0;background:var(--yellow-soft);color:var(--ink);font-size:13px;line-height:1.65}
.feedback-content>.button{margin-top:18px}
#evaluate-button{padding:15px;font-size:16px}
.feedback-note{margin-top:10px;font-size:11px;text-align:center}
.submission-status{margin-top:16px;padding:12px;border-radius:12px;background:var(--green-soft);border:1px solid color-mix(in srgb,var(--green) 40%,transparent);font-size:12.5px;line-height:1.7;white-space:pre-wrap}
.review-form{display:grid;gap:10px;margin-top:20px;padding-top:16px;border-top:1px dashed var(--line-2)}
.review-form h3{font-size:14px}
.read-only-note{padding:12px;background:var(--blue-soft);color:var(--blue);font-size:12px}
.editor-warning{padding:10px 13px;border-bottom:1px solid color-mix(in srgb,var(--yellow) 45%,transparent);background:var(--yellow-soft);color:var(--ink);font-size:12px;line-height:1.6}

/* Bara de unelte a atelierelor */
.toolbar{display:flex;flex-wrap:wrap;align-items:center;gap:3px;padding:7px 8px;border-bottom:1px solid var(--line);background:var(--surface-2)}
.tool-button{display:inline-flex;align-items:center;justify-content:center;gap:5px;min-width:32px;min-height:32px;padding:6px 8px;border-radius:8px;border:1px solid transparent;font-size:11px;font-weight:600;color:var(--ink-2);transition:background .12s,border-color .12s}
.tool-button svg{width:16px;height:16px}
.tool-button:hover{background:var(--paper);border-color:var(--line)}
.tool-button.active{background:var(--blue-soft);color:var(--blue);border-color:color-mix(in srgb,var(--blue) 25%,transparent)}
.toolbar select{max-width:150px;padding:6px 8px;border-radius:8px;border:1px solid var(--line-2);background:var(--paper);font-size:12px}
.toolbar input[type=color]{width:30px;height:30px;padding:3px;border:0;background:transparent}
.toolbar-separator{width:1px;height:22px;margin:0 5px;background:var(--line-2)}
.run-button{display:inline-flex;align-items:center;gap:8px;padding:7px 14px!important;border-radius:7px!important;border:1px solid #15803d!important;background:#15803d!important;color:#fff!important;box-shadow:var(--shadow-sm)!important;font-weight:600!important;opacity:1!important;transition:background .15s}
.run-button:hover:not(:disabled){background:#166534!important}
.run-button:active:not(:disabled){transform:translateY(1px)}
.run-button svg{width:16px;height:16px}
.lang-badge{display:inline-flex;align-items:center;padding:4px 9px;border-radius:6px;font-family:var(--font-mono);font-size:11.5px;font-weight:600}
.lang-python{background:#fdf6e3;color:#854d0e;border:1px solid #f1dfb0}
.lang-cpp{background:var(--blue-soft);color:var(--blue);border:1px solid color-mix(in srgb,var(--blue) 25%,transparent)}

/* Documente */
.document-canvas{min-height:570px;padding:26px 22px;overflow:auto;background:var(--surface-3)}
.document-page{max-width:760px;min-height:550px;margin:0 auto;padding:46px 42px;background:#fff;color:#1f2937;border:1px solid #d9d5c9;box-shadow:0 2px 0 #d9d5c9,0 18px 40px -24px rgba(22,20,31,.4);
  font-family:Arial,sans-serif;font-size:16px;line-height:1.7}
.document-page .tiptap{min-height:450px;outline:none;overflow-wrap:anywhere}
.tiptap p{margin:0 0 12px}
.tiptap h1,.tiptap h2,.tiptap h3{margin:20px 0 12px;font-family:inherit;font-weight:700;color:inherit;letter-spacing:normal}
.tiptap h1{font-size:28px}.tiptap h2{font-size:23px}.tiptap h3{font-size:19px}
.tiptap ul,.tiptap ol{padding-left:26px}
.tiptap blockquote{margin-left:0;padding-left:20px;border-left:3px solid #94a3b8}
.tiptap img{max-width:100%;height:auto}
.tiptap table{width:100%;margin:16px 0;border-collapse:collapse;table-layout:fixed}
.tiptap td,.tiptap th{position:relative;min-width:30px;padding:8px;border:1px solid #94a3b8;vertical-align:top}
.tiptap th{background:#eff4fb}
.tiptap .selectedCell:after{content:"";position:absolute;inset:0;z-index:2;pointer-events:none;background:rgba(35,71,214,.18)}
.tiptap a{color:#2836d9;text-decoration:underline}
.tiptap pre{padding:12px;overflow:auto;border-radius:6px;background:#f2f4f7}
.tiptap .ProseMirror-selectednode{outline:2px solid var(--blue)}

/* Prezentări */
.slide-workspace{display:grid;grid-template-columns:96px minmax(0,1fr);min-height:570px;background:var(--surface-3)}
.slide-list,.slide-thumbnails{max-height:850px;overflow:auto;padding:12px 8px;border-right:1px solid var(--line);background:var(--surface-2)}
.slide-list{display:flex;flex-direction:column;gap:10px}
.slide-thumb{display:flex;flex-direction:column;justify-content:space-between;width:100%;min-height:85px;margin-bottom:10px;padding:8px;overflow:hidden;text-align:left;line-height:1.3;
  border:2px solid var(--line-2);border-radius:8px;font-family:Arial,sans-serif;font-size:8px;transition:border-color .15s,transform .15s var(--ease)}
