/* Shared styles for the school pages (/join, /class, /teach, /school, /hq).
   Same tokens as the app so everything feels like one product. Mobile first. */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root,[data-theme="light"]{--bg:#f4f1eb;--bg1:#faf8f3;--bg2:#ede9e0;--bg3:#e4dfd4;--ink:#0f0f0d;--ink2:#5a5550;--ink3:#8f877e;--jade:#3a7a40;--jade-ink:#2f6534;--jade-dim:rgba(58,122,64,0.08);--jade-border:rgba(58,122,64,0.28);--err:#b3372a;--err-bg:rgba(179,55,42,0.08);--warn:#9a6a00;--warn-bg:rgba(184,134,11,0.12);--border:rgba(0,0,0,0.08);--border2:rgba(0,0,0,0.15);--shadow:0 2px 16px rgba(0,0,0,0.08);--card:#fffdf8}
[data-theme="dark"]{--bg:#0d0d0c;--bg1:#151514;--bg2:#1d1d1b;--bg3:#262624;--ink:#f0f0ec;--ink2:#a6a39c;--ink3:#6f6c66;--jade:#5aa862;--jade-ink:#7cc184;--jade-dim:rgba(90,168,98,0.12);--jade-border:rgba(90,168,98,0.32);--err:#ff6b5f;--err-bg:rgba(255,95,87,0.12);--warn:#e0b040;--warn-bg:rgba(224,176,64,0.12);--border:rgba(255,255,255,0.07);--border2:rgba(255,255,255,0.14);--shadow:0 2px 20px rgba(0,0,0,0.5);--card:#161615}
html{font-size:16px;-webkit-text-size-adjust:100%}
body{background:var(--bg);color:var(--ink);font-family:'DM Sans',system-ui,-apple-system,'Segoe UI',sans-serif;line-height:1.5;min-height:100vh;min-height:100dvh;overflow-x:hidden}
html[lang="ar"] body{font-family:'Noto Naskh Arabic','DM Sans',system-ui,sans-serif}
a{color:var(--jade-ink)}
button,input,select,textarea{font:inherit;color:inherit}
img{max-width:100%;display:block}
[hidden]{display:none !important}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* ── top bar ───────────────────────────────────────── */
.bar{position:sticky;top:0;z-index:50;background:var(--bg);border-bottom:1px solid var(--border);display:flex;align-items:center;gap:10px;padding:10px 16px;min-height:56px}
.bar .brand{display:flex;align-items:baseline;gap:6px;text-decoration:none;color:inherit;min-width:0}
.bar .brand .ar{font-family:'Noto Naskh Arabic',serif;color:var(--jade);font-weight:700;font-size:18px}
.bar .brand .sub{unicode-bidi:plaintext;font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:46vw}
.bar .grow{flex:1}
.bar .back{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:10px;border:1px solid var(--border2);background:var(--bg1);cursor:pointer;font-size:18px;flex-shrink:0}
html[dir="rtl"] .bar .back{transform:scaleX(-1)}
.bar .title{font-weight:600;font-size:16px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0}

/* ── layout ────────────────────────────────────────── */
.wrap{max-width:760px;margin:0 auto;padding:16px 16px 96px}
.wrap.wide{max-width:1100px}
h1{font-family:'Playfair Display',Georgia,serif;font-weight:500;font-size:26px;line-height:1.2;margin:4px 0 4px}
html[lang="ar"] h1{font-family:'Noto Naskh Arabic',serif;font-weight:700}
h2{font-size:18px;font-weight:600;margin:24px 0 10px}
h3{font-size:15px;font-weight:600}
.muted{color:var(--ink2)}
.small{font-size:13px}
.tiny{font-size:12px}
.row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.row.nowrap{flex-wrap:nowrap}
.spread{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}
.stack>*+*{margin-top:12px}
.grid{display:grid;gap:12px;grid-template-columns:minmax(0,1fr)}
.grid>*{min-width:0}
.grid.four{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid.four .stat .n{font-size:22px}
@media(min-width:700px){.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}.grid.four{grid-template-columns:repeat(4,minmax(0,1fr))}.grid.four .stat .n{font-size:26px}}
.tabs.fade-end{-webkit-mask-image:linear-gradient(90deg,#000 82%,transparent);mask-image:linear-gradient(90deg,#000 82%,transparent)}
html[dir="rtl"] .tabs.fade-end{-webkit-mask-image:linear-gradient(270deg,#000 82%,transparent);mask-image:linear-gradient(270deg,#000 82%,transparent)}

