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

:root {
  --bg: #f4f6fb;
  --surface: #ffffff;
  --border: #e3e8f0;
  --text: #1f2937;
  --muted: #6b7280;
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --success: #16a34a;
  --danger: #dc2626;
  --warning: #f59e0b;
  --teal: #0d9488;
  --purple: #7c3aed;
  --shadow: 0 1px 3px rgba(15,23,42,.06), 0 1px 2px rgba(15,23,42,.04);
  --shadow-lg: 0 10px 25px -5px rgba(15,23,42,.08), 0 8px 10px -6px rgba(15,23,42,.04);
}

html, body {
  font-family: 'Segoe UI', Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  min-height: 100vh;
}

/* ============= TOPBAR ============= */
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 28px;
  background: linear-gradient(135deg, #1e3a8a 0%, #1d4ed8 100%);
  color: #fff;
  box-shadow: var(--shadow-lg);
}
.brand { display: flex; gap: 14px; align-items: center; }
.logo {
  width: 46px; height: 46px;
  border-radius: 10px;
  background: rgba(255,255,255,.18);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 18px; letter-spacing: 1px;
}
.topbar h1 { font-size: 18px; font-weight: 600; letter-spacing: .3px; }
.topbar .sub { font-size: 12px; opacity: .85; }
.topbar-actions { display: flex; gap: 8px; align-items: center; }
.date-pill {
  background: rgba(255,255,255,.15);
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
}

/* ============= TABS ============= */
.tabs {
  display: flex;
  background: var(--surface);
  padding: 0 20px;
  border-bottom: 1px solid var(--border);
  overflow-x: auto;
  position: sticky; top: 0;
  z-index: 10;
}
.tab {
  background: none;
  border: none;
  padding: 14px 18px;
  font-size: 14px;
  color: var(--muted);
  cursor: pointer;
  border-bottom: 3px solid transparent;
  transition: all .2s;
  white-space: nowrap;
  font-family: inherit;
}
.tab:hover { color: var(--primary); }
.tab.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
  font-weight: 600;
}

/* ============= MAIN ============= */
main { padding: 24px 28px; max-width: 1600px; margin: 0 auto; }
.tab-pane { display: none; animation: fadeIn .25s; }
.tab-pane.active { display: block; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }

/* ============= KPI ============= */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
.kpi {
  background: var(--surface);
  border-radius: 12px;
  padding: 18px 20px;
  box-shadow: var(--shadow);
  border-left: 4px solid var(--primary);
}
.kpi-blue { border-left-color: var(--primary); }
.kpi-red { border-left-color: var(--danger); }
.kpi-green { border-left-color: var(--success); }
.kpi-orange { border-left-color: var(--warning); }
.kpi-purple { border-left-color: var(--purple); }
.kpi-teal { border-left-color: var(--teal); }
.kpi-label { font-size: 12px; color: var(--muted); text-transform: uppercase; font-weight: 600; letter-spacing: .5px; }
.kpi-value { font-size: 22px; font-weight: 700; margin: 6px 0 4px; }
.kpi-foot { font-size: 11px; color: var(--muted); }

/* ============= CARDS ============= */
.card {
  background: var(--surface);
  border-radius: 12px;
  box-shadow: var(--shadow);
  margin-bottom: 20px;
  overflow: hidden;
}
.card-head {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 12px;
}
.card-head h2 { font-size: 15px; font-weight: 600; }
.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(420px, 1fr));
  gap: 20px;
}

/* ============= FORMS ============= */
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
  padding: 20px;
}
.form-grid label {
  display: flex;
  flex-direction: column;
  font-size: 12px;
  color: var(--muted);
  font-weight: 500;
  gap: 4px;
}
.form-grid label.full { grid-column: 1 / -1; }
.form-grid label.inline { flex-direction: row; align-items: center; gap: 8px; }
.form-grid input, .form-grid select {
  padding: 9px 11px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 13px;
  background: #fff;
  color: var(--text);
  font-family: inherit;
  transition: border-color .15s, box-shadow .15s;
}
.form-grid input:focus, .form-grid select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,.12);
}
.form-actions { display: flex; gap: 10px; }

/* ============= BUTTONS ============= */
.btn-primary, .btn-ghost, .btn-danger {
  padding: 9px 16px;
  border: none;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all .15s;
  font-family: inherit;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-ghost { background: rgba(255,255,255,.15); color: #fff; border: 1px solid rgba(255,255,255,.25); }
.btn-ghost:hover { background: rgba(255,255,255,.25); }
.tab-pane .btn-ghost { background: #f3f4f6; color: var(--text); border: 1px solid var(--border); }
.tab-pane .btn-ghost:hover { background: #e5e7eb; }
.btn-danger { background: rgba(220,38,38,.18); color: #fff; border: 1px solid rgba(220,38,38,.4); }
.btn-danger:hover { background: var(--danger); }
.btn-icon {
  background: none; border: none; cursor: pointer;
  color: var(--danger); padding: 4px 8px; font-size: 16px;
}
.btn-icon:hover { color: #991b1b; }

/* ============= TABLES ============= */
.table-wrap { overflow-x: auto; }
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
th, td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
th {
  background: #f8fafc;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .4px;
  color: var(--muted);
}
tbody tr:hover { background: #f9fafb; }
.total-row {
  background: #eff6ff !important;
  font-weight: 700;
}
.total-row td { border-top: 2px solid var(--primary); border-bottom: none; }

/* ============= FILTERS ============= */
.filters { display: flex; gap: 8px; flex-wrap: wrap; }
.filters input, .filters select {
  padding: 7px 11px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 13px;
  background: #fff;
  font-family: inherit;
}
.filters input:focus, .filters select:focus {
  outline: none;
  border-color: var(--primary);
}

/* ============= BARS ============= */
.bars { padding: 20px; }
.bar-row {
  display: grid;
  grid-template-columns: 160px 1fr 100px;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}
.bar-label { font-size: 13px; font-weight: 500; }
.bar-track {
  height: 22px;
  background: #f3f4f6;
  border-radius: 6px;
  overflow: hidden;
}
.bar-fill {
  height: 100%;
  background: linear-gradient(90deg, #2563eb, #7c3aed);
  border-radius: 6px;
  transition: width .4s;
}
.bar-value { font-size: 13px; font-weight: 600; text-align: right; color: var(--muted); }

/* ============= POINTAGE ============= */
.pointage-wrap { max-height: 600px; overflow: auto; }
.pointage th, .pointage td {
  padding: 6px 8px;
  text-align: center;
  font-size: 12px;
  white-space: nowrap;
}
.pointage th {
  background: #f1f5f9;
  position: sticky; top: 0;
  z-index: 2;
}
.pointage .day-cell {
  cursor: pointer;
  user-select: none;
  transition: background .12s;
  min-width: 28px;
}
.pointage .day-cell.present {
  background: #dcfce7;
  color: #15803d;
  font-weight: 600;
}
.pointage .day-cell.absent {
  background: #fee2e2;
  color: #b91c1c;
}
.pointage .day-cell:hover { box-shadow: inset 0 0 0 2px var(--primary); }
.pointage td.label { text-align: left; position: sticky; left: 0; background: var(--surface); z-index: 1; }
.pointage tfoot td, .pointage .total-cell { font-weight: 700; background: #eff6ff; }

/* ============= MISC ============= */
.hint {
  padding: 12px 20px;
  font-size: 12px;
  color: var(--muted);
  background: #f8fafc;
  border-top: 1px solid var(--border);
}
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--text);
  color: #fff;
  padding: 12px 20px;
  border-radius: 8px;
  font-size: 13px;
  box-shadow: var(--shadow-lg);
  z-index: 100;
  animation: slideIn .25s;
}
@keyframes slideIn { from { transform: translateX(120%); } to { transform: none; } }
.toast.success { background: var(--success); }
.toast.error { background: var(--danger); }

@media (max-width: 768px) {
  .topbar { flex-direction: column; gap: 12px; align-items: flex-start; padding: 14px 18px; }
  main { padding: 16px; }
  .grid-2 { grid-template-columns: 1fr; }
}