.slide-thumb:hover{transform:translateX(2px)}
.slide-thumb.active{border-color:var(--blue);box-shadow:0 0 0 3px color-mix(in srgb,var(--blue) 18%,transparent)}
.slide-thumb small{font-size:10px;opacity:.7}
.slide-thumb strong{margin:5px 0;font-size:11px}
.slide-thumb span{font-size:8px}
.slide-edit{min-width:0;padding:18px 16px}
.slide-preview{position:relative;display:block;width:100%;height:auto;aspect-ratio:16/9;padding:7%;overflow:hidden;border-radius:6px;box-shadow:0 2px 0 rgba(0,0,0,.08),0 14px 30px -18px rgba(22,20,31,.5)}
.slide-preview h2{margin:0;font-family:Arial,sans-serif;font-size:clamp(18px,2vw,32px);font-weight:700;line-height:1.15;letter-spacing:-.6px;color:inherit;overflow-wrap:anywhere;white-space:pre-wrap}
.slide-preview p{font-size:clamp(11px,1.2vw,18px);line-height:1.5;white-space:pre-wrap;overflow-wrap:anywhere}
.slide-preview img{position:absolute;right:6%;top:15%;max-width:44%;max-height:70%;object-fit:contain}
.slide-preview.has-image h2,.slide-preview.has-image p{max-width:48%}
.slide-preview.layout-quote h2{font-style:italic}
.slide-preview.layout-full img{inset:0;width:100%;height:100%;max-width:100%;max-height:100%;object-fit:cover;opacity:.3}
.slide-preview.layout-full h2,.slide-preview.layout-full p{z-index:1;max-width:100%}
.slide-fields{display:grid;gap:12px;margin-top:18px}
.slide-fields label{display:grid;gap:5px;font-size:12px;font-weight:700;line-height:1.6;color:var(--muted)}
.slide-fields input,.slide-fields textarea,.slide-fields select{width:100%;padding:9px;border-radius:8px;border:1px solid var(--line-2);background:var(--paper);color:var(--ink);font-size:13px;resize:vertical}
.slide-fields .field-row{display:flex;flex-wrap:wrap;gap:10px}
.slide-fields .field-row label{flex:1;min-width:80px}
.slide-fields input[type=color]{min-height:36px;padding:3px}
.slide-image-actions{display:flex;flex-wrap:wrap;gap:8px}
.slide-present{width:90vw;max-width:1100px}
.presentation-dialog{width:95vw;max-width:1000px}
.presentation .builder-toolbar{justify-content:space-between}

/* Calcul tabelar */
.sheet-formula,.formula-bar{display:flex;align-items:center;gap:10px;padding:9px 10px;border-bottom:1px solid var(--line);background:var(--surface-2);font-size:12px}
.sheet-address,.formula-bar>span{min-width:46px;padding:6px 9px;border-radius:6px;border:1px solid var(--line-2);background:var(--paper);color:var(--ink);font-family:var(--font-mono);font-size:12px;font-weight:600;text-align:center}
.sheet-formula input,.formula-bar input{flex:1;min-width:0;padding:8px 10px;border-radius:8px;border:1px solid var(--line-2);background:var(--paper);font-family:var(--font-mono);font-size:13px}
.sheet-scroll{max-height:470px;overflow:auto}
.sheet-table{border-collapse:separate;border-spacing:0;table-layout:fixed;font-family:Arial,sans-serif;font-size:13px}
.sheet-table th{position:sticky;top:0;z-index:1;min-width:34px;height:27px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--surface-3);color:var(--muted);font-family:var(--font-mono);font-size:10.5px;font-weight:500}
.sheet-table th:first-child{left:0;z-index:2}
.sheet-table tbody th{position:sticky;left:0;z-index:1}
.sheet-table td{min-width:98px;max-width:98px;height:30px;padding:0;border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--paper)}
.sheet-table td input{display:block;width:98px;height:30px;padding:5px 7px;border:0;border-radius:0;outline:none;background:transparent;color:var(--ink);font-size:12px;text-overflow:ellipsis}
.sheet-table td.selected{outline:2px solid var(--blue);outline-offset:-2px;background:var(--blue-soft)}
.sheet-note{padding:10px 14px;font-size:12px;color:var(--muted)}
.sheet-chart{padding:20px;border-top:1px solid var(--line)}
.sheet-chart h3{margin-bottom:15px;font-size:14px}
.sheet-chart canvas{width:100%;height:auto}
.chart-row{display:grid;grid-template-columns:100px 1fr 50px;gap:10px;align-items:center;margin-bottom:9px;font-size:12px}
.chart-row span{overflow-wrap:anywhere}
.chart-bar{height:16px;min-width:2px;border-radius:4px;background:var(--blue)}
.formula-error{color:var(--red)!important}

/* Cod: C++, Python, web */
.code-area{display:block;width:100%;min-height:340px;padding:18px 20px;border:0;border-radius:0;resize:vertical;outline-offset:-3px;tab-size:4;
  background:var(--code-bg);color:var(--code-ink);caret-color:var(--volt);font:14.5px/1.7 var(--font-mono);font-variant-ligatures:none;font-feature-settings:"liga" 0,"calt" 0}
.code-area::selection{background:rgba(124,150,255,.35);color:#fff}
.code-inputs{display:grid;gap:10px;padding:14px;border-top:1px solid var(--line)}
.code-inputs label{display:grid;gap:6px;font-size:12px;font-weight:600;color:var(--muted)}