/* ── cards ─────────────────────────────────────────── */
.card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:16px}
.card.tap{cursor:pointer;transition:border-color .15s,transform .1s}
.card.tap:hover{border-color:var(--jade-border)}
.card.tap:active{transform:scale(.99)}
.card.accent{border-color:var(--jade-border);background:linear-gradient(0deg,var(--jade-dim),var(--jade-dim)),var(--card)}
.card.warn{border-color:rgba(184,134,11,.35);background:var(--warn-bg)}
.card.err{border-color:rgba(179,55,42,.3);background:var(--err-bg)}
.stat{display:flex;flex-direction:column;gap:2px}
.stat .n{font-size:26px;font-weight:600;line-height:1.1;font-variant-numeric:tabular-nums}
.stat .l{font-size:13px;color:var(--ink2)}
.meter{height:8px;border-radius:99px;background:var(--bg3);overflow:hidden}
.meter>i{display:block;height:100%;background:var(--jade);border-radius:99px;transition:width .3s}
.meter.warn>i{background:#c58f00}
.meter.err>i{background:var(--err)}

/* video cards */
.vcard{display:flex;gap:12px;align-items:stretch}
.vcard .thumb{width:112px;flex-shrink:0;aspect-ratio:16/9;border-radius:9px;background:var(--bg3) center/cover no-repeat;position:relative;overflow:hidden}
.vcard .thumb .len{position:absolute;inset-inline-end:4px;bottom:4px;background:rgba(0,0,0,.75);color:#fff;font-size:11px;padding:1px 5px;border-radius:4px}
.vcard .body{min-width:0;flex:1;display:flex;flex-direction:column;gap:4px}
.vcard .t{font-weight:600;font-size:15px;line-height:1.3;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;unicode-bidi:plaintext}
.hero-card .thumb{width:100%;border-radius:12px}
.hero-card .vcard{flex-direction:column}

/* ── chips ─────────────────────────────────────────── */
.chip{display:inline-flex;align-items:center;gap:5px;font-size:12px;font-weight:600;padding:3px 9px;border-radius:99px;background:var(--bg2);color:var(--ink2);white-space:nowrap;line-height:1.5}
.chip.new{background:rgba(48,104,196,.12);color:#2c5fae}
.chip.prog{background:var(--warn-bg);color:var(--warn)}
.chip.done{background:var(--jade-dim);color:var(--jade-ink)}
.chip.late{background:var(--err-bg);color:var(--err)}
.chip.lesson{background:rgba(120,72,160,.12);color:#6a3f93}
.chip.hw{background:var(--bg2);color:var(--ink2)}
[data-theme="dark"] .chip.new{color:#7ea8ef}
[data-theme="dark"] .chip.lesson{color:#c39be6}

/* ── buttons & inputs ──────────────────────────────── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 18px;border-radius:11px;border:1px solid var(--border2);background:var(--bg1);cursor:pointer;font-weight:600;font-size:15px;text-decoration:none;color:var(--ink);transition:background .15s,border-color .15s,opacity .15s;white-space:nowrap;user-select:none;-webkit-tap-highlight-color:transparent}
.btn:hover{border-color:var(--ink3)}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn.primary{background:var(--jade);border-color:var(--jade);color:#fff}
.btn.primary:hover{background:var(--jade-ink)}
.btn.danger{color:var(--err);border-color:rgba(179,55,42,.35)}
.btn.ghost{border-color:transparent;background:transparent}
.btn.small{min-height:36px;padding:0 12px;font-size:14px;border-radius:9px}
.btn.block{width:100%}
.btn .spin{width:16px;height:16px;border:2px solid currentColor;border-right-color:transparent;border-radius:50%;animation:spin .7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
label.f{display:block;font-size:14px;font-weight:600;margin-bottom:6px}
.hint{font-size:13px;color:var(--ink2);margin-top:5px}
input.i,select.i,textarea.i,button.i{max-width:100%;min-width:0;width:100%;min-height:46px;padding:10px 13px;border:1px solid var(--border2);border-radius:11px;background:var(--bg1);font-size:16px;outline:none;transition:border-color .15s,box-shadow .15s}
textarea.i{min-height:110px;resize:vertical;line-height:1.45}
button.i{font:inherit;font-size:16px;color:var(--ink);text-align:start;cursor:pointer}
button.i:hover{border-color:var(--jade-border)}
input.i:focus,select.i:focus,textarea.i:focus,button.i:focus-visible{border-color:var(--jade);box-shadow:0 0 0 3px var(--jade-dim)}
input.i.code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.18em;text-transform:uppercase;font-size:20px;text-align:center}
.field+.field{margin-top:14px}
.check{display:flex;align-items:flex-start;gap:10px;padding:10px 0;cursor:pointer;font-size:15px}
.check input{width:20px;height:20px;accent-color:var(--jade);margin-top:2px;flex-shrink:0}
.seg{display:inline-flex;border:1px solid var(--border2);border-radius:11px;overflow:hidden;background:var(--bg1)}
.seg button{border:0;background:transparent;padding:0 14px;min-height:40px;cursor:pointer;font-weight:600;font-size:14px;color:var(--ink2)}
.seg button.on{background:var(--jade);color:#fff}
.err-msg{color:var(--err);font-size:14px;margin-top:8px}

