@font-face {
  font-family: "Vazirmatn";
  src: url("/static/fonts/Vazirmatn-wght.woff2") format("woff2-variations"),
       url("/static/fonts/Vazirmatn-wght.woff2") format("woff2");
  font-weight: 100 900;
  font-display: swap;
}

:root {
  --bg: #f3f5f4;
  --bg-glow-1: rgba(16, 140, 118, .14);
  --bg-glow-2: rgba(84, 98, 255, .10);
  --surface: rgba(255, 255, 255, .86);
  --surface-solid: #ffffff;
  --surface-2: #f7f9f8;
  --ink: #14211d;
  --ink-2: #3c4a45;
  --muted: #6d7b76;
  --line: rgba(20, 33, 29, .09);
  --accent: #0e8a74;
  --accent-2: #0b6f5e;
  --accent-ink: #ffffff;
  --accent-soft: rgba(14, 138, 116, .10);
  --danger: #c2410c;
  --danger-soft: rgba(194, 65, 12, .09);
  --warn-soft: rgba(217, 119, 6, .10);
  --shadow: 0 1px 2px rgba(16, 24, 22, .04), 0 8px 24px -12px rgba(16, 24, 22, .14);
  --radius: 18px;
  --radius-sm: 12px;
  color-scheme: light;
}
/* Dark: chosen in the header (data-theme="dark"), or "system" and the device is dark. */
:root[data-theme="dark"] {
  --bg: #0d1412;
  --bg-glow-1: rgba(38, 196, 165, .10);
  --bg-glow-2: rgba(110, 120, 255, .08);
  --surface: rgba(22, 31, 28, .82);
  --surface-solid: #161f1c;
  --surface-2: #1b2622;
  --ink: #e7efec;
  --ink-2: #c3d0cb;
  --muted: #8a9a94;
  --line: rgba(231, 239, 236, .08);
  --accent: #2fc4a6;
  --accent-2: #5ad6bd;
  --accent-ink: #062019;
  --accent-soft: rgba(47, 196, 166, .12);
  --danger: #fb8a5a;
  --danger-soft: rgba(251, 138, 90, .10);
  --warn-soft: rgba(245, 158, 11, .12);
  --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 10px 30px -14px rgba(0, 0, 0, .6);
  color-scheme: dark;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0d1412;
    --bg-glow-1: rgba(38, 196, 165, .10);
    --bg-glow-2: rgba(110, 120, 255, .08);
    --surface: rgba(22, 31, 28, .82);
    --surface-solid: #161f1c;
    --surface-2: #1b2622;
    --ink: #e7efec;
    --ink-2: #c3d0cb;
    --muted: #8a9a94;
    --line: rgba(231, 239, 236, .08);
    --accent: #2fc4a6;
    --accent-2: #5ad6bd;
    --accent-ink: #062019;
    --accent-soft: rgba(47, 196, 166, .12);
    --danger: #fb8a5a;
    --danger-soft: rgba(251, 138, 90, .10);
    --warn-soft: rgba(245, 158, 11, .12);
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 10px 30px -14px rgba(0, 0, 0, .6);
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; min-height: 100dvh; color: var(--ink);
  font: 400 15.5px/1.85 "Vazirmatn", Tahoma, system-ui, sans-serif;
  font-feature-settings: "ss01";
  background:
    radial-gradient(60rem 40rem at 100% -10%, var(--bg-glow-1), transparent 60%),
    radial-gradient(50rem 36rem at -10% 10%, var(--bg-glow-2), transparent 60%),
    var(--bg);
  background-attachment: fixed;
}
main { max-width: 920px; margin: 0 auto; padding: 20px 16px 64px; }
h1 { font-size: clamp(1.35rem, 1.1rem + 1.2vw, 1.75rem); font-weight: 800; letter-spacing: -.01em; margin: 6px 0 18px; }
h2 { font-size: 1.08rem; font-weight: 700; margin: 28px 0 12px; }
.card h2 { margin: 0 0 6px; }
a { color: var(--accent); text-underline-offset: 3px; }
code { font-family: ui-monospace, "Cascadia Mono", monospace; font-size: .9em; overflow-wrap: anywhere; }
::selection { background: var(--accent-soft); }

