:root{
  --paper:#eef2f6; --surface:#ffffff; --surface-2:#f6f9fc;
  --ink:#132132; --muted:#61748a; --faint:#8d9cad;
  --line:#dbe3ec; --line-soft:#e9eef4;
  --brand:#1e4d78; --brand-ink:#12344f; --brand-soft:#e3edf6;
  --accent:#a8690c; --accent-soft:#faf0dd;
  --ok:#2a7a4f; --ok-soft:#e2f2e9;
  --bad:#ad3a30; --bad-soft:#fae8e6;
  --warn:#a8690c; --warn-soft:#faf0dd;
  --slate:#5c6f85; --slate-soft:#e7ecf2;
  --shadow:0 1px 2px rgba(19,33,50,.06), 0 8px 24px -12px rgba(19,33,50,.18);
  --r:10px;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --paper:#0d141c; --surface:#161f2a; --surface-2:#1b2632;
    --ink:#e5edf6; --muted:#9aabbd; --faint:#76889b;
    --line:#2a3746; --line-soft:#222e3c;
    --brand:#7db4e2; --brand-ink:#a9cef0; --brand-soft:#1b2f42;
    --accent:#dda23f; --accent-soft:#33280f;
    --ok:#57b483; --ok-soft:#14301f;
    --bad:#e0776c; --bad-soft:#361a17;
    --warn:#dda23f; --warn-soft:#33280f;
    --slate:#9aabbd; --slate-soft:#232f3d;
    --shadow:0 1px 2px rgba(0,0,0,.4), 0 8px 24px -12px rgba(0,0,0,.7);
  }
}
:root[data-theme="dark"]{
  --paper:#0d141c; --surface:#161f2a; --surface-2:#1b2632;
  --ink:#e5edf6; --muted:#9aabbd; --faint:#76889b;
  --line:#2a3746; --line-soft:#222e3c;
  --brand:#7db4e2; --brand-ink:#a9cef0; --brand-soft:#1b2f42;
  --accent:#dda23f; --accent-soft:#33280f;
  --ok:#57b483; --ok-soft:#14301f;
  --bad:#e0776c; --bad-soft:#361a17;
  --warn:#dda23f; --warn-soft:#33280f;
  --slate:#9aabbd; --slate-soft:#232f3d;
  --shadow:0 1px 2px rgba(0,0,0,.4), 0 8px 24px -12px rgba(0,0,0,.7);
}

*{box-sizing:border-box}
body{
  margin:0; background:var(--paper); color:var(--ink);
  font-family:"Vazirmatn","Segoe UI",system-ui,sans-serif;
  font-size:14.5px; line-height:1.75; -webkit-font-smoothing:antialiased;
}
#app{direction:rtl}
h1,h2,h3,h4{margin:0; font-weight:700; text-wrap:balance; line-height:1.4}
button,input,select,textarea{font:inherit; color:inherit}
button{cursor:pointer}
a{color:var(--brand)}
:focus-visible{outline:2px solid var(--brand); outline-offset:2px; border-radius:4px}
@media (prefers-reduced-motion: reduce){*{animation:none!important; transition:none!important}}

/* ---------- shell ---------- */
.shell{max-width:1180px; margin:0 auto; padding-inline:16px; padding-block:0 48px}
.topbar{
  position:sticky; top:0; z-index:40; background:var(--surface);
  border-bottom:1px solid var(--line);
}
.topbar-in{max-width:1180px; margin:0 auto; padding:12px 16px; display:flex; align-items:center; gap:14px; flex-wrap:wrap}
.mark{
  width:38px; height:38px; border-radius:9px; flex:none;
  background:var(--brand); color:#fff; display:grid; place-items:center;
  font-family:"Noto Naskh Arabic",serif; font-size:19px; font-weight:700; padding-bottom:3px;
}
.brandtext{display:flex; flex-direction:column; min-width:0; flex:1}
.brandtext .t{font-family:"Noto Naskh Arabic","Vazirmatn",serif; font-size:18px; font-weight:700; line-height:1.35}
.brandtext .s{font-size:11.5px; color:var(--muted); letter-spacing:.02em}
.topacts{display:flex; align-items:center; gap:8px; flex-wrap:wrap}

