:root {
  --primary: #1c6758;
  --primary-dark: #124035;
  --primary-light: #e6f2ef;
  --accent: #d98324;
  --danger: #c0392b;
  --danger-light: #fdecea;
  --success: #1c6758;
  --success-light: #e6f2ef;
  --warn: #b8860b;
  --warn-light: #fdf3d9;
  --text: #1f2937;
  --text-muted: #6b7280;
  --border: #e2e5e9;
  --bg: #f5f6f8;
  --card-bg: #ffffff;
  --radius: 10px;
  --sidebar-w: 230px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: 'Tahoma', 'Segoe UI', Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.6;
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.app-shell { display: flex; min-height: 100vh; }

.sidebar {
  width: var(--sidebar-w);
  background: var(--primary-dark);
  color: #fff;
  flex-shrink: 0;
  padding: 20px 0;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}
.sidebar .brand { padding: 0 20px 20px; font-size: 18px; font-weight: bold; border-bottom: 1px solid rgba(255,255,255,.15); margin-bottom: 10px; }
.sidebar .brand small { display: block; font-weight: normal; opacity: .7; font-size: 12px; margin-top: 4px; }
.sidebar nav a {
  display: block; padding: 11px 20px; color: #dfeee9; text-decoration: none; font-size: 14px;
  border-right: 3px solid transparent;
}
.sidebar nav a:hover { background: rgba(255,255,255,.08); }
.sidebar nav a.active { background: rgba(255,255,255,.12); border-right-color: var(--accent); color: #fff; font-weight: bold; }
.sidebar .user-box { padding: 14px 20px; margin-top: 10px; border-top: 1px solid rgba(255,255,255,.15); font-size: 13px; opacity: .9; }
.sidebar .user-box form { margin-top: 8px; }
.sidebar .user-box button { background: none; border: 1px solid rgba(255,255,255,.4); color: #fff; padding: 5px 10px; border-radius: 6px; cursor: pointer; font-size: 12px; }

.main { flex: 1; min-width: 0; }
.topbar {
  background: #fff; border-bottom: 1px solid var(--border); padding: 14px 24px;
  display: flex; justify-content: space-between; align-items: center; position: sticky; top: 0; z-index: 5;
}
.topbar h1 { font-size: 18px; margin: 0; }
.content { padding: 24px; max-width: 1300px; }

.card { background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px 20px; margin-bottom: 18px; }
.card h2, .card h3 { margin-top: 0; }

.grid { display: grid; gap: 16px; }
.grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 900px) {
  .grid.cols-4, .grid.cols-3, .grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .grid.cols-4, .grid.cols-3, .grid.cols-2 { grid-template-columns: 1fr; }
  .app-shell { flex-direction: column; }
  .sidebar { width: 100%; height: auto; position: relative; }
}

.stat { background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px 18px; }
.stat .num { font-size: 28px; font-weight: bold; color: var(--primary); }
.stat .label { color: var(--text-muted); font-size: 13px; margin-top: 4px; }
.stat.warn .num { color: var(--warn); }
.stat.danger .num { color: var(--danger); }

table { width: 100%; border-collapse: collapse; font-size: 14px; }
table th, table td { padding: 9px 10px; text-align: right; border-bottom: 1px solid var(--border); }
table th { background: #fafbfc; font-weight: 600; color: var(--text-muted); font-size: 13px; }
table tr:hover td { background: #fafcfb; }
.table-wrap { overflow-x: auto; }
.nowrap { white-space: nowrap; }

.btn {
  display: inline-block; padding: 8px 16px; border-radius: 7px; border: 1px solid var(--primary);
  background: var(--primary); color: #fff; cursor: pointer; font-size: 14px; text-decoration: none;
}
.btn:hover { background: var(--primary-dark); text-decoration: none; }
.btn.secondary { background: #fff; color: var(--primary); }
.btn.secondary:hover { background: var(--primary-light); }
.btn.danger { background: var(--danger); border-color: var(--danger); }
.btn.danger:hover { background: #9a2f24; }
.btn.small { padding: 4px 10px; font-size: 12px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

.badge { display: inline-block; padding: 3px 10px; border-radius: 20px; font-size: 12px; font-weight: 600; }
.badge.on_time, .badge.approved, .badge.active, .badge.finalized { background: var(--success-light); color: var(--success); }
.badge.late, .badge.pending, .badge.manager_approved, .badge.on_leave, .badge.reviewed { background: var(--warn-light); color: var(--warn); }
.badge.absent, .badge.rejected, .badge.missing_checkout, .badge.suspended, .badge.terminated { background: var(--danger-light); color: var(--danger); }
.badge.day_off, .badge.cancelled, .badge.draft { background: #eef0f2; color: var(--text-muted); }
.badge.early_leave { background: var(--warn-light); color: var(--warn); }

form .field { margin-bottom: 14px; }
form label { display: block; margin-bottom: 5px; font-size: 13px; font-weight: 600; color: var(--text-muted); }
input[type=text], input[type=email], input[type=password], input[type=date], input[type=time], input[type=number], input[type=search], select, textarea {
  width: 100%; padding: 9px 11px; border: 1px solid var(--border); border-radius: 7px; font-size: 14px; font-family: inherit; background: #fff; color: var(--text);
}
textarea { resize: vertical; min-height: 70px; }
.checkbox-row { display: flex; align-items: center; gap: 8px; }
.checkbox-row input { width: auto; }
.inline-form { display: inline; }

.alert { padding: 12px 16px; border-radius: 8px; margin-bottom: 16px; font-size: 14px; }
.alert.success { background: var(--success-light); color: var(--primary-dark); border: 1px solid #b8ddd2; }
.alert.error { background: var(--danger-light); color: var(--danger); border: 1px solid #f2c1bb; }

.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-bottom: 16px; }
.tabs a { padding: 9px 16px; color: var(--text-muted); border-bottom: 2px solid transparent; font-size: 14px; }
.tabs a.active { color: var(--primary); border-bottom-color: var(--primary); font-weight: bold; }

.text-muted { color: var(--text-muted); }
.small { font-size: 12px; }
.mt-0 { margin-top: 0; }
.flex { display: flex; }
.flex.between { justify-content: space-between; }
.flex.gap { gap: 10px; }
.flex.wrap { flex-wrap: wrap; }
.flex.center { align-items: center; }

.login-page { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, var(--primary-dark), var(--primary)); }
.login-box { background: #fff; border-radius: 14px; padding: 36px; width: 360px; max-width: 90vw; box-shadow: 0 20px 50px rgba(0,0,0,.25); }
.login-box h1 { text-align: center; color: var(--primary-dark); font-size: 20px; margin-bottom: 4px; }
.login-box p.sub { text-align: center; color: var(--text-muted); font-size: 13px; margin-bottom: 24px; }

.checkin-card { text-align: center; padding: 30px 20px; }
.checkin-status { font-size: 15px; margin: 16px 0; padding: 14px; border-radius: 10px; }
.checkin-status.ok { background: var(--success-light); color: var(--primary-dark); }
.checkin-status.bad { background: var(--danger-light); color: var(--danger); }
.big-btn { font-size: 18px; padding: 18px 30px; border-radius: 14px; width: 100%; max-width: 320px; }
.clock { font-size: 42px; font-weight: bold; color: var(--primary-dark); margin: 10px 0; }

.print-only { display: none; }
@media print {
  .no-print { display: none !important; }
  .print-only { display: block; }
  body { background: #fff; }
}