/* Header */
.top {
  position: sticky; top: 0; z-index: 10;
  display: flex; flex-wrap: wrap; align-items: center; gap: 10px 18px;
  padding: 12px max(16px, calc((100% - 920px) / 2 + 16px));
  background: var(--surface); border-bottom: 1px solid var(--line);
  -webkit-backdrop-filter: saturate(160%) blur(14px); backdrop-filter: saturate(160%) blur(14px);
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font-weight: 800; }
.brand .mark {
  width: 32px; height: 32px; border-radius: 10px; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--accent), #3a6cf0); color: #fff; font-size: .8rem; letter-spacing: .02em;
}
.top nav { display: flex; flex-wrap: wrap; gap: 4px; flex: 1; }
.top nav a {
  white-space: nowrap; flex: 0 0 auto;
  padding: 6px 12px; border-radius: 999px; color: var(--ink-2); text-decoration: none; font-weight: 500;
  transition: background-color .2s, color .2s;
}
.top nav a:hover { background: var(--accent-soft); color: var(--accent); }
.top nav a[aria-current="page"] { background: var(--ink); color: var(--surface-solid); }
.logout { margin: 0; }
.who { color: var(--muted); font-size: .88rem; text-decoration: none; }
.who:hover { color: var(--accent); }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }

/* Theme switch and segmented links */
.theme, .seg { display: inline-flex; gap: 2px; padding: 3px; border-radius: 999px; background: var(--surface-2); border: 1px solid var(--line); }
.theme a, .seg a {
  display: grid; place-items: center; min-width: 30px; height: 28px; padding: 0 8px; border-radius: 999px;
  color: var(--muted); text-decoration: none; font-size: .9rem; transition: background-color .2s, color .2s;
}
.theme a:hover, .seg a:hover { color: var(--accent); }
.theme a[aria-current="true"], .seg a[aria-current="true"] { background: var(--surface-solid); color: var(--ink); box-shadow: var(--shadow); }

/* AI master switch */
.card.ai .card-head { margin-bottom: 0; }
.card.ai h2 { display: flex; align-items: center; gap: 10px; }
.card.ai .dot { width: 10px; height: 10px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }
.card.ai.off { background: var(--danger-soft); border-color: transparent; }
.card.ai.off .dot { background: var(--danger); box-shadow: 0 0 0 4px var(--danger-soft); }
.card.ai p { margin: 6px 0 0; }

/* Reports */
.lesson { padding: 12px 0; border-top: 1px solid var(--line); align-items: center; }
.lesson.new textarea { background: var(--warn-soft); }
.grow { flex: 1 1 220px; }
h3 { font-size: .95rem; margin: 18px 0 4px; }
details.case { padding: 12px 16px; }
details.case summary { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; color: var(--ink); }
details.case[open] summary { margin-bottom: 10px; }
.label { margin: 8px 0 4px; font-size: .8rem; font-weight: 600; color: var(--muted); }
.bubble { margin: 0; padding: 8px 12px; border-radius: 14px; background: var(--surface-2); white-space: pre-wrap; overflow-wrap: anywhere; }
.bubble.us { background: var(--accent-soft); }
button[disabled] { opacity: .5; cursor: not-allowed; }

/* Surfaces */
.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 20px; margin: 0 0 16px; box-shadow: var(--shadow);
  -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
}
.card.narrow { max-width: 440px; margin: 7vh auto 0; }
.card.off { opacity: .55; }
.card.notice { background: var(--warn-soft); border-color: transparent; }
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; margin-bottom: 8px; }
.meta { color: var(--muted); font-size: .85rem; }
.empty {
  text-align: center; padding: 34px 16px; color: var(--muted);
  border: 1.5px dashed var(--line); border-radius: var(--radius);
}