/* ── tabs ──────────────────────────────────────────── */
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--border);margin:8px 0 16px;overflow-x:auto;scrollbar-width:none}
.tabs::-webkit-scrollbar{display:none}
.tabs button{border:0;background:transparent;padding:12px 14px;font-weight:600;font-size:15px;color:var(--ink2);cursor:pointer;border-bottom:2px solid transparent;white-space:nowrap;min-height:46px}
.tabs button.on{color:var(--ink);border-bottom-color:var(--jade)}
.tabs .count{display:inline-block;min-width:20px;padding:0 6px;border-radius:99px;background:var(--err);color:#fff;font-size:11px;line-height:18px;margin-inline-start:4px}

/* ── lists (responsive tables) ─────────────────────── */
.list{border:1px solid var(--border);border-radius:14px;overflow:hidden;background:var(--card)}
.list .li{display:flex;align-items:center;gap:12px;padding:12px 14px;border-top:1px solid var(--border);min-height:56px}
.list .li:first-child{border-top:0}
.list .li .main{flex:1;min-width:0}
.list .li .name{font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;unicode-bidi:plaintext}
.list .li .sub{font-size:13px;color:var(--ink2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.list .li.tap{cursor:pointer}
.list .li.tap:hover{background:var(--bg2)}
.avatar{width:36px;height:36px;border-radius:50%;background:var(--jade-dim);color:var(--jade-ink);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;flex-shrink:0}
table.t{width:100%;border-collapse:collapse;font-size:14px}
table.t th,table.t td{text-align:start;padding:10px 12px;border-bottom:1px solid var(--border);white-space:nowrap}
table.t th{font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--ink2);font-weight:600}
.tscroll{overflow-x:auto;border:1px solid var(--border);border-radius:14px;background:var(--card)}
.kebab{width:40px;height:40px;border-radius:10px;border:0;background:transparent;cursor:pointer;font-size:20px;color:var(--ink2);flex-shrink:0}
.kebab:hover{background:var(--bg2)}

/* ── empty states / skeleton ───────────────────────── */
.empty{text-align:center;padding:36px 16px;color:var(--ink2)}
.empty .big{font-size:36px;margin-bottom:6px}
.empty h3{color:var(--ink);font-size:17px;margin-bottom:6px}
.sk{background:linear-gradient(90deg,var(--bg2),var(--bg3),var(--bg2));background-size:200% 100%;animation:sk 1.2s infinite;border-radius:12px}
@keyframes sk{to{background-position:-200% 0}}

/* ── bottom sheet / modal ──────────────────────────── */
.scrim{position:fixed;inset:0;background:rgba(0,0,0,.42);z-index:900;display:flex;align-items:flex-end;justify-content:center;animation:fade .15s}
.sheet{background:var(--bg1);width:100%;max-width:560px;max-height:92dvh;overflow:auto;border-radius:18px 18px 0 0;padding:8px 18px calc(18px + env(safe-area-inset-bottom));box-shadow:var(--shadow);animation:up .2s ease-out}
.sheet .grab{width:40px;height:4px;border-radius:9px;background:var(--border2);margin:4px auto 10px}
.sheet .sh-title{font-size:18px;font-weight:600;margin-bottom:12px;display:flex;align-items:center;gap:10px}
.sheet .sh-title .x{margin-inline-start:auto;width:38px;height:38px;border:0;background:var(--bg2);border-radius:50%;cursor:pointer;font-size:18px}
.sheet .sh-actions{display:flex;gap:10px;margin-top:18px;flex-wrap:wrap}
.sheet .sh-actions .btn{flex:1}
.menu-sheet .mi{display:flex;align-items:center;gap:12px;width:100%;min-height:52px;border:0;background:transparent;font-size:16px;text-align:start;cursor:pointer;border-radius:10px;padding:0 10px}
.menu-sheet .mi:hover{background:var(--bg2)}
.menu-sheet .mi.danger{color:var(--err)}
@media(min-width:700px){.scrim{align-items:center}.sheet{border-radius:18px;max-height:86vh}.sheet .grab{display:none}}
@keyframes up{from{transform:translateY(30px);opacity:.6}}
@keyframes fade{from{opacity:0}}

