:root {
  --bg: #FAFAF9;
  --card: #FFFFFF;
  --text: #16151A;
  --muted: #6B6B70;
  --border: #E7E7EA;
  --primary: #3B82F6;
  --primary-dark: #2563EB;
  --primary-light: #E6EFFE;
  --primary-ink: #FFFFFF;
  --danger: #DC2626;
  --danger-dark: #B91C1C;
  --warn: #B7791F;
  --ok: #0F9D58;
  --full: #E3F6EA;
  --full-border: #0F9D58;
  --half: #FBF0D9;
  --half-border: #B7791F;
  --absent: #FDE7E4;
  --absent-border: #DC2626;
  --shadow-sm: 0 1px 2px rgba(22,21,26,0.06), 0 1px 1px rgba(22,21,26,0.04);
  --shadow-md: 0 10px 24px rgba(22,21,26,0.10), 0 2px 6px rgba(22,21,26,0.06);
  font-family: "Be Vietnam Pro", system-ui, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0E0E10;
    --card: #17171A;
    --text: #F5F5F7;
    --muted: #9C9CA3;
    --border: #2A2A2E;
    --primary: #6EA8FF;
    --primary-dark: #8FBBFF;
    --primary-light: #1B2A44;
    --primary-ink: #0E0E10;
    --danger: #F87171;
    --danger-dark: #EF4444;
    --warn: #F5C55B;
    --ok: #3DDC84;
    --full: #10301E;
    --full-border: #3DDC84;
    --half: #362A0E;
    --half-border: #F5C55B;
    --absent: #3A1418;
    --absent-border: #F87171;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.5);
    --shadow-md: 0 10px 24px rgba(0,0,0,0.55);
  }
}

:root[data-theme="dark"] {
  --bg: #0E0E10;
  --card: #17171A;
  --text: #F5F5F7;
  --muted: #9C9CA3;
  --border: #2A2A2E;
  --primary: #6EA8FF;
  --primary-dark: #8FBBFF;
  --primary-light: #1B2A44;
  --primary-ink: #0E0E10;
  --danger: #F87171;
  --danger-dark: #EF4444;
  --warn: #F5C55B;
  --ok: #3DDC84;
  --full: #10301E;
  --full-border: #3DDC84;
  --half: #362A0E;
  --half-border: #F5C55B;
  --absent: #3A1418;
  --absent-border: #F87171;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.5);
  --shadow-md: 0 10px 24px rgba(0,0,0,0.55);
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-size: 17px;
  line-height: 1.5;
  transition: background 0.15s ease, color 0.15s ease;
}

h1, h2, .brand, .value, .qa-brand { font-family: "Manrope", "Be Vietnam Pro", sans-serif; }

/* ---------- Top navigation ---------- */

header.topnav {
  background: var(--card);
  border-bottom: 1px solid var(--border);
  padding: 0 28px;
  display: flex;
  align-items: center;
  gap: 28px;
  height: 76px;
  flex-wrap: wrap;
}

header.topnav .brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  font-size: 21px;
  color: var(--text);
  white-space: nowrap;
}

header.topnav .brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: var(--primary);
  color: var(--primary-ink);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 16px;
  flex-shrink: 0;
}

header.topnav nav {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

header.topnav nav a {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 12px 18px;
  border-radius: 12px;
  text-decoration: none;
  color: var(--muted);
  font-size: 16px;
  font-weight: 600;
}

header.topnav nav a svg { flex-shrink: 0; }

header.topnav nav a:hover {
  background: var(--bg);
  color: var(--text);
}

header.topnav nav a.active {
  background: var(--primary);
  color: var(--primary-ink);
  box-shadow: var(--shadow-sm);
}

.theme-toggle {
  display: flex;
  align-items: center;
  gap: 3px;
  background: var(--bg);
  border: 1.5px solid var(--border);
  border-radius: 999px;
  padding: 3px;
  margin-left: auto;
}

.theme-toggle button {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: 999px;
  border: none;
  background: transparent;
  color: var(--muted);
  font-family: inherit;
  font-weight: 700;
  font-size: 13.5px;
  min-height: 0;
  box-shadow: none;
  cursor: pointer;
}