.chip{
  display:inline-flex; align-items:center; gap:6px; padding:4px 10px; border-radius:999px;
  font-size:11.5px; font-weight:600; border:1px solid transparent; white-space:nowrap;
}
.chip.brand{background:var(--brand-soft); color:var(--brand-ink); border-color:color-mix(in srgb,var(--brand) 25%,transparent)}
.chip.ok{background:var(--ok-soft); color:var(--ok)}
.chip.bad{background:var(--bad-soft); color:var(--bad)}
.chip.warn{background:var(--warn-soft); color:var(--warn)}
.chip.slate{background:var(--slate-soft); color:var(--slate)}

.btn{
  border:1px solid var(--line); background:var(--surface); color:var(--ink);
  padding:7px 13px; border-radius:8px; font-size:13px; font-weight:600;
  display:inline-flex; align-items:center; gap:6px; transition:background .14s, border-color .14s;
}
.btn:hover{background:var(--surface-2); border-color:var(--brand)}
.btn.primary{background:var(--brand); border-color:var(--brand); color:#fff}
.btn.primary:hover{background:var(--brand-ink); border-color:var(--brand-ink)}
.btn.ghost{border-color:transparent; background:transparent; color:var(--muted)}
.btn.ghost:hover{background:var(--surface-2); color:var(--ink)}
.btn.sm{padding:4px 9px; font-size:12px; border-radius:7px}
.btn.danger{color:var(--bad); border-color:color-mix(in srgb,var(--bad) 35%,transparent)}
.btn.danger:hover{background:var(--bad-soft); border-color:var(--bad)}
.btn:disabled{opacity:.45; cursor:not-allowed}

/* ---------- layout ---------- */
.layout{display:grid; grid-template-columns:196px 1fr; gap:26px; margin-top:22px; align-items:start}
.nav{position:sticky; top:78px; display:flex; flex-direction:column; gap:2px}
.navbtn{
  display:flex; align-items:center; gap:9px; width:100%; text-align:right;
  padding:8px 11px; border-radius:8px; border:1px solid transparent; background:transparent;
  font-size:13.5px; font-weight:600; color:var(--muted);
}
.navbtn:hover{background:var(--surface); color:var(--ink)}
.navbtn[aria-current="true"]{background:var(--surface); color:var(--brand-ink); border-color:var(--line); box-shadow:var(--shadow)}
.navbtn .ic{width:17px; text-align:center; opacity:.85; font-size:13px}
.navbtn .ct{margin-inline-start:auto; font-size:11px; color:var(--faint); font-weight:500}
.navsep{height:1px; background:var(--line); margin:8px 4px}

@media (max-width:880px){
  .layout{grid-template-columns:1fr; gap:16px}
  .nav{position:static; flex-direction:row; overflow-x:auto; gap:6px; padding-bottom:4px; scrollbar-width:thin}
  .navbtn{width:auto; white-space:nowrap; background:var(--surface); border-color:var(--line)}
  .navbtn .ct{display:none}
  .navsep{display:none}
}

/* ---------- blocks ---------- */
.eyebrow{
  font-family:"Noto Naskh Arabic","Vazirmatn",serif; font-size:11.5px; letter-spacing:.08em;
  color:var(--faint); font-weight:700; margin-bottom:3px;
}
.viewhead{display:flex; align-items:flex-end; gap:14px; flex-wrap:wrap; margin-bottom:16px}
.viewhead h2{font-size:21px}
.viewhead .sub{font-size:12.5px; color:var(--muted)}
.viewhead .acts{margin-inline-start:auto; display:flex; gap:8px; flex-wrap:wrap}