/* ── toast ─────────────────────────────────────────── */
.toasts{position:fixed;left:0;right:0;bottom:calc(16px + env(safe-area-inset-bottom));display:flex;flex-direction:column;align-items:center;gap:8px;z-index:1000;pointer-events:none;padding:0 16px}
.toast{background:var(--ink);color:var(--bg);padding:11px 16px;border-radius:12px;font-size:15px;box-shadow:var(--shadow);max-width:520px;pointer-events:auto;animation:up .2s}
.toast.err{background:var(--err);color:#fff}

/* ── sticky action bar on phones ───────────────────── */
.actionbar{position:fixed;left:0;right:0;bottom:0;padding:10px 16px calc(10px + env(safe-area-inset-bottom));background:var(--bg);border-top:1px solid var(--border);z-index:40;display:flex;gap:10px}
.actionbar .btn{flex:1}
@media(min-width:700px){.actionbar{position:static;border:0;padding:0;margin-top:18px;background:transparent}.actionbar .btn{flex:0 0 auto}}

/* ── language switch ───────────────────────────────── */
.langsw{display:inline-flex;gap:2px;border:1px solid var(--border2);border-radius:10px;padding:2px;background:var(--bg1)}
.langsw button{border:0;background:transparent;border-radius:8px;padding:4px 8px;font-size:13px;font-weight:600;cursor:pointer;color:var(--ink2);min-height:32px}
.langsw button.on{background:var(--bg3);color:var(--ink)}

/* ── login slips (print) ───────────────────────────── */
.slips{display:grid;grid-template-columns:1fr;gap:10px}
.slip{border:1.5px dashed var(--border2);border-radius:12px;padding:12px 14px;background:var(--card);break-inside:avoid}
.slip .sn{font-weight:700;font-size:16px;unicode-bidi:plaintext}
.slip .kv{display:grid;grid-template-columns:auto 1fr;gap:2px 10px;margin-top:6px;font-size:14px}
.slip .kv b{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:15px;letter-spacing:.02em;direction:ltr;text-align:start;unicode-bidi:isolate}
.slip .site{font-size:12px;color:var(--ink2);margin-top:6px;direction:ltr;unicode-bidi:isolate}
@media(min-width:640px){.slips{grid-template-columns:1fr 1fr}}
#print-area{display:none}
@media print{
  body>*:not(#print-area){display:none !important}
  #print-area{display:block !important;padding:0}
  #print-area .slips{grid-template-columns:1fr 1fr;gap:8px}
  #print-area .slip{border-color:#999;background:#fff;color:#000}
  #print-area .slip .site{color:#444}
  #print-area .doc{color:#000;background:#fff}
}
.ltr{direction:ltr;unicode-bidi:isolate}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
.codebox{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:28px;letter-spacing:.2em;font-weight:700;color:var(--jade-ink);direction:ltr;unicode-bidi:isolate}

/* Mixed Arabic / French / English text: each field and title takes the
   direction of what's typed in it, so "Question 1?" doesn't become "?Question 1"
   on an Arabic page, and Latin titles don't get cut at the wrong end. */
input.i:not(.ltr), textarea.i, .ptext, .name, .nm, .tt, #ptitle, .ncard textarea{unicode-bidi:plaintext}
input.i:not(.ltr), textarea.i{text-align:start}

/* Long names (classes, videos, people) must never push a page wider than the screen. */
.chip{max-width:100%;min-width:0;overflow:hidden}
.chip:not(:has(> *)){display:inline-block;text-overflow:ellipsis;vertical-align:middle}
.cls-chips,.row>*,.spread>*{min-width:0}
.card{min-width:0;overflow-wrap:anywhere}
h1,h2,h3{overflow-wrap:anywhere}