.theme-toggle button.active {
  background: var(--text);
  color: var(--bg);
}

/* ---------- Layout ---------- */

main {
  max-width: 1800px;
  margin: 32px auto;
  padding: 0 28px 48px;
}

h1 {
  font-size: 30px;
  font-weight: 800;
  margin: 0 0 22px;
  letter-spacing: -0.01em;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
}

.toolbar {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

/* ---------- Forms ---------- */

label {
  font-size: 15px;
  color: var(--muted);
  font-weight: 600;
  margin-right: 8px;
}

input, select {
  padding: 12px 14px;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  font-size: 16px;
  font-family: inherit;
  color: var(--text);
  background: var(--card);
  min-height: 48px;
}

input:focus, select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px var(--primary-light);
}

input:disabled { background: var(--bg); color: var(--muted); }

input[type="checkbox"] {
  width: 22px;
  height: 22px;
  min-height: 0;
  accent-color: var(--primary);
  vertical-align: middle;
  margin-right: 4px;
}

/* ---------- Buttons ---------- */

button {
  padding: 13px 24px;
  border: none;
  border-radius: 11px;
  background: var(--primary);
  color: var(--primary-ink);
  font-size: 16px;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  min-height: 48px;
  box-shadow: var(--shadow-sm);
  transition: background 0.12s ease, transform 0.12s ease;
}

button:hover { background: var(--primary-dark); }
button:active { transform: translateY(1px); }

button.secondary {
  background: var(--card);
  color: var(--text);
  border: 1.5px solid var(--border);
  box-shadow: none;
}

button.secondary:hover { background: var(--bg); }

button.danger { background: var(--danger); color: #fff; }
button.danger:hover { background: var(--danger-dark); }

button:disabled { opacity: 0.5; cursor: not-allowed; }

/* ---------- Tables ---------- */

.table-scroll { overflow-x: auto; }

table {
  border-collapse: collapse;
  width: 100%;
  font-size: 16px;
  white-space: nowrap;
}

th, td {
  padding: 14px 14px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.wrap { white-space: normal !important; }

th {
  background: var(--bg);
  font-weight: 700;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--muted);
  white-space: nowrap;
  border-bottom: 2px solid var(--border);
}

tbody tr:hover { background: var(--primary-light); }

td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }

/* ---------- Attendance month overview (dense reference table) ---------- */

.attendance-table {
  display: block;
  overflow-x: auto;
  white-space: nowrap;
}

.attendance-table table { width: auto; font-size: 14px; }

.attendance-table th, .attendance-table td { padding: 8px 10px; }

.attendance-table th.day, .attendance-table td.day {
  text-align: center;
  padding: 6px;
  width: 38px;
  min-width: 38px;
  font-weight: 700;
}

.legend { display: flex; gap: 20px; margin-bottom: 16px; font-size: 15px; color: var(--muted); flex-wrap: wrap; }
.legend span { display: inline-flex; align-items: center; gap: 8px; }
.swatch { width: 18px; height: 18px; border-radius: 5px; display: inline-block; border: 1px solid var(--border); }

/* ---------- Misc components ---------- */

.pill {
  display: inline-block;
  padding: 5px 13px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 700;
}

.pill.ok { background: var(--full); color: var(--full-border); }
.pill.warn { background: var(--half); color: var(--half-border); }
.pill.danger { background: var(--absent); color: var(--absent-border); }

.muted { color: var(--muted); font-size: 14px; }

.modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.5);
  display: flex; align-items: center; justify-content: center;
  z-index: 50;
  padding: 20px;
}

.modal {
  background: var(--card);
  border-radius: 18px;
  padding: 32px;
  width: 460px;
  max-width: 100%;
  box-shadow: var(--shadow-md);
  max-height: 90vh;
  overflow-y: auto;
}

.modal h2 { margin-top: 0; font-size: 23px; font-weight: 800; margin-bottom: 22px; }

.form-row { margin-bottom: 18px; display: flex; flex-direction: column; gap: 6px; }
.form-row label { margin-right: 0; }
.form-row input, .form-row select { width: 100%; }
.form-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 22px; }

.hidden { display: none !important; }

.empty-state { text-align: center; padding: 52px 20px; color: var(--muted); font-size: 17px; }

.summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
}

.stat {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px 20px;
  box-shadow: var(--shadow-sm);
}