.panel{background:var(--surface); border:1px solid var(--line); border-radius:var(--r); box-shadow:var(--shadow)}
.panel + .panel{margin-top:16px}
.panel-h{padding:13px 16px; border-bottom:1px solid var(--line-soft); display:flex; align-items:center; gap:10px; flex-wrap:wrap}
.panel-h h3{font-size:14.5px}
.panel-h .acts{margin-inline-start:auto; display:flex; gap:7px; flex-wrap:wrap}
.panel-b{padding:16px}
.panel-b.flush{padding:0}

.tiles{display:grid; grid-template-columns:repeat(auto-fit,minmax(150px,1fr)); gap:12px}
.tile{background:var(--surface); border:1px solid var(--line); border-radius:var(--r); padding:13px 15px}
.tile .k{font-size:11.5px; color:var(--muted); font-weight:600}
.tile .v{font-size:26px; font-weight:700; line-height:1.25; letter-spacing:-.01em}
.tile .v small{font-size:13px; font-weight:600; color:var(--faint)}
.tile .m{font-size:11.5px; color:var(--faint)}
.tile.alert{border-color:color-mix(in srgb,var(--bad) 40%,transparent); background:var(--bad-soft)}
.tile.alert .v,.tile.alert .k{color:var(--bad)}

.tablewrap{overflow-x:auto}
table{border-collapse:collapse; width:100%; font-size:13.5px}
th,td{padding:8px 12px; text-align:right; border-bottom:1px solid var(--line-soft); vertical-align:middle}
thead th{
  font-size:11.5px; color:var(--muted); font-weight:700; background:var(--surface-2);
  position:sticky; top:0; white-space:nowrap; border-bottom:1px solid var(--line);
}
tbody tr:hover{background:var(--surface-2)}
tbody tr:last-child td{border-bottom:none}
td.num,th.num{text-align:center; font-variant-numeric:tabular-nums}
.rowname{font-weight:600}
.rowsub{font-size:11.5px; color:var(--faint)}

.field{display:flex; flex-direction:column; gap:4px}
.field label{font-size:11.5px; font-weight:600; color:var(--muted)}
.inp,select.inp,textarea.inp{
  border:1px solid var(--line); background:var(--surface); border-radius:8px;
  padding:7px 10px; font-size:13.5px; width:100%; min-width:0;
}
.inp:focus{border-color:var(--brand); outline:none; box-shadow:0 0 0 3px var(--brand-soft)}
textarea.inp{resize:vertical; min-height:70px; line-height:1.7}
.grid2{display:grid; grid-template-columns:repeat(auto-fit,minmax(170px,1fr)); gap:12px}
.scoreinp{width:64px; text-align:center; padding:5px 6px; font-variant-numeric:tabular-nums}

.empty{padding:34px 18px; text-align:center; color:var(--muted); font-size:13.5px}
.empty .big{font-size:15px; color:var(--ink); font-weight:600; margin-bottom:4px}

.note{
  font-size:12.5px; color:var(--muted); background:var(--surface-2);
  border:1px solid var(--line-soft); border-inline-start:3px solid var(--brand);
  border-radius:8px; padding:10px 13px; line-height:1.8;
}
.note.warn{border-inline-start-color:var(--warn); background:var(--warn-soft); color:var(--ink)}

/* attendance */
.att-grid{display:grid; grid-template-columns:repeat(auto-fill,minmax(255px,1fr)); gap:10px}
.att-row{
  display:flex; align-items:center; gap:10px; padding:9px 12px;
  border:1px solid var(--line); border-radius:9px; background:var(--surface-2);
}
.att-row .nm{flex:1; min-width:0; font-weight:600; font-size:13.5px; overflow:hidden; text-overflow:ellipsis; white-space:nowrap}
.segs{display:flex; gap:3px; flex:none}
.seg{
  width:31px; height:28px; border-radius:7px; border:1px solid var(--line);
  background:var(--surface); font-size:12px; font-weight:700; color:var(--muted);
  display:grid; place-items:center;
}
.seg[aria-pressed="true"]{color:#fff; border-color:transparent}
.seg.p[aria-pressed="true"]{background:var(--ok)}
.seg.a[aria-pressed="true"]{background:var(--bad)}
.seg.l[aria-pressed="true"]{background:var(--warn)}
.seg.e[aria-pressed="true"]{background:var(--slate)}