.code-inputs textarea{width:100%;min-height:60px;padding:10px 12px;border-radius:10px;border:1px solid var(--code-line);background:var(--code-bg);color:var(--code-ink);font:13.5px/1.55 var(--font-mono)}
.code-output{margin:0;min-height:80px;max-height:350px;padding:14px 16px;overflow:auto;border-top:1px solid var(--line);background:#0b1220;color:#d1fae5;font:13.5px/1.7 var(--font-mono);white-space:pre-wrap;overflow-wrap:anywhere;font-variant-ligatures:none}
.web-editors{display:grid;grid-template-columns:1fr 1fr}
.web-editors>div{min-width:0}
.web-editors>div+div{border-left:1px solid var(--code-line)}
.web-editors label{display:block;padding:8px 14px;background:#16213a;color:#94a3b8;font-size:12px;font-weight:600}
.web-editors textarea{min-height:250px;font-size:13px}
.web-preview{display:block;width:100%;height:320px;border:0;border-top:1px solid var(--line);background:#fff}

/* Algoritmi vizuali (blocuri) */
.blocks-workspace{display:grid;grid-template-columns:1fr 1fr;min-height:570px}
.block-program{min-width:0;padding:14px;border-right:1px solid var(--line);background:color-mix(in srgb,var(--purple-soft) 60%,var(--card))}
.block-program h3{margin-bottom:8px;font-size:14px}
.block-program>p{margin-bottom:12px;font-size:12px}
.block-list{display:grid;align-content:start;gap:7px;min-height:80px}
.block-row{padding:9px 10px;border-radius:8px;border:1px solid #5b21b6;background:#6d28d9;color:#fff;font-size:12.5px;font-weight:500;box-shadow:var(--shadow-sm)}
.block-row-top,.block-head{display:flex;flex-wrap:wrap;align-items:center;gap:5px}
.block-row-top>span{flex:1}
.block-row input{width:48px;padding:3px 5px;border-radius:5px;border:1px solid #4c1d95;background:#fff;color:#0f172a;font-size:12px}
.block-row input[type=text]{width:100%;max-width:160px}
.block-row .block-value{width:100%;margin-top:6px}
.block-row button{padding:2px;font-size:11px;color:rgba(255,255,255,.8)}
.block-row button:hover{color:#fff}
.block-controls{display:flex;gap:3px;margin-left:auto}
.block-control svg{width:14px;height:14px}
.block-body{margin:10px 0 0 8px;padding-left:9px;border-left:2px solid rgba(255,255,255,.5)}
.block-row>.block-list{margin-top:9px;padding-left:8px;border-left:3px solid rgba(255,255,255,.55)}
.block-add{display:flex;flex-wrap:wrap;align-items:center;gap:5px;margin-top:10px}
.block-add select{flex:1;min-width:0;max-width:100%;padding:7px;border-radius:8px;border:1px solid var(--line-2);background:var(--paper);font-size:12px}
.block-add button{padding:7px 11px;border-radius:7px;background:var(--purple);color:#fff;font-size:12.5px;font-weight:600}
.block-stage{display:flex;flex-direction:column;gap:14px;min-width:0;padding:15px}
.block-stage>p{font-size:12px}
.block-board{display:grid;width:100%;aspect-ratio:1;overflow:hidden;border-radius:10px;border:1px solid var(--line-2);box-shadow:var(--shadow)}
.board-cell{position:relative;display:flex;align-items:center;justify-content:center;min-width:0;aspect-ratio:1;border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--paper);font-size:17px}
.board-cell.wall{background:#334155;background-image:linear-gradient(45deg,rgba(255,255,255,.06) 25%,transparent 25%,transparent 75%,rgba(255,255,255,.06) 75%);background-size:10px 10px}
.board-cell.goal{background:var(--green-soft);color:var(--green)}
.board-cell .robot,.board-cell.robot{z-index:2;color:var(--blue);font-size:25px;font-weight:600}
.board-cell .coin,.board-cell.coin{color:#d19300}
.board-cell .coin{position:absolute;font-size:19px}
.board-cell .goal-mark{position:absolute;color:var(--green);font-size:15px}
.block-readout,.block-caption{font-size:12px;line-height:1.7;color:var(--muted);white-space:pre-wrap}
.block-readout{min-height:48px}
.block-output{min-height:55px;font:12.5px/1.7 var(--font-mono);white-space:pre-wrap}

/* Grafică 2D și 3D */
.drawing-area,.graphics-stage{position:relative;padding:16px;overflow:hidden;background:var(--surface-3);background-image:radial-gradient(var(--bg-dot) 1px,transparent 1.3px);background-size:16px 16px}
.drawing-area{display:grid;place-items:center;min-height:430px}
.drawing-board,.graphics-stage .drawing-canvas{display:block;width:100%;height:auto;touch-action:none;background:#fff;border-radius:4px;box-shadow:0 2px 0 rgba(0,0,0,.06),0 16px 34px -20px rgba(22,20,31,.5)}
.drawing-board{aspect-ratio:4/3}
.graphics-stage .drawing-canvas{aspect-ratio:8/5}
.graphics-stage canvas{display:block;max-width:100%}
.drawing-board .selected-object{outline:2px solid var(--blue)}
.object-properties{display:flex;flex-wrap:wrap;gap:9px;padding:13px;border-top:1px solid var(--line);background:var(--surface-2)}
.object-properties label{display:grid;flex:1;gap:5px;min-width:60px;max-width:140px;font-size:11px;font-weight:700;color:var(--muted)}
.object-properties input{width:100%;padding:7px;border-radius:7px;border:1px solid var(--line-2);background:var(--paper);font-size:12px}
