:root {
  --bg: #f3f6fb;
  --card: #ffffff;
  --line: #d9e2ef;
  --text: #1c2a39;
  --muted: #627287;
  --primary: #0b63ce;
  --primary-dark: #084a9a;
  --free: #eef4ff;
  --pre: #fff7df;
  --booked: #e8f8ef;
  --cancelled: #fdecec;
  --vacation: #efe8ff;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: linear-gradient(180deg, #f7faff 0%, #eef3f9 100%);
  color: var(--text);
}
.container { max-width: 1440px; margin: 0 auto; padding: 0 20px; }
.site-header {
  background: rgba(255,255,255,.92);
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 20;
  backdrop-filter: blur(12px);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 18px 0;
}
.brand { font-size: 24px; font-weight: 700; color: var(--text); text-decoration: none; }
.subtitle { color: var(--muted); margin-top: 4px; font-size: 14px; }
.nav { display: flex; gap: 14px; flex-wrap: wrap; }
.nav a { color: var(--primary); text-decoration: none; font-weight: 600; }
.page-content { padding: 28px 20px 40px; }

.stats-grid {
  display: grid; grid-template-columns: repeat(6, minmax(140px, 1fr)); gap: 14px; margin-bottom: 20px;
}
.stat-card, .panel {
  background: var(--card); border: 1px solid var(--line); border-radius: 18px; box-shadow: 0 10px 30px rgba(31,53,82,.06);
}
.stat-card { padding: 18px; }
.stat-card span { display: block; color: var(--muted); font-size: 14px; margin-bottom: 8px; }
.stat-card strong { font-size: 30px; }
.panel { padding: 20px; }
.panel-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 18px; margin-bottom: 18px; }
.panel-head h1 { margin: 0 0 8px; font-size: 28px; }
.panel-head p { margin: 0; color: var(--muted); }
.legend { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 16px; }

.table-wrap { overflow: auto; border: 1px solid var(--line); border-radius: 16px; }
table { width: 100%; border-collapse: separate; border-spacing: 0; min-width: 1100px; }
th, td { padding: 12px; border-bottom: 1px solid #e8eef6; border-right: 1px solid #eef3f8; vertical-align: top; background: #fff; }
th:last-child, td:last-child { border-right: 0; }
tr:last-child td { border-bottom: 0; }
.sticky-head { position: sticky; top: 0; z-index: 3; background: #f9fbff; }
.sticky-col { position: sticky; left: 0; z-index: 2; background: #f9fbff; min-width: 220px; }
.matrix-table .sticky-col.sticky-head { z-index: 4; }
.row-title { font-weight: 700; }
.slot-card {
  display: flex; flex-direction: column; gap: 6px; min-width: 150px; padding: 10px; border-radius: 12px; text-decoration: none; color: var(--text);
  border: 1px solid rgba(0,0,0,.05); transition: transform .18s ease, box-shadow .18s ease;
}
.slot-card:hover { transform: translateY(-1px); box-shadow: 0 8px 18px rgba(17,38,63,.08); }
.slot-card strong { font-size: 14px; }
.slot-card span, .slot-card small { color: #435266; }
.slot-card.free, .badge.free { background: var(--free); }
.slot-card.pre, .badge.pre { background: var(--pre); }
.slot-card.booked, .badge.booked { background: var(--booked); }
.slot-card.cancelled, .badge.cancelled { background: var(--cancelled); }
.slot-card.vacation, .badge.vacation { background: var(--vacation); }
.slot-card.muted { background: #f4f6f8; color: var(--muted); }

.badge {
  display: inline-flex; align-items: center; padding: 7px 10px; border-radius: 999px; font-size: 13px; font-weight: 700;
}
.button {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; background: var(--primary); color: #fff; border: 0; border-radius: 12px;
  padding: 12px 16px; text-decoration: none; font-weight: 700; cursor: pointer;
}
.button:hover { background: var(--primary-dark); }
.button.secondary { background: #eef4fb; color: var(--primary); }
.button.secondary:hover { background: #dfeaf7; }
.button.small { padding: 8px 12px; font-size: 14px; }

.filters-grid, .form-grid {
  display: grid; grid-template-columns: repeat(4, minmax(180px, 1fr)); gap: 16px; margin-bottom: 18px;
}
label { display: flex; flex-direction: column; gap: 8px; font-weight: 600; }
label span { font-size: 14px; color: var(--muted); }
input, select, textarea {
  width: 100%; border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; font: inherit; background: #fff;
}
textarea { resize: vertical; }
.filters-actions, .form-actions { display: flex; gap: 10px; align-items: end; }
.full-width { grid-column: 1 / -1; }

.detail-grid { display: grid; grid-template-columns: 1fr; gap: 20px; }
.summary-grid {
  display: grid; grid-template-columns: repeat(4, minmax(150px, 1fr)); gap: 14px;
}
.summary-grid div { background: #f8fbff; border: 1px solid var(--line); border-radius: 14px; padding: 14px; }
.summary-grid span { display: block; color: var(--muted); font-size: 13px; margin-bottom: 6px; }
.summary-grid strong { font-size: 18px; }

@media (max-width: 1100px) {
  .stats-grid { grid-template-columns: repeat(3, minmax(140px, 1fr)); }
  .filters-grid, .form-grid, .summary-grid { grid-template-columns: repeat(2, minmax(160px, 1fr)); }
}

@media (max-width: 760px) {
  .header-inner, .panel-head { flex-direction: column; }
  .stats-grid, .filters-grid, .form-grid, .summary-grid { grid-template-columns: 1fr; }
  .page-content { padding-left: 14px; padding-right: 14px; }
  .panel { padding: 16px; border-radius: 16px; }
  table { min-width: 860px; }
}


.empty-state { text-align:center; padding:56px 24px; }
.empty-state p { max-width:760px; margin:12px auto 0; }
.button.danger { background:#b42318; color:#fff; border-color:#b42318; }
.button.danger:hover { opacity:.92; }