.sess-strip{display:flex; gap:7px; overflow-x:auto; padding:4px 0 8px}
.sess-btn{
  flex:none; border:1px solid var(--line); background:var(--surface); border-radius:9px;
  padding:7px 11px; text-align:center; min-width:88px; line-height:1.4;
}
.sess-btn .n{font-size:11px; color:var(--faint); font-weight:600}
.sess-btn .d{font-size:12.5px; font-weight:700}
.sess-btn[aria-current="true"]{border-color:var(--brand); background:var(--brand-soft); color:var(--brand-ink)}

.dot{width:22px; height:22px; border-radius:6px; display:inline-grid; place-items:center; font-size:11px; font-weight:700}
.dot.p{background:var(--ok-soft); color:var(--ok)}
.dot.a{background:var(--bad-soft); color:var(--bad)}
.dot.l{background:var(--warn-soft); color:var(--warn)}
.dot.e{background:var(--slate-soft); color:var(--slate)}
.dot.n{background:var(--line-soft); color:var(--faint)}

.bar{height:6px; border-radius:99px; background:var(--line-soft); overflow:hidden; min-width:58px}
.bar i{display:block; height:100%; background:var(--brand)}
.bar.warn i{background:var(--warn)} .bar.bad i{background:var(--bad)} .bar.ok i{background:var(--ok)}

/* modal */
.scrim{position:fixed; inset:0; background:rgba(10,18,28,.55); z-index:90; display:grid; place-items:center; padding:16px; overflow:auto}
.modal{
  position:relative;
  background:var(--surface); border:1px solid var(--line); border-radius:14px;
  width:min(560px,calc(100% - 32px)); max-height:88vh; overflow:auto;
  box-shadow:0 24px 60px -20px rgba(0,0,0,.5);
}
.modal-h{padding:14px 18px; border-bottom:1px solid var(--line-soft); display:flex; align-items:center; gap:10px}
.modal-h h3{font-size:15.5px; flex:1}
.modal-b{padding:18px; display:flex; flex-direction:column; gap:13px}
.modal-f{padding:13px 18px; border-top:1px solid var(--line-soft); display:flex; gap:8px; justify-content:flex-start}

/* date picker */
.dp{
  position:absolute; z-index:120; background:var(--surface); border:1px solid var(--line);
  border-radius:11px; box-shadow:0 18px 44px -16px rgba(0,0,0,.45); padding:11px; width:255px;
}
.dp-h{display:flex; align-items:center; gap:6px; margin-bottom:8px}
.dp-h .ttl{flex:1; text-align:center; font-weight:700; font-size:13.5px}
.dp-h button{border:none; background:var(--surface-2); border-radius:7px; width:27px; height:27px; font-size:14px; color:var(--muted)}
.dp-w{display:grid; grid-template-columns:repeat(7,1fr); gap:2px; margin-bottom:3px}
.dp-w span{text-align:center; font-size:10.5px; color:var(--faint); font-weight:700}
.dp-g{display:grid; grid-template-columns:repeat(7,1fr); gap:2px}
.dp-g button{border:none; background:transparent; border-radius:7px; height:30px; font-size:12.5px; color:var(--ink)}
.dp-g button:hover{background:var(--surface-2)}
.dp-g button.today{box-shadow:inset 0 0 0 1px var(--brand); color:var(--brand-ink)}
.dp-g button.sel{background:var(--brand); color:#fff; font-weight:700}
.dp-g i{display:block}