.object-properties input[type=color]{height:32px;padding:3px}
.object-properties .wide-field,.object-properties .object-text{min-width:180px;max-width:none}
.object-list{display:flex;gap:6px;padding:10px;overflow-x:auto;border-top:1px solid var(--line)}
.object-chip{padding:6px 10px;border-radius:999px;border:1px solid var(--line-2);font-size:11px;font-weight:600;white-space:nowrap}
.object-chip.active{background:var(--blue-soft);border-color:color-mix(in srgb,var(--blue) 30%,transparent);color:var(--blue)}
.model-stage{position:relative;width:100%;height:430px;background:radial-gradient(120% 90% at 50% 0%,#f4f2ff,#dcd8ea 75%)}
:root[data-theme="dark"] .model-stage{background:radial-gradient(120% 90% at 50% 0%,#24223a,#0f0e17 75%)}
.model-stage canvas{display:block;width:100%;height:100%}

/* Fișiere și multimedia */
.file-workspace{min-height:500px;padding:16px}
.file-tree{display:grid;gap:4px;margin:15px 0}
.file-row{display:flex;align-items:center;gap:9px;padding:10px 12px;border-radius:10px;border:1px solid transparent;font-size:14px}
.file-row:hover{background:var(--surface-2)}
.file-row.active{border-color:color-mix(in srgb,var(--blue) 30%,transparent);background:var(--blue-soft)}
.file-row button{flex:1;text-align:left}
.file-row svg{width:18px;height:18px;color:var(--blue)}
.file-move{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:12px;border-radius:12px;background:var(--surface-2);font-size:13px}
.file-move select{width:auto;max-width:100%;padding:7px 9px}
.media-timeline{display:flex;gap:6px;padding:12px;overflow-x:auto;border-bottom:1px solid var(--line);background:var(--surface-2)}
.media-timeline button{min-width:68px;padding:8px;border-radius:8px;border:1px solid var(--line-2);background:var(--paper);font-size:11px;font-weight:600;color:var(--ink-2)}
.media-timeline button.active{background:var(--blue);border-color:var(--blue);color:#fff}
.media-timeline small{display:block;margin-top:5px;font-size:9.5px}

/* Exerciții interactive */
.quiz-workspace{display:grid;gap:16px;padding:20px}
.quiz-question{min-width:0;margin:0;padding:18px 18px 16px;border-radius:var(--r-lg);border:1px solid var(--line);background:var(--card);box-shadow:var(--shadow-sm);transition:border-color .2s,background .2s}
.quiz-question:focus-within{border-color:var(--line-2);box-shadow:var(--shadow)}
.quiz-question legend{float:left;display:flex;flex-wrap:wrap;align-items:center;gap:8px;width:100%;margin:0 0 12px;padding:0;font-size:15px;font-weight:600;line-height:1.45}
.quiz-question legend~*{clear:both}
.quiz-num{display:grid;place-items:center;width:26px;height:26px;border-radius:6px;background:var(--surface-3);color:var(--ink);font-size:13px;font-weight:600}
.quiz-type{padding:3px 8px;border-radius:5px;background:var(--teal-soft);color:var(--teal);font-size:11px;font-weight:600;letter-spacing:.04em;text-transform:uppercase}
.quiz-prompt{flex-basis:100%}
.quiz-options{display:grid;gap:8px}
.quiz-option{display:flex;align-items:flex-start;gap:11px;padding:11px 14px;border-radius:8px;border:1px solid var(--line-2);background:var(--paper);font-size:14px;line-height:1.55;cursor:pointer;transition:background .15s,border-color .15s}
.quiz-option:hover{border-color:#b8bfcc;background:var(--surface-2)}
.quiz-option:has(input:checked){border-color:var(--blue);background:var(--blue-soft);box-shadow:none}
.quiz-option input{margin-top:3px;accent-color:var(--blue)}
.quiz-truefalse .quiz-options{grid-template-columns:1fr 1fr;gap:10px}
.quiz-truefalse .quiz-option{justify-content:center;font-size:15px;font-weight:600}
.quiz-code{position:relative;margin:6px 0 12px;padding:16px 18px;overflow:auto;border-radius:14px;background:var(--code-bg);color:var(--code-ink);font-size:14px;line-height:1.6;font-variant-ligatures:none}
.quiz-code::before{content:attr(data-lang);position:absolute;top:8px;right:12px;font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;color:#64748b}
.quiz-fill{width:100%;padding:11px 13px;border-radius:8px;border:1px solid var(--line-2);background:var(--paper);font-size:15px}
textarea.quiz-fill{resize:vertical;font-family:var(--font-mono)}
.order-list{display:grid;gap:8px;margin:0;padding:0;list-style:none;counter-reset:ord}
.order-item{display:flex;align-items:center;gap:10px;padding:9px 10px 9px 12px;border-radius:8px;border:1px solid var(--line-2);background:var(--paper);counter-increment:ord;cursor:grab;transition:box-shadow .12s,border-color .12s}
.order-item:hover{border-color:#b8bfcc}
.order-item::before{content:counter(ord);display:grid;place-items:center;min-width:24px;height:24px;border-radius:6px;background:var(--blue-soft);color:var(--blue);font-size:12.5px;font-weight:600}
.order-item.dragging{opacity:.5}
.order-item.drop-target{transform:translateY(3px);box-shadow:0 0 0 2px var(--blue)}
.order-grip{letter-spacing:-2px;color:var(--faint)}
.order-text{flex:1;line-height:1.4;white-space:pre-wrap}
.order-move{width:32px;height:32px;border-radius:7px;border:1px solid var(--line-2);background:var(--card);font-weight:600}
.order-move:active:not(:disabled){transform:translateY(1px)}
.match-row{display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1.3fr);gap:10px;align-items:center;margin-bottom:8px;padding:8px 10px;border-radius:8px;border:1px dashed var(--line-2)}
.match-row.chosen{border-style:solid;border-color:color-mix(in srgb,var(--blue) 30%,transparent);background:var(--blue-soft)}
.match-left{font-weight:600}
.match-arrow{font-weight:600;color:var(--faint)}
.cat-row{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;padding:10px 0;border-bottom:1px solid var(--line)}
.cat-row:last-child{border-bottom:0}
.cat-item{flex:1 1 220px;font-weight:600}
.cat-choices{display:flex;flex-wrap:wrap;gap:6px}
.cat-chip{padding:7px 13px;border-radius:999px;border:1px solid var(--line-2);background:var(--paper);font-size:13px;font-weight:500;transition:all .12s}
.cat-chip:hover{border-color:#b8bfcc}
.cat-chip:active:not(:disabled){transform:translateY(2px)}
.cat-chip.active{background:var(--blue);border-color:var(--blue);color:#fff;box-shadow:none}
.quiz-question.is-correct{border-color:var(--green);background:linear-gradient(0deg,var(--green-soft),var(--card) 70%)}
.quiz-question.is-correct legend .quiz-num{background:var(--green);color:#fff}
.quiz-question.is-wrong{border-color:var(--red);animation:shake .4s}
.quiz-question.is-wrong legend .quiz-num{background:var(--red);color:#fff}
@keyframes shake{25%{transform:translateX(-5px)}75%{transform:translateX(5px)}}
.reflection-field{display:grid;gap:9px;font-size:13px;font-weight:600}
.reflection-field textarea{width:100%;min-height:100px;padding:12px;border-radius:12px;border:1px solid var(--line-2);background:var(--paper);font-size:14px;resize:vertical}

/* Robotică */
.robot-toolbar{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.robot-toolbar select{width:auto;padding:7px 10px}
.robot-layout{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:14px;padding:14px}
.robot-code,.robot-side{display:grid;align-content:start;gap:10px}
.robot-source{width:100%;min-height:420px;border-radius:14px;resize:vertical}
.robot-api{padding:10px 14px;border-radius:14px;border:1px solid var(--line);background:var(--surface-2)}
.robot-api summary{cursor:pointer;font-weight:600}
.robot-api dl{display:grid;grid-template-columns:auto 1fr;gap:6px 12px;margin:10px 0 0;font-size:13px}
.robot-api dt code{font-size:12.5px;font-weight:700;color:var(--blue)}
.robot-api dd{margin:0;color:var(--muted)}
.robot-stage{position:relative;height:430px;overflow:hidden;border-radius:12px;border:1px solid var(--line-2);box-shadow:var(--shadow);background:radial-gradient(120% 90% at 50% 0%,#f1f4fa,#d9dfea 70%,#c3cbdb)}
:root[data-theme="dark"] .robot-stage{background:radial-gradient(120% 90% at 50% 0%,#24223a,#0f0e17 75%)}
.robot-stage canvas{display:block;width:100%;height:100%;cursor:grab}
.robot-stage.crash{animation:shake .35s;box-shadow:inset 0 0 0 4px rgba(220,39,66,.7),var(--lift)}
.robot-map-label{position:absolute;left:12px;top:12px;z-index:2;padding:5px 10px;border-radius:6px;background:rgba(15,23,42,.82);color:#fff;font-size:12px;font-weight:600}
.robot-bubble{position:absolute;right:12px;top:12px;z-index:2;max-width:60%;padding:10px 14px;border-radius:10px 10px 3px 10px;background:#fff;color:#0f172a;font-weight:600;box-shadow:var(--shadow-md);animation:pop .3s}
.robot-hud{display:flex;flex-wrap:wrap;gap:8px}
.robot-hud span{padding:5px 10px;border-radius:6px;border:1px solid var(--line);background:var(--card);font-size:12.5px;font-weight:500}
.robot-hud span:empty{display:none}
.robot-output{min-height:90px;margin:0;padding:14px;border-radius:14px;border-top:0;white-space:pre-wrap}

/* ---------- 8. Efecte: proiector, XP, confetti, apariție ---------- */
.confetti-canvas{position:fixed;inset:0;z-index:2000;pointer-events:none}
.xp-toast{position:fixed;left:50%;top:90px;z-index:2001;transform:translateX(-50%);padding:11px 18px;border-radius:10px;background:#0f172a;color:#fff;box-shadow:var(--shadow-md);font-size:15px;font-weight:600;animation:xpin 2.6s var(--ease) forwards}
@keyframes xpin{0%{opacity:0;transform:translate(-50%,12px)}12%{opacity:1;transform:translate(-50%,0)}80%{opacity:1}100%{opacity:0;transform:translate(-50%,-10px)}}
15%{opacity:1;transform:translate(-50%,0) scale(1) rotate(-2deg)}80%{opacity:1}100%{opacity:0;transform:translate(-50%,-30px)}}
.projector{position:fixed;inset:0;z-index:3000;display:grid;grid-template-rows:auto 1fr auto;padding:4vh 6vw;background:#0b1120;color:#e2e8f0;font-family:var(--font-body)}
.projector header{display:flex;align-items:center;justify-content:space-between;gap:20px;font-size:15px;color:#8391a7}
.projector .slide{align-self:center;max-width:1150px}
.projector h2{margin-bottom:3vh;font-size:clamp(34px,4.2vw,62px);font-weight:600;line-height:1.1;letter-spacing:-.03em;color:#fff}
.projector .slide p{font-size:clamp(20px,2.1vw,32px);line-height:1.55;white-space:pre-line;color:#cbd5e1}
.projector footer{display:flex;align-items:center;justify-content:space-between;gap:16px}
.projector .dots{display:flex;gap:8px}
.projector .dots span{width:9px;height:9px;border-radius:50%;background:#26334d}
.projector .dots span.on{width:24px;border-radius:999px;background:#7c96ff}
.projector .button{background:#16213a;color:#e2e8f0;border-color:#26334d;box-shadow:none}
.projector .button.primary{background:#2347d6;border-color:#2347d6;color:#fff}
.reveal{opacity:0;transform:translateY(14px);transition:opacity .6s ease,transform .6s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* Intrare în pagină: apariție eșalonată */
.main-content>*{animation:rise .55s var(--ease) backwards}
.main-content>*:nth-child(2){animation-delay:.05s}.main-content>*:nth-child(3){animation-delay:.1s}.main-content>*:nth-child(4){animation-delay:.15s}.main-content>*:nth-child(5){animation-delay:.2s}
.lesson-grid>.lesson-card{animation:rise .5s var(--ease) backwards}
.lesson-grid>.lesson-card:nth-child(2){animation-delay:.04s}.lesson-grid>.lesson-card:nth-child(3){animation-delay:.08s}.lesson-grid>.lesson-card:nth-child(4){animation-delay:.12s}
.lesson-grid>.lesson-card:nth-child(5){animation-delay:.16s}.lesson-grid>.lesson-card:nth-child(n+6){animation-delay:.2s}
@keyframes rise{from{opacity:0;transform:translateY(16px)}}


/* Mod întunecat */
:root[data-theme="dark"] .button.primary,:root[data-theme="dark"] .hero .button.primary{color:#0b1120}
:root[data-theme="dark"] .board-cell.wall{background-color:#334155}
:root[data-theme="dark"] .document-canvas,:root[data-theme="dark"] .slide-workspace{background:#070c18}
:root[data-theme="dark"] .robot-stage{background:radial-gradient(120% 90% at 50% 0%,#1c2840,#0b1120 75%)}

/* ---------- 9. Responsive ---------- */
@media (min-width:1500px){
  .workspace-grid{grid-template-columns:290px minmax(420px,1fr) 290px}
  .lesson-panel-content,.feedback-content{padding:20px}
}
@media (max-width:1200px){
  :root{--side-w:226px}
  .main-content{padding:28px 24px 46px}
  .topbar{padding:0 24px}
  .lesson-grid,.portfolio-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .hero{padding:38px 32px 0}
  .hero-stats{margin:0 -32px}.hero-stats div{padding:20px 32px}
  .feature-icon{right:20px;width:104px;height:104px;border-radius:24px}
  .feature-icon>svg{width:46px;height:46px}
  .feature-copy{max-width:70%}
  .workspace-grid{grid-template-columns:220px minmax(280px,1fr) 230px;gap:12px}
  .main-wide{padding:20px 16px}
  .lesson-panel-content,.feedback-content{padding:13px}
  .workspace-heading{align-items:flex-start}
  .workspace-actions{max-width:380px}
  .document-page{padding:26px 22px}
  .document-canvas{padding:18px 14px}
  .teacher-grid,.builder-layout{grid-template-columns:1fr}
  .teacher-side{grid-template-columns:1fr 1fr}
  .builder-preview{position:static}
  .robot-layout{grid-template-columns:1fr}
  .robot-stage{height:340px}
  .robot-source{min-height:260px}
}
@media (max-width:1100px){
  .hero{grid-template-columns:1fr}
  .hero-scene{order:0;min-height:0;padding:0 0 40px}
  .code-window{justify-self:stretch;width:100%;margin:0}
  .hero-copy{padding-bottom:32px}
}
@media (max-width:980px){
  .home-feature{grid-template-columns:1fr}
  .grade-caption,.page-heading>.button,.topbar-label{display:none}
  .workspace-grid{grid-template-columns:minmax(280px,1fr) 240px}
  .lesson-panel{grid-column:1/-1}
  .lesson-panel-content{display:grid;grid-template-columns:1fr 1fr;gap:8px 20px}
  .lesson-panel .lesson-goal{grid-row:span 3;margin-bottom:0}
  .lesson-panel .challenge-extra{margin:0;padding:10px}
  .lesson-panel-content>.button{grid-column:2}
  .lesson-panel .theory-section{padding:7px 0}
  .workspace-heading>div>p{display:none}
  .workspace-actions{max-width:300px}
  .workspace-actions .save-status{width:100%;max-width:none;text-align:right}
  .workspace-page .app-footer{display:none}
  .assignment-list{grid-template-columns:1fr}
  .app-footer>span:nth-child(2){display:none}
  .teacher-stats{grid-template-columns:1fr 1fr}
}
@media (max-width:760px){
  .sidebar,.workspace-page .sidebar{width:262px;padding:20px 14px;transform:translateX(-100%);transition:transform .25s var(--ease);box-shadow:20px 0 60px rgba(0,0,0,.35)}
  .menu-open .sidebar{transform:translateX(0)}
  .workspace-page .brand-text,.workspace-page .nav-caption,.workspace-page .sidebar-bottom{display:initial}
  .workspace-page .sidebar-bottom{display:block}
  .workspace-page .brand{justify-content:flex-start;padding:2px 8px 26px}
  .workspace-page .nav-item{justify-content:flex-start;gap:11px;padding:10px 12px;font-size:14px}
  .workspace-page .sidebar nav{border-bottom:0;margin-bottom:0;padding-bottom:0}
  .app-shell,.workspace-page .app-shell{margin-left:0}
  .icon-button.mobile-menu{display:inline-flex}
  .topbar,.workspace-page .topbar{height:62px;padding:0 16px}
  .topbar-right{gap:8px}
  .topbar-right .button{padding:9px 11px;font-size:13px}
  .user-link{padding:3px}
  .user-link>span:last-child{display:none}
  .main-content,.main-wide{padding:20px 16px 34px}
  .page-heading{flex-direction:column;align-items:flex-start;margin-bottom:22px}
  .page-heading h1{font-size:28px}
  .page-heading p{font-size:14px}
  .hero{padding:28px 20px 0;border-radius:14px}
  .hero h1{font-size:clamp(32px,9vw,44px)}
  .hero-lead{font-size:15.5px}
  .hero-actions{gap:10px}
  .hero-actions .button{flex:1 1 auto}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr));margin:0 -20px}
  .hero-stats div{padding:16px 20px}
  .hero-stats div:nth-child(2){border-right:0}
  .hero-stats div:nth-child(-n+2){border-bottom:1px solid rgba(255,255,255,.1)}
  .hero-scene{order:0;min-height:0;padding:0 0 30px}
  .code-window{width:100%;margin:0}
  .cw-code{font-size:12.5px;padding:14px}
  .eval-card{display:none}
  .trust-strip{grid-template-columns:1fr 1fr}
  .trust-strip div:nth-child(2){border-right:0}
  .trust-strip div:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .grade-bar{flex-wrap:wrap;gap:8px;padding:8px}
  .grade-bar>span:first-child{padding-left:8px}
  .grade-tab{padding:8px 11px;font-size:13px}
  .feature-main{padding:20px 20px 0}
  .feature-copy{max-width:100%;padding-top:14px}
  .feature-icon{position:relative;right:auto;top:auto;width:76px;height:76px;margin:16px 0 0;border-radius:20px}
  .feature-icon>svg{width:36px;height:36px}
  .section-title{flex-direction:column;align-items:stretch;gap:14px}
  .section-title h2{font-size:21px}
  .search-box{width:100%}
  .lesson-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
  .lesson-card{padding:16px}
  .lesson-card h3{font-size:15.5px}
  .lesson-card p{font-size:13px}
  .app-footer{flex-wrap:wrap;padding:18px 16px}
  .workspace-grid{grid-template-columns:1fr}
  .lesson-panel-content{display:block;padding:16px}
  .lesson-panel .lesson-goal{margin-bottom:15px}
  .lesson-panel .challenge-extra{margin:12px 0}
  .workspace-heading{flex-direction:column;align-items:stretch;gap:14px}
  .workspace-actions{max-width:none;justify-content:flex-start}
  .workspace-actions .save-status{width:100%;text-align:left}
  .feedback-content{padding:18px}
  .criterion-top{font-size:14px}
  .hint-text{font-size:13px}
  .lesson-goal p,.theory-section p,.theory-section summary{font-size:14.5px}
  .editor-kind{display:none}
  .toolbar .tool-button{min-width:36px;min-height:38px;font-size:12px}
  .toolbar select{font-size:13px}
  .teacher-side,.form-columns,.portfolio-grid{grid-template-columns:1fr}
  .teacher-controls{flex-direction:column;align-items:stretch}
  .teacher-assignment{flex-direction:column;align-items:flex-start}
  .builder-form section{padding:17px}
  .builder-toolbar{flex-direction:column;align-items:stretch}
  .builder-toolbar select{width:100%;max-width:none}
  .slide-fields input,.slide-fields textarea,.form-panel :is(input,select,textarea),.builder-form :is(input,select,textarea),
  .search-box input,.formula-bar input,.sheet-formula input,.app-dialog :is(input,textarea,select){font-size:16px}
  .web-editors{grid-template-columns:1fr}
  .web-editors>div+div{border-left:0;border-top:1px solid var(--code-line)}
  .web-editors textarea{min-height:190px}
  .quiz-workspace{padding:14px}
  .quiz-option{font-size:14.5px}
  .match-row{grid-template-columns:1fr}
  .match-arrow{display:none}
  .button{min-height:42px}
  .key-lg{width:100%}
  .app-dialog{padding:24px 18px}
  .graphics-stage{padding:6px}
  .data-table th,.data-table td{padding:11px 12px}
  .block-control{min-width:24px;min-height:26px}
  .apps-grid{grid-template-columns:1fr}
}
@media (max-width:440px){
  .lesson-grid{grid-template-columns:1fr}
  .hero-actions .button{width:100%}
  .blocks-workspace{grid-template-columns:1fr}
  .block-stage{order:-1}
  .block-board{max-width:260px;margin:auto}
  .block-program{border-right:0;border-top:1px solid var(--line)}
  .slide-workspace{grid-template-columns:66px minmax(0,1fr)}
  .slide-edit{padding:12px 9px}
  .workspace-actions .button{padding:9px 10px;font-size:12px}
  .topbar-right .button.ghost{display:none}