/* Stats */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin-bottom: 20px; }
.stat {
  position: relative; overflow: hidden; padding: 16px 18px; border-radius: var(--radius);
  background: var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow);
  text-decoration: none; color: inherit; transition: transform .25s cubic-bezier(.2, .8, .2, 1);
}
.stat::before { content: ""; position: absolute; inset-inline-start: 0; top: 14px; bottom: 14px; width: 3px; border-radius: 3px; background: var(--accent); }
.stat b { display: block; font-size: 2rem; font-weight: 800; line-height: 1.2; font-variant-numeric: tabular-nums; }
.stat span { color: var(--muted); font-size: .88rem; }
.stat.bad::before { background: var(--danger); }
.stat.bad b { color: var(--danger); }
@media (hover: hover) and (pointer: fine) { .stat:hover { transform: translateY(-2px); } }

/* Forms */
.stack { display: grid; gap: 14px; }
.row { display: flex; flex-wrap: wrap; gap: 10px 12px; align-items: end; }
.row > label { flex: 1 1 200px; }
label { display: grid; gap: 6px; font-size: .92rem; font-weight: 500; color: var(--ink-2); }
input, textarea, button, .button { font: inherit; }
input:not([type=checkbox]):not([type=file]), textarea {
  width: 100%; padding: 10px 12px; border: 1px solid var(--line); border-radius: var(--radius-sm);
  background: var(--surface-2); color: var(--ink); transition: border-color .2s, box-shadow .2s;
}
input:not([type=checkbox]):not([type=file]):focus, textarea:focus {
  outline: none; border-color: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft);
}
input[type=file] { font-size: .88rem; color: var(--muted); }
textarea { resize: vertical; line-height: 1.9; }
[dir=ltr] { text-align: left; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

button, .button {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 9px 16px; border-radius: 999px; border: 1px solid var(--line);
  background: var(--surface-solid); color: var(--ink); font-weight: 600; cursor: pointer; text-decoration: none;
  transition: transform .15s ease, background-color .2s, box-shadow .2s;
}
button:active, .button:active { transform: scale(.97); }
button.primary, .button.primary {
  background: linear-gradient(180deg, var(--accent), var(--accent-2)); color: var(--accent-ink); border-color: transparent;
  box-shadow: 0 6px 16px -8px var(--accent);
}
button.danger { color: var(--danger); background: var(--danger-soft); border-color: transparent; }
button.link { border: 0; background: none; color: var(--muted); padding: 4px 6px; font-weight: 500; }
@media (hover: hover) and (pointer: fine) {
  button:hover, .button:hover { transform: translateY(-1px); }
  button.link:hover { color: var(--danger); transform: none; }
}
.block { width: 100%; }

/* Switches (checkbox styled as a toggle) */
.switch { display: flex; align-items: center; justify-content: space-between; gap: 16px;
          padding: 14px 0; border-bottom: 1px solid var(--line); cursor: pointer; font-weight: 500; color: var(--ink); }
.switch:last-of-type { border-bottom: 0; }
.switch small { display: block; color: var(--muted); font-weight: 400; font-size: .84rem; }
.switch input { appearance: none; -webkit-appearance: none; flex: 0 0 auto; position: relative;
  width: 46px; height: 26px; border-radius: 999px; background: var(--line); cursor: pointer;
  transition: background-color .25s; margin: 0; }
.switch input::after { content: ""; position: absolute; top: 3px; inset-inline-start: 3px; width: 20px; height: 20px;
  border-radius: 50%; background: #fff; box-shadow: 0 1px 3px rgba(0,0,0,.25);
  transition: transform .25s cubic-bezier(.2, .8, .2, 1); }
.switch input:checked { background: var(--accent); }
.switch input:checked::after { transform: translateX(-20px); }
[dir=ltr] .switch input:checked::after { transform: translateX(20px); }

/* Permission chips */
.perms { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { display: inline-flex; align-items: center; gap: 8px; padding: 7px 12px; border-radius: 999px;
  border: 1px solid var(--line); background: var(--surface-2); font-size: .88rem; font-weight: 500; cursor: pointer;
  color: var(--ink-2); transition: background-color .2s, border-color .2s, color .2s; }
.chip input { accent-color: var(--accent); margin: 0; }
.chip:has(input:checked) { background: var(--accent-soft); border-color: transparent; color: var(--accent); }

