:root {
  --bg: #f4f5f2;
  --panel: #ffffff;
  --ink: #1f2933;
  --muted: #66707a;
  --line: #dfe3e0;
  --accent: #2563a8;
  --accent-ink: #ffffff;
  --top: #233040;
  --good: #1f8a5b;
  --bad: #c0392b;
  --warn: #b7791f;
  --soft: #eef3f8;
  --radius: 10px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #15191e;
    --panel: #1e242b;
    --ink: #e6e9ec;
    --muted: #9aa4ad;
    --line: #333c45;
    --accent: #5b9be0;
    --accent-ink: #0d1520;
    --top: #0f141a;
    --good: #4cc38a;
    --bad: #ef6b5b;
    --warn: #e0a64a;
    --soft: #243040;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: Heebo, Arial, sans-serif; background: var(--bg); color: var(--ink); font-size: 15px; line-height: 1.5; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 22px; margin: 4px 0 14px; }
h2 { font-size: 17px; margin: 0 0 10px; }
h3 { font-size: 15px; margin: 0 0 6px; }

/* ---- כותרת עליונה ---- */
header.top { background: var(--top); color: #fff; display: flex; align-items: center; gap: 16px; padding: 8px 16px; flex-wrap: wrap; position: sticky; top: 0; z-index: 10; }
header.top a { color: #dfe7f0; }
.brand { display: flex; align-items: center; gap: 8px; font-weight: 700; color: #fff !important; white-space: nowrap; }
header nav { display: flex; gap: 2px; flex-wrap: wrap; flex: 1; }
header nav a { padding: 6px 10px; border-radius: 6px; }
header nav a.on, header nav a:hover { background: rgba(255,255,255,.14); text-decoration: none; }
.who { font-size: 13px; color: #b9c4cf; white-space: nowrap; }
.menu-btn { display: none; }

main { max-width: 1200px; margin: 0 auto; padding: 16px; }

/* ---- רכיבים ---- */
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; margin-bottom: 14px; }
.grid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.grid > .panel { margin-bottom: 0; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.ltr { direction: ltr; unicode-bidi: embed; text-align: right; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.spacer { flex: 1; }
.msg { padding: 10px 14px; border-radius: 8px; margin-bottom: 12px; }
.msg.ok { background: color-mix(in srgb, var(--good) 14%, transparent); color: var(--good); }
.msg.err { background: color-mix(in srgb, var(--bad) 14%, transparent); color: var(--bad); }

button, .btn { font: inherit; border: 1px solid var(--line); background: var(--panel); color: var(--ink); padding: 6px 12px; border-radius: 7px; cursor: pointer; display: inline-block; }
button:hover, .btn:hover { border-color: var(--accent); text-decoration: none; }
button.primary, .btn.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
button.danger { color: var(--bad); }
button.link { border: 0; background: none; color: var(--accent); padding: 0; }
form.inline { display: inline; }

input, select, textarea { font: inherit; color: var(--ink); background: var(--panel); border: 1px solid var(--line); border-radius: 7px; padding: 6px 8px; max-width: 100%; }
textarea { width: 100%; min-height: 80px; resize: vertical; }
label { display: block; margin-bottom: 10px; font-size: 14px; }
label > input:not([type=checkbox]), label > select, label > textarea { display: block; width: 100%; margin-top: 3px; }
label.check { display: flex; gap: 6px; align-items: center; }
.form-grid { display: grid; gap: 0 14px; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); }
.form-grid .wide { grid-column: 1 / -1; }
fieldset { border: 1px solid var(--line); border-radius: var(--radius); margin: 0 0 14px; padding: 10px 14px; }
legend { font-weight: 700; padding: 0 6px; }

table.list { width: 100%; border-collapse: collapse; }
table.list th { text-align: right; font-weight: 500; color: var(--muted); font-size: 13px; border-bottom: 1px solid var(--line); padding: 6px 8px; }
table.list td { border-bottom: 1px solid var(--line); padding: 7px 8px; vertical-align: top; }
table.list tr:hover td { background: var(--soft); }
.table-wrap { overflow-x: auto; }