/* toast */
.toast{
  position:fixed; bottom:18px; inset-inline-start:18px; z-index:200;
  background:var(--ink); color:var(--paper); padding:9px 15px; border-radius:9px;
  font-size:13px; font-weight:600; box-shadow:0 10px 30px -10px rgba(0,0,0,.6);
}

.gate{max-width:430px; margin:56px auto; }
.pill-list{display:flex; flex-direction:column; gap:7px}
.hidden{display:none!important}
.muted{color:var(--muted)}
.tiny{font-size:11.5px}
.stack{display:flex; flex-direction:column; gap:12px}
.row{display:flex; gap:9px; align-items:center; flex-wrap:wrap}
.spread{display:flex; gap:9px; align-items:center; justify-content:space-between; flex-wrap:wrap}
.sw{display:flex; align-items:center; gap:8px; font-size:13px; font-weight:600}
.sw input{width:16px; height:16px; accent-color:var(--brand)}
/* ---------- آکاردئون تکالیف ---------- */
.acc{overflow:hidden}
.acc + .acc{margin-top:10px}
.acc-h{
  display:flex; align-items:center; gap:10px; width:100%; text-align:right;
  background:transparent; border:0; padding:12px 16px; color:var(--ink);
  font:inherit; font-weight:600; flex-wrap:wrap;
}
.acc-h:hover{background:var(--surface-2)}
.acc-h .caret{
  flex:none; font-size:12px; color:var(--faint);
  transition:transform .16s ease; display:inline-block;
}
.acc.open .acc-h .caret{transform:rotate(180deg)}
.acc.open .acc-h{border-bottom:1px solid var(--line-soft); background:var(--surface-2)}
.acc-t{font-size:14.5px; min-width:0; overflow:hidden; text-overflow:ellipsis}
.acc-m{margin-inline-start:auto; display:flex; gap:6px; align-items:center; flex-wrap:wrap}
@media (max-width:640px){
  .acc-m{margin-inline-start:0; width:100%}
}

/* ---------- نوار اعلان دانشجو ---------- */
.notif{
  border:1px solid color-mix(in srgb,var(--brand) 40%,transparent);
  background:var(--brand-soft); border-radius:var(--r); margin-bottom:16px; overflow:hidden;
}
.notif-h{
  display:flex; align-items:center; gap:10px; width:100%; text-align:right;
  background:transparent; border:0; padding:11px 15px; color:var(--brand-ink);
  font:inherit; font-weight:700; font-size:13.5px;
}
.notif-h:hover{background:color-mix(in srgb,var(--brand) 12%,transparent)}
.notif-h .caret{margin-inline-start:auto; font-size:12px; transition:transform .16s ease}
.notif.open .notif-h .caret{transform:rotate(180deg)}
.notif-dot{
  width:8px; height:8px; border-radius:99px; background:var(--brand); flex:none;
  box-shadow:0 0 0 0 color-mix(in srgb,var(--brand) 60%,transparent);
  animation:pulse 2.4s ease-out infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 color-mix(in srgb,var(--brand) 55%,transparent)}
  70%{box-shadow:0 0 0 7px transparent}
  100%{box-shadow:0 0 0 0 transparent}
}
@media (prefers-reduced-motion: reduce){ .notif-dot{animation:none} }
.notif-b{
  border-top:1px solid color-mix(in srgb,var(--brand) 25%,transparent);
  background:var(--surface); padding:12px 15px; display:flex; flex-direction:column; gap:8px;
}
.notif-row{display:flex; align-items:center; gap:10px; flex-wrap:wrap}
.notif-row .nm{font-weight:600; font-size:13.5px; flex:1; min-width:120px}
.notif-f{display:flex; justify-content:flex-start; padding-top:2px}

.note.ok-note{border-inline-start-color:var(--ok); background:var(--ok-soft); color:var(--ink)}
.navbtn .ct .badge, .navbtn .ct b.badge{
  background:var(--brand); color:#fff; border-radius:999px;
  padding:1px 7px; font-size:10.5px; font-weight:700;
}