/* Messages */
.flash { display: flex; gap: 8px; align-items: center; background: var(--accent-soft); color: var(--accent);
  padding: 10px 14px; border-radius: var(--radius-sm); font-weight: 600; margin: 0 0 16px; }
.error { background: var(--danger-soft); color: var(--danger); padding: 10px 14px; border-radius: var(--radius-sm); }
.tag { font-size: .74rem; font-weight: 600; padding: 2px 10px; border-radius: 999px; background: var(--surface-2); color: var(--muted); }
.tag.ok { background: var(--accent-soft); color: var(--accent); }
.tag.warn { background: var(--warn-soft); color: #b45309; }
.muted { color: var(--muted); }
.small { font-size: .85rem; }
.center { text-align: center; }
.mt { margin-top: 12px; }

/* Chat */
.chat { display: grid; gap: 8px; margin: 12px 0; max-height: 380px; overflow-y: auto;
  padding: 14px; background: var(--surface-2); border-radius: var(--radius-sm); overscroll-behavior: contain; }
.chat p { margin: 0; padding: 8px 12px 6px; border-radius: 16px; max-width: 82%; white-space: pre-wrap; overflow-wrap: anywhere; }
.chat .them { justify-self: start; background: var(--surface-solid); border: 1px solid var(--line); border-start-start-radius: 4px; }
.chat .us { justify-self: end; background: var(--accent-soft); border-start-end-radius: 4px; }
.chat small { display: block; color: var(--muted); font-size: .72rem; margin-top: 2px; }
.reason { display: flex; gap: 8px; background: var(--warn-soft); padding: 8px 12px; border-radius: var(--radius-sm); font-size: .9rem; }
details summary { cursor: pointer; color: var(--muted); font-weight: 500; }
pre.summary { white-space: pre-wrap; font: inherit; margin: 8px 0 0; color: var(--ink-2); }
.preview { display: block; max-width: 100%; max-height: 340px; border-radius: var(--radius-sm); }

/* Login / invite */
.auth-brand { text-align: center; margin-bottom: 10px; }
.auth-brand .mark { width: 52px; height: 52px; border-radius: 16px; margin: 0 auto 10px; font-size: 1.1rem; }
.totp { display: grid; justify-items: center; gap: 6px; padding: 14px; background: var(--surface-2); border-radius: var(--radius-sm); }
.totp img { background: #fff; padding: 8px; border-radius: 12px; }
.copy { display: block; padding: 10px 12px; background: var(--surface-solid); border-radius: 10px; user-select: all; direction: ltr; text-align: left; }
.steps { margin: 0; padding-inline-start: 1.2em; color: var(--ink-2); }

/* Tables */
.table-wrap { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--line); background: var(--surface); box-shadow: var(--shadow); margin-bottom: 16px; }
table { width: 100%; border-collapse: collapse; font-size: .88rem; }
th { text-align: start; font-weight: 600; color: var(--muted); background: var(--surface-2); }
th, td { padding: 10px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
tr:last-child td { border-bottom: 0; }
td.clip { max-width: 340px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.nowrap { white-space: nowrap; }

/* Entrance motion: transform/opacity only, off for reduced motion */
@media (prefers-reduced-motion: no-preference) {
  .rise { animation: rise .5s cubic-bezier(.2, .8, .2, 1) both; }
  .rise:nth-child(2) { animation-delay: .04s; } .rise:nth-child(3) { animation-delay: .08s; }
  .rise:nth-child(4) { animation-delay: .12s; } .rise:nth-child(5) { animation-delay: .16s; }
  .rise:nth-child(n+6) { animation-delay: .2s; }
  @keyframes rise { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
}

@media (max-width: 560px) {
  main { padding: 14px 12px 56px; }
  .card { padding: 16px; }
  .top nav { order: 3; flex-basis: 100%; overflow-x: auto; flex-wrap: nowrap; scrollbar-width: none; }
  .brand { flex: 1; }
  .who { font-size: .8rem; }
  .row button { flex: 1 1 auto; }
}