.stat .stat-icon {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
}

.stat .value { font-size: 26px; font-weight: 800; letter-spacing: -0.01em; }
.stat .label { font-size: 14px; color: var(--muted); font-weight: 500; margin-top: 2px; }

/* ---------- Dashboard panels ---------- */

.dashboard-grid {
  display: grid;
  grid-template-columns: minmax(0, 2.2fr) minmax(280px, 1fr);
  gap: 20px;
  align-items: start;
}
.dashboard-grid > * { margin-bottom: 0; }
.dashboard-side { display: flex; flex-direction: column; gap: 20px; }
.dashboard-side > * { margin-bottom: 0; }
@media (max-width: 1000px) { .dashboard-grid { grid-template-columns: 1fr; } }

.two-col {
  display: grid;
  grid-template-columns: minmax(320px, 1fr) minmax(0, 1.4fr);
  gap: 20px;
  align-items: start;
}
.two-col > * { margin-bottom: 0; }
@media (max-width: 900px) { .two-col { grid-template-columns: 1fr; } }

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 20px;
  align-items: start;
}
.grid-3 > * { margin-bottom: 0; }

.panel {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px 22px;
  box-shadow: var(--shadow-sm);
}

.panel-head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 12px; gap: 10px; flex-wrap: wrap; }
.panel-head h3 { margin: 0; font-size: 16px; font-weight: 700; }
.panel-head .eyebrow { font-size: 11px; text-transform: uppercase; letter-spacing: .07em; font-weight: 700; color: var(--primary); }

.row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 9px 0;
  font-size: 15px;
  border-bottom: 1px solid var(--border);
}
.row:last-child { border-bottom: none; }

.row .avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--primary-ink);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11.5px;
  font-weight: 700;
  flex-shrink: 0;
}

.row .who { flex: 1; font-weight: 600; }

/* ---------- Attendance: view tabs ---------- */

.view-tabs { display: flex; gap: 8px; }
.view-tabs button {
  background: var(--card);
  color: var(--muted);
  border: 1.5px solid var(--border);
  box-shadow: none;
}
.view-tabs button.active {
  background: var(--primary);
  color: var(--primary-ink);
  border-color: var(--primary);
}

/* ---------- Attendance: day view ---------- */

.day-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 16px;
}

.day-toolbar-nav { display: flex; align-items: center; gap: 14px; }
.day-info { min-width: 200px; text-align: center; }
.day-info .day-label { font-size: 19px; font-weight: 800; font-family: "Manrope", sans-serif; }
.day-info .clock-label { color: var(--muted); font-size: 13px; font-weight: 600; margin-top: 2px; }

.day-toolbar-jump { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }

.stat-row { display: flex; gap: 12px; flex-wrap: wrap; }
.stat-row .stat { min-width: 120px; }

.worker-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(560px, 1fr));
  gap: 12px;
  margin-top: 6px;
}

.worker-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 22px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--card);
  box-shadow: var(--shadow-sm);
  flex-wrap: wrap;
}

.worker-card.not-employed { opacity: 0.6; box-shadow: none; }

.worker-card .worker-name { font-weight: 700; font-size: 19px; }
.worker-card .worker-sub { font-size: 14px; color: var(--muted); margin-top: 2px; }

.status-buttons { display: flex; gap: 10px; flex-wrap: wrap; }

.status-btn {
  background: var(--card);
  color: var(--text);
  border: 2px solid var(--border);
  padding: 14px 22px;
  font-size: 16px;
  font-weight: 700;
  border-radius: 12px;
  min-width: 126px;
  min-height: 52px;
  box-shadow: none;
}

.status-btn:hover { background: var(--bg); }

.status-btn.full.active { background: var(--full); border-color: var(--full-border); color: var(--full-border); }
.status-btn.half.active { background: var(--half); border-color: var(--half-border); color: var(--half-border); }
.status-btn.absent.active { background: var(--absent); border-color: var(--absent-border); color: var(--absent-border); }

.status-btn.sm {
  padding: 8px 12px;
  font-size: 13px;
  min-width: 0;
  min-height: 36px;
  border-width: 1.5px;
}

button.sm {
  padding: 8px 14px;
  font-size: 13.5px;
  min-height: 36px;
  border-radius: 8px;
}

/* ---------- Custom date field (dd/mm/yyyy mask + calendