/* ==========================================================
   نظام الجدول المدرسي — التنسيقات
   ========================================================== */

:root {
  --bg:        #eef4f8;
  --surface:   #ffffff;
  --ink:       #223140;
  --muted:     #6b7f92;
  --line:      #d8e3ec;
  --brand:     #2f6d9e;
  --brand-dk:  #24547a;
  --accent:    #d4a531;
  --green:     #3f7d54;
  --radius:    16px;
  --shadow:    0 6px 18px rgba(24, 58, 86, .10);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { -webkit-text-size-adjust: 100%; }

body {
  font-family: "Cairo", "Segoe UI", Tahoma, sans-serif;
  background: linear-gradient(180deg, #dceaf4 0%, #eef4f8 220px, #eef4f8 100%);
  color: var(--ink);
  min-height: 100vh;
  line-height: 1.6;
}

/* ===== الرأس ===== */
.site-header {
  background: linear-gradient(160deg, var(--brand), var(--brand-dk));
  color: #fff;
  padding: 18px 16px 20px;
  box-shadow: 0 4px 16px rgba(24, 58, 86, .22);
}
.header-inner {
  max-width: 1180px; margin: 0 auto;
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
}
.header-logo { font-size: 2.1rem; line-height: 1; }
.header-text h1 { font-size: 1.4rem; font-weight: 800; }
.header-text p { font-size: .9rem; opacity: .88; font-weight: 600; }
.header-today {
  margin-inline-start: auto;
  background: rgba(255, 255, 255, .16);
  border: 1px solid rgba(255, 255, 255, .3);
  border-radius: 12px; padding: 7px 14px;
  font-size: .88rem; font-weight: 700; white-space: nowrap;
}
.back-link {
  display: inline-block; margin-top: 4px;
  color: #fff; opacity: .85; text-decoration: none;
  font-size: .82rem; font-weight: 700;
}
.back-link:hover { opacity: 1; text-decoration: underline; }

/* ===== الحاوية ===== */
.container { max-width: 1180px; margin: 0 auto; padding: 20px 16px 48px; }

/* ===== التبويبات ===== */
.tabs {
  display: flex; gap: 8px; flex-wrap: wrap;
  background: var(--surface); padding: 8px;
  border-radius: var(--radius); box-shadow: var(--shadow);
  margin-bottom: 18px;
}
.tab {
  flex: 1 1 auto; min-width: 120px;
  border: 0; cursor: pointer; font-family: inherit;
  font-size: .96rem; font-weight: 700; color: var(--muted);
  background: transparent; border-radius: 11px; padding: 11px 10px;
  transition: background .16s ease, color .16s ease;
}
.tab:hover { background: #f1f6fa; color: var(--brand-dk); }
.tab.active { background: var(--brand); color: #fff; }

/* ===== شريط الاختيار ===== */
.toolbar {
  display: flex; gap: 10px; flex-wrap: wrap; align-items: center;
  margin-bottom: 16px;
}
.chip-row { display: flex; gap: 7px; flex-wrap: wrap; }
.chip {
  border: 1.5px solid var(--line); background: var(--surface);
  color: var(--ink); font-family: inherit; font-size: .88rem; font-weight: 700;
  padding: 7px 14px; border-radius: 999px; cursor: pointer;
  transition: all .15s ease;
}
.chip:hover { border-color: var(--brand); color: var(--brand); }
.chip.active { background: var(--brand); border-color: var(--brand); color: #fff; }
.chip.today-chip::after { content: " •"; color: var(--accent); font-weight: 900; }
.chip.active.today-chip::after { color: #ffe08a; }

.btn {
  border: 0; cursor: pointer; font-family: inherit; font-weight: 700;
  font-size: .88rem; padding: 9px 16px; border-radius: 11px;
  background: var(--brand); color: #fff; transition: filter .15s ease;
}
.btn:hover { filter: brightness(1.08); }
.btn-ghost { background: var(--surface); color: var(--brand); border: 1.5px solid var(--line); }
.btn-ghost:hover { border-color: var(--brand); }

.search-box {
  flex: 1 1 200px; min-width: 160px;
  border: 1.5px solid var(--line); border-radius: 11px;
  padding: 9px 14px; font-family: inherit; font-size: .9rem;
  background: var(--surface); color: var(--ink);
}
.search-box:focus { outline: 2px solid var(--brand); outline-offset: 1px; border-color: transparent; }

/* ===== البطاقات ===== */
.card {
  background: var(--surface); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 16px; margin-bottom: 18px;
}
.card-title {
  font-size: 1.05rem; font-weight: 800; color: var(--brand-dk);
  margin-bottom: 12px; display: flex; align-items: center; gap: 8px;
  flex-wrap: wrap;
}
.card-title .count {
  font-size: .78rem; font-weight: 700; color: var(--muted);
  background: #f1f6fa; padding: 3px 10px; border-radius: 999px;
}

/* ===== الجدول ===== */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; border-radius: 12px; }
table.grid {
  width: 100%; border-collapse: collapse; font-size: .87rem;
  min-width: 620px;
}
table.grid th, table.grid td {
  border: 1px solid var(--line); padding: 7px 6px;
  text-align: center; vertical-align: middle;
}
table.grid thead th {
  background: #eaf2f8; color: var(--brand-dk);
  font-weight: 800; font-size: .85rem; white-space: nowrap;
}
table.grid tbody th {
  background: #f6fafc; color: var(--brand-dk); font-weight: 800;
  white-space: nowrap; font-size: .84rem;
}
table.grid tbody tr:nth-child(even) td { background: #fbfdfe; }
table.grid tbody tr td.empty { background: repeating-linear-gradient(45deg, #f7f9fb, #f7f9fb 6px, #f1f5f8 6px, #f1f5f8 12px); }
table.grid tbody tr td.na { background: #eef2f5; }
table.grid tbody tr td.na::after { content: "—"; color: #adbdcb; font-weight: 700; }
table.grid th.is-today, table.grid td.is-today { background: #fff7e3 !important; }
table.grid thead th.is-today { background: #f7e6b8 !important; }

.cell-subject { display: block; font-weight: 800; font-size: .88rem; line-height: 1.35; }
.cell-teacher { display: block; font-size: .76rem; color: var(--muted); font-weight: 700; }

/* ===== الإحصائيات ===== */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 10px; }
.stat {
  background: #f6fafc; border: 1px solid var(--line);
  border-radius: 12px; padding: 12px 10px; text-align: center;
}
.stat .num { font-size: 1.5rem; font-weight: 900; color: var(--brand); line-height: 1.2; }
.stat .lbl { font-size: .78rem; color: var(--muted); font-weight: 700; }

.tag-list { display: flex; flex-wrap: wrap; gap: 6px; }
.tag {
  background: #f1f6fa; border: 1px solid var(--line); border-radius: 999px;
  padding: 4px 12px; font-size: .8rem; font-weight: 700; color: var(--brand-dk);
}
.tag .n {
  display: inline-block; margin-inline-start: 7px; padding: 0 7px;
  background: var(--brand); color: #fff; border-radius: 999px;
  font-size: .72rem; font-weight: 800; line-height: 1.7;
}
.tag.free { background: #eafaf0; border-color: #bfe6cd; color: #1c6b3c; }
.tag.none { background: #fdeeee; border-color: #f4cccc; color: #a13030; }

/* ===== قائمة الإشغال ===== */
.free-list { display: grid; gap: 10px; }
.free-row {
  display: grid; grid-template-columns: 92px 1fr; gap: 10px; align-items: start;
  border: 1px solid var(--line); border-radius: 12px; padding: 10px 12px; background: #fcfefe;
}
.free-row .p-name { font-weight: 800; color: var(--brand-dk); font-size: .86rem; }

.hint { font-size: .82rem; color: var(--muted); font-weight: 600; margin-top: 8px; }
.scroll-hint { display: none; font-size: .78rem; color: var(--muted); font-weight: 700; margin-top: 8px; text-align: center; }
@media (max-width: 760px) { .scroll-hint { display: block; } }

/* ===== التذييل ===== */
.site-footer {
  text-align: center; color: var(--muted); font-weight: 700;
  font-size: .85rem; padding: 22px 16px 34px;
}
.credit {
  margin-top: 8px; display: flex; flex-wrap: wrap;
  align-items: center; justify-content: center; gap: 8px;
  font-size: .82rem; color: #7a8a99;
}
.credit-sep { opacity: .6; }

/* ===== الجوال ===== */
@media (max-width: 640px) {
  .header-text h1 { font-size: 1.15rem; }
  .header-today { margin-inline-start: 0; width: 100%; text-align: center; }
  .tab { min-width: 0; flex: 1 1 40%; font-size: .88rem; padding: 10px 6px; }
  table.grid { font-size: .8rem; min-width: 540px; }
  .cell-subject { font-size: .81rem; }
  .cell-teacher { font-size: .71rem; }
  .free-row { grid-template-columns: 1fr; }
  .credit-sep { display: none; }
  .credit { flex-direction: column; gap: 2px; }
}

/* ===== الطباعة ===== */
@media print {
  body { background: #fff; }
  .site-header, .tabs, .toolbar, .site-footer, .no-print { display: none !important; }
  .container { padding: 0; max-width: none; }
  .card { box-shadow: none; border: 1px solid #bbb; page-break-inside: avoid; margin-bottom: 10px; }
  .table-wrap { overflow: visible; }
  table.grid { min-width: 0; font-size: .75rem; }
}

/* ==========================================================
   صفحة إشغال الغياب
   ========================================================== */
.cover-header { background: linear-gradient(160deg, #b5732f, #8a4e21); }

.chip.absent-on {
  background: #b23b3b; border-color: #b23b3b; color: #fff;
}
.chip.absent-on .n { background: #fff; color: #b23b3b; }
.chip .n {
  display: inline-block; margin-inline-start: 7px; padding: 0 7px;
  background: #e8eff5; color: var(--brand-dk); border-radius: 999px;
  font-size: .72rem; font-weight: 800; line-height: 1.7;
}

.options { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
.opt {
  display: flex; align-items: center; gap: 8px;
  background: #f6fafc; border: 1px solid var(--line); border-radius: 12px;
  padding: 9px 14px; font-size: .86rem; font-weight: 700; color: var(--brand-dk);
  cursor: pointer;
}
.opt input[type="checkbox"] { width: 18px; height: 18px; accent-color: var(--brand); cursor: pointer; }
.opt input[type="number"] {
  width: 60px; border: 1.5px solid var(--line); border-radius: 8px;
  padding: 5px 8px; font-family: inherit; font-weight: 700; text-align: center;
}
.opt-actions { display: flex; gap: 8px; flex-wrap: wrap; margin-inline-start: auto; }

table.grid tbody tr td.swapped { background: #eaf7ef !important; }
table.grid tbody tr td.gap     { background: #fdecec !important; }
table.grid td.swapped .cell-teacher b { color: #1c6b3c; }
table.grid td.swapped .cell-teacher s { color: #a08f8f; }
table.grid td.gap .cell-subject { color: #a13030; }
table.grid td.gap .cell-teacher { color: #a13030; font-weight: 800; }

table.list-table td { text-align: center; }
table.list-table select {
  font-family: inherit; font-size: .84rem; font-weight: 700;
  border: 1.5px solid var(--line); border-radius: 9px;
  padding: 5px 8px; background: #fff; color: var(--ink); max-width: 100%;
}
table.list-table select:focus { outline: 2px solid var(--brand); outline-offset: 1px; }

.pill {
  display: inline-block; border-radius: 999px; padding: 3px 10px;
  font-size: .74rem; font-weight: 800; white-space: nowrap;
}
.pill.ok     { background: #eafaf0; color: #1c6b3c; }
.pill.warn   { background: #fdf3e0; color: #8a5a12; }
.pill.danger { background: #fdeeee; color: #a13030; }
.pill.manual { background: #eef2ff; color: #3b4fa0; margin-inline-start: 6px; }

.danger-text { color: #a13030 !important; font-weight: 700; }

.cover-cta {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  background: linear-gradient(160deg, #fdf1e2, #fbe6cf);
  border: 1.5px solid #e8c79b; border-radius: var(--radius);
  padding: 14px 16px; margin-bottom: 18px; text-decoration: none; color: #7a4a18;
}
.cover-cta:hover { filter: brightness(1.02); }
.cover-cta .ico { font-size: 1.6rem; }
.cover-cta b { font-size: .98rem; display: block; }
.cover-cta span { font-size: .82rem; opacity: .85; }

@media (max-width: 640px) {
  .opt-actions { margin-inline-start: 0; width: 100%; }
  .opt-actions .btn { flex: 1 1 auto; }
  .options { gap: 10px; }
}

@media print {
  .options, .chip-row, #day-picker, #absent-picker, .cover-cta { display: none !important; }
  table.list-table select { border: 0; appearance: none; }
}

@media (max-width: 640px) {
  table.list-table { min-width: 0 !important; font-size: .76rem; }
  table.list-table th, table.list-table td { padding: 6px 4px; }
  table.list-table select { font-size: .76rem; padding: 4px 5px; }
  table.list-table.hide-absent th:nth-child(4),
  table.list-table.hide-absent td:nth-child(4) { display: none; }
  table.list-table th:nth-child(6),
  table.list-table td:nth-child(6) { display: none; }
  .list-hint { display: none !important; }
}

/* ===== تقديم الحصص في صفحة الإشغال ===== */
table.grid tbody tr td.moved { background: #e8f1fd !important; }
table.grid td.moved .cell-teacher b { color: #1d4f91; }
table.grid tbody tr td.out {
  background: repeating-linear-gradient(135deg, #f1f1f1 0 6px, #fafafa 6px 12px) !important;
}
table.grid td.out .cell-teacher { color: #8a8a8a; font-weight: 800; }
.class-changes { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 10px; }
.class-change { border: 1px solid var(--line); border-radius: 12px; padding: 10px 12px; background: var(--surface); }
.cc-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 6px; }
.class-change ul { margin: 0; padding-inline-start: 18px; font-size: .86rem; line-height: 1.8; }

/* ===== جدول الإشغال (أول، ثانٍ، ثالث) ===== */
.tag.rota { background: #fff6e6; border-color: #f0d6a8; color: #8a5a12; }

/* ===== تحرير الجدول بعد التعديل ===== */
.edit-bar { display: inline-flex; gap: 8px; flex-wrap: wrap; margin-inline-start: auto; }
.edit-bar .btn { padding: 6px 14px; font-size: .82rem; }
table.grid.editing td[data-cell] { cursor: pointer; user-select: none; }
table.grid.editing td[data-cell]:hover { filter: brightness(.97); }
table.grid tbody tr td.manual { box-shadow: inset 0 0 0 2px #7c5cc4; }
table.grid tbody tr td.sel { box-shadow: inset 0 0 0 3px var(--brand); background: #e9f2fb !important; }
table.grid tbody tr td.clash { box-shadow: inset 0 0 0 3px #d64545; }
table.grid tbody tr td.drop-over { background: #fff4d6 !important; }
table.grid tbody tr td.dragging { opacity: .45; }
.editor {
  display: flex; flex-wrap: wrap; gap: 10px 14px; align-items: end;
  border: 1.5px solid var(--line); border-radius: 12px; padding: 10px 12px; margin-bottom: 10px;
  background: var(--surface); font-size: .86rem;
}
.editor label { display: grid; gap: 4px; font-weight: 700; color: var(--muted); }
.editor select { font-family: inherit; font-size: .9rem; padding: 6px 8px; border-radius: 8px; border: 1.5px solid var(--line); min-width: 150px; }
.editor-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.editor-actions .btn { padding: 6px 14px; font-size: .82rem; }
.clash-list {
  background: #fdeeee; border: 1px solid #f4cccc; color: #a13030; border-radius: 10px;
  padding: 8px 12px; font-size: .84rem; font-weight: 700; line-height: 1.8; margin-bottom: 10px;
}
.edit-hint { margin: 0 0 10px; }
@media print { .edit-bar, .editor, .edit-hint { display: none !important; } }

/* ===== طباعة جدول اليوم بعد التعديل وحده ===== */
.print-only { display: none; }
.day-print { display: flex; justify-content: flex-end; gap: 8px; flex-wrap: wrap; margin-top: 12px; }
@media print {
  body.print-day .site-header, body.print-day .site-footer, body.print-day main > section,
  body.print-day #plan > *:not(#day-card),
  body.print-day #day-card .hint, body.print-day #day-card .scroll-hint,
  body.print-day #day-card .clash-list, body.print-day .day-print { display: none !important; }
  body.print-day .print-only { display: block; font-size: 10pt; margin: 0 0 3mm; color: #333; }
  body.print-day #day-card { border: 0; padding: 0; margin: 0; box-shadow: none; }
  body.print-day #day-card .card-title { margin-bottom: 2mm; font-size: 14pt; }
  body.print-day #day-card table.grid { min-width: 0 !important; width: 100%; font-size: 12pt; }
  body.print-day #day-card table.grid th, body.print-day #day-card table.grid td { padding: 2.6mm 1mm; }
  body.print-day #day-card .cell-subject { font-size: 12pt; }
  body.print-day #day-card .cell-teacher { font-size: 10pt; }
  body.print-day #day-card table.grid td.sel { box-shadow: none; background: none !important; }
}