/* Vazirmatn variable font (all weights in one file), served by server.js from node_modules/vazirmatn */
@font-face {
  font-family: Vazirmatn;
  src: url("/fonts/Vazirmatn%5Bwght%5D.woff2") format("woff2-variations"),
       url("/fonts/Vazirmatn%5Bwght%5D.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

:root {
  --bg: #f4f6f9;
  --surface: #ffffff;
  --text: #1d2330;
  --muted: #6b7385;
  --border: #dde2ea;
  --accent: #2f6fed;
  --accent-text: #ffffff;
  --hover: #eef3ff;
  --selected: #dbe6ff;
  --danger: #d33a3a;
  --shadow: 0 1px 3px rgb(0 0 0 / 0.08);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14171d;
    --surface: #1d2129;
    --text: #e6e9ef;
    --muted: #97a0b2;
    --border: #2f3542;
    --accent: #5b8cff;
    --hover: #252b37;
    --selected: #2a3654;
    --danger: #ff6b6b;
    --shadow: none;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font: 14px/1.6 Vazirmatn, "Segoe UI", Tahoma, system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
}
.hidden { display: none !important; }
.muted { color: var(--muted); }
.error { color: var(--danger); min-height: 1.2em; margin: 0; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: var(--shadow);
}

/* buttons */
.btn {
  font: inherit;
  padding: 6px 12px;
  border-radius: 7px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  white-space: nowrap;
}
.btn:hover:not(:disabled) { background: var(--hover); }
.btn:disabled { opacity: 0.45; cursor: default; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
.btn.primary:hover:not(:disabled) { filter: brightness(1.08); background: var(--accent); }
.btn.danger { color: var(--danger); }
.btn.small { padding: 3px 9px; font-size: 13px; }
.btn:focus-visible, input:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }

input:not([type=checkbox]) {
  font: inherit;
  width: 100%;
  padding: 8px 10px;
  border-radius: 7px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
}

/* login */
.login { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login-card { width: 100%; max-width: 360px; padding: 28px; display: grid; gap: 14px; }
.login-card h1 { margin: 0; font-size: 22px; }
.login-card p { margin: 0; }
.login-card label { display: grid; gap: 6px; font-weight: 500; }

/* layout */
.topbar {
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
  padding: 12px 20px; background: var(--surface); border-bottom: 1px solid var(--border);
}
.brand { font-weight: 600; font-size: 16px; }
.brand .muted { font-weight: 400; font-size: 13px; margin-inline-start: 6px; }
.toolbar { display: flex; flex-wrap: wrap; gap: 6px; padding: 12px 20px 0; align-items: center; }
.sep { width: 1px; height: 24px; background: var(--border); margin: 0 4px; }

.crumbs { padding: 12px 20px 8px; display: flex; flex-wrap: wrap; gap: 2px; align-items: center; }
.crumbs button {
  font: inherit; border: 0; background: none; color: var(--accent); cursor: pointer;
  padding: 2px 4px; border-radius: 4px;
}
.crumbs button:hover { background: var(--hover); }
.crumbs .slash { color: var(--muted); }

.listing { margin: 0 20px; position: relative; overflow: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: start; padding: 8px 12px; border-bottom: 1px solid var(--border); }
/* no letter-spacing: it breaks the joined letters of Persian script */
th { font-weight: 600; color: var(--muted); font-size: 12px; }
tbody tr { cursor: default; user-select: none; }
tbody tr:hover { background: var(--hover); }
tbody tr.selected { background: var(--selected); }
tbody tr:last-child td { border-bottom: 0; }
.chk { width: 36px; }
.num { text-align: end; width: 120px; }
.date { width: 190px; }
td.name { word-break: break-all; }
td.name .link { color: var(--text); cursor: pointer; }
td.name .link:hover { color: var(--accent); text-decoration: underline; }
.icon { display: inline-block; width: 18px; text-align: center; margin-inline-end: 8px; }
.empty { padding: 30px; text-align: center; margin: 0; }

.drop-hint {
  position: absolute; inset: 0; display: grid; place-items: center;
  background: color-mix(in srgb, var(--accent) 15%, transparent);
  border: 2px dashed var(--accent); border-radius: 10px;
  font-size: 18px; font-weight: 600; color: var(--accent); pointer-events: none;
}
.status { padding: 10px 20px 24px; font-size: 13px; }

/* dialog */
dialog { padding: 22px; width: min(440px, calc(100vw - 32px)); color: var(--text); }
dialog::backdrop { background: rgb(0 0 0 / 0.4); }
dialog h2 { margin: 0 0 10px; font-size: 18px; }
dialog p { margin: 0 0 12px; word-break: break-word; }
.dialog-actions { display: flex; flex-direction: row-reverse; justify-content: flex-start; gap: 8px; margin-top: 16px; }
.picker { border: 1px solid var(--border); border-radius: 8px; }
.picker .crumbs { padding: 8px; border-bottom: 1px solid var(--border); }
.picker ul { list-style: none; margin: 0; padding: 4px; max-height: 260px; overflow: auto; }
.picker li button {
  font: inherit; width: 100%; text-align: start; border: 0; background: none; color: var(--text);
  padding: 6px 8px; border-radius: 6px; cursor: pointer;
}
.picker li button:hover { background: var(--hover); }
.picker li.none { padding: 8px; color: var(--muted); }

/* progress + toasts */
.progress-box { position: fixed; inset-inline-end: 16px; bottom: 16px; padding: 14px 16px; width: 300px; display: grid; gap: 8px; }
progress { width: 100%; accent-color: var(--accent); }
.toasts { position: fixed; top: 16px; inset-inline-end: 16px; display: grid; gap: 8px; z-index: 10; max-width: calc(100vw - 32px); }
.toast {
  padding: 10px 14px; border-radius: 8px; background: var(--text); color: var(--bg);
  box-shadow: 0 4px 12px rgb(0 0 0 / 0.2); max-width: 380px;
}
.toast.err { background: var(--danger); color: #fff; }

@media (max-width: 640px) {
  .topbar, .toolbar, .crumbs, .status { padding-left: 16px; padding-right: 16px; }
  .listing { margin: 0 16px; }
  .date { display: none; }
  .sep { display: none; }
}