  .grade-tab{padding:8px 9px}
  .form-panel{padding:20px}
  .teacher-stats{grid-template-columns:1fr 1fr;gap:10px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{scroll-behavior:auto!important;transition:none!important;animation:none!important}
  .reveal{opacity:1;transform:none}
  .cw-code .ln,.eval-card{opacity:1}
}
@media print{
  body{background:#fff}
  .sidebar,.topbar,.app-footer,.lesson-panel,.feedback-panel,.workspace-heading,.toolbar,.editor-heading,.editor-bottom,.hero-scene,.trust-strip{display:none!important}
  .app-shell,.workspace-page .app-shell{margin:0!important}
  .main-content{padding:0}
  .main-content>*{animation:none}
  .workspace-grid{display:block}
  .editor-panel{border:0;box-shadow:none}
  .document-canvas{padding:0;background:#fff}
  .document-page{max-width:none;box-shadow:none;border:0}
  .document-page .tiptap{min-height:0}
  .map-grade,.map-kpis div{break-inside:avoid;box-shadow:none}
}

/* ---------- 10. Navigare, culegere de probleme ---------- */
.crumbs{display:flex;align-items:center;gap:6px;min-width:0;font-size:13.5px;color:var(--muted)}
.crumbs a:hover{color:var(--ink)}
.crumbs svg{width:14px;height:14px;color:var(--faint)}
.crumbs span{overflow:hidden;white-space:nowrap;text-overflow:ellipsis;max-width:46vw;font-weight:600;color:var(--ink)}
.ws-meta{display:flex;flex-wrap:wrap;align-items:center;gap:6px 14px;margin:2px 0 6px;font-size:13px;color:var(--muted)}
.ws-meta>span:not(.pill)+span:not(.pill)::before,.ws-meta .pill+span::before{content:"·";margin-right:14px;color:var(--faint)}
.ws-meta .pill+span::before{display:none}
.lesson-nav{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:18px}
.lesson-nav a{display:flex;align-items:center;gap:12px;padding:14px 16px;border-radius:var(--r-lg);border:1px solid var(--line);background:var(--card);box-shadow:var(--shadow-sm);font-weight:600;transition:border-color .15s,box-shadow .15s}
.lesson-nav a:hover{border-color:var(--line-2);box-shadow:var(--shadow-md)}
.lesson-nav a.next{justify-content:flex-end;text-align:right;grid-column:2}
.lesson-nav small{display:block;margin-bottom:2px;font-size:12px;font-weight:500;color:var(--muted)}
.lesson-nav svg{color:var(--blue)}
.filter-row.level-row{align-items:center;margin-top:-14px}
.filter-label{margin-right:4px;font-size:13px;font-weight:600;color:var(--muted)}
.problem-table td{vertical-align:middle}
.problem-table td:first-child{width:64px}
.problem-nr{font-family:var(--font-mono);font-size:12.5px;color:var(--faint)}
.problem-title{font-size:14.5px;font-weight:600;color:var(--ink)!important;text-decoration:none!important}
.problem-title:hover{color:var(--blue)!important}
.problem-table td small{max-width:56ch}
.problem-table .pill svg{width:12px;height:12px}
.problem-table td:last-child{text-align:right;white-space:nowrap}
.judge-explainer{margin-top:34px;padding:24px 26px;border-radius:var(--r-lg);border:1px solid var(--line);background:var(--card);box-shadow:var(--shadow)}
.judge-explainer h2{margin-bottom:16px}
.judge-explainer ol{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;margin:0;padding:0;list-style:none;counter-reset:st}
.judge-explainer li{counter-increment:st;font-size:13.5px;line-height:1.55;color:var(--muted)}
.judge-explainer li::before{content:counter(st);display:grid;place-items:center;width:28px;height:28px;margin-bottom:10px;border-radius:7px;background:var(--blue-soft);color:var(--blue);font-weight:600}
.judge-explainer strong{display:block;margin-bottom:4px;font-size:14.5px;color:var(--ink)}
.explore-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin:0 0 36px}
.explore-card{display:flex;flex-direction:column;gap:8px;padding:18px;border-radius:var(--r-lg);border:1px solid var(--line);background:var(--card);box-shadow:var(--shadow);transition:border-color .15s,box-shadow .15s,transform .2s var(--ease)}
.explore-card:hover{transform:translateY(-2px);border-color:var(--line-2);box-shadow:var(--shadow-md)}
.explore-card>svg{width:36px;height:36px;padding:8px;border-radius:9px;background:var(--blue-soft);color:var(--blue)}
.explore-card strong{font-size:15.5px}
.explore-card span{font-size:13px;line-height:1.5;color:var(--muted)}
.explore-card em{margin-top:auto;font-style:normal;font-size:12.5px;font-weight:600;color:var(--blue)}
@media (max-width:1100px){.explore-grid{grid-template-columns:1fr 1fr}.judge-explainer ol{grid-template-columns:1fr 1fr}}
@media (max-width:760px){.crumbs>a,.crumbs>svg{display:none}.lesson-nav{grid-template-columns:1fr}.lesson-nav a.next{grid-column:1}.problem-table th:nth-child(3),.problem-table td:nth-child(3),.problem-table th:nth-child(5),.problem-table td:nth-child(5),.problem-table td small{display:none}.explore-grid,.judge-explainer ol{grid-template-columns:1fr}}