.chip { display: inline-block; font-size: 12px; padding: 1px 8px; border-radius: 20px; background: color-mix(in srgb, var(--c, #6b7280) 16%, transparent); color: var(--c, var(--muted)); border: 1px solid color-mix(in srgb, var(--c, #6b7280) 35%, transparent); white-space: nowrap; }
.tag { display: inline-block; font-size: 12px; padding: 0 7px; border-radius: 5px; background: var(--soft); color: var(--muted); margin: 1px 0; }
.tag.past { text-decoration: line-through; opacity: .7; }
.badge { display: inline-block; min-width: 20px; text-align: center; font-size: 12px; padding: 0 6px; border-radius: 10px; background: var(--accent); color: var(--accent-ink); }
.status-open { color: var(--good); }
.status-closed { color: var(--muted); }
.overdue { color: var(--bad); font-weight: 500; }

/* ---- תלמיד ---- */
.kv { display: grid; grid-template-columns: max-content 1fr; gap: 3px 12px; font-size: 14px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; }
.thread { border: 1px solid var(--line); border-radius: var(--radius); margin-bottom: 12px; background: var(--panel); }
.thread > .head { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; padding: 10px 14px; border-bottom: 1px solid var(--line); }
.thread > .head h3 { margin: 0; }
.thread.closed { opacity: .75; }
.timeline { list-style: none; margin: 0; padding: 6px 14px 10px; }
.timeline li { position: relative; padding: 8px 18px 8px 0; border-right: 2px solid var(--line); }
.timeline li::before { content: ''; position: absolute; right: -6px; top: 14px; width: 10px; height: 10px; border-radius: 50%; background: var(--c, var(--accent)); }
.timeline .meta { font-size: 13px; color: var(--muted); }
.timeline .body { white-space: normal; }
.add-entry { padding: 0 14px 12px; }
details > summary { cursor: pointer; color: var(--accent); }
details[open] > summary { margin-bottom: 8px; }
.tabs { display: flex; gap: 4px; flex-wrap: wrap; margin-bottom: 12px; }
.tabs a { padding: 5px 12px; border-radius: 20px; border: 1px solid var(--line); background: var(--panel); color: var(--ink); }
.tabs a.on { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.family-note { border-right: 4px solid var(--warn); }
.feed .item { padding: 8px 0; border-bottom: 1px solid var(--line); }
.feed .item:last-child { border-bottom: 0; }
.stat { font-size: 26px; font-weight: 700; }

.login-box { max-width: 380px; margin: 40px auto; }
.or { text-align: center; color: var(--muted); margin: 10px 0; }
.google-btn { display: block; text-align: center; }

/* ---- טלפון ---- */
@media (max-width: 760px) {
  header.top { gap: 8px; }
  .menu-btn { display: inline-block; background: transparent; color: #fff; border-color: rgba(255,255,255,.3); margin-inline-start: auto; }
  header nav, .who { display: none; width: 100%; }
  body.menu-open header nav { display: flex; flex-direction: column; }
  body.menu-open .who { display: block; padding: 6px 10px; }
  main { padding: 12px 16px; }
  table.mcards, table.mcards tbody, table.mcards tr, table.mcards td { display: block; width: 100%; }
  table.mcards tr:first-child:has(th), table.mcards thead { display: none; }
  table.mcards tr { border: 1px solid var(--line); border-radius: var(--radius); margin-bottom: 8px; padding: 6px 10px; background: var(--panel); }
  table.mcards td { border: 0; padding: 2px 0; }
  table.mcards td[data-label]:not([data-label=""])::before { content: attr(data-label) ': '; color: var(--muted); font-size: 13px; }
  .grid { grid-template-columns: 1fr; }
}
@media print {
  header.top, .no-print, .add-entry, details { display: none !important; }
  body { background: #fff; }
  .panel, .thread { border-color: #ccc; break-inside: avoid; }
}

/* ---- שלב ב: מפת חדרים, יומן ---- */
.print-only { display: none; }
table.roommap { font-size: 13px; }
table.roommap th, table.roommap td { text-align: center; border: 1px solid var(--line); padding: 3px 5px; min-width: 70px; }
table.roommap td.busy { background: color-mix(in srgb, var(--accent) 12%, transparent); }
table.roommap td.clash { background: color-mix(in srgb, var(--bad) 22%, transparent); }
table.roommap a { color: var(--ink); }
.session-form textarea { min-height: 50px; }
@media print {
  .print-only { display: block; }
  table.roommap { font-size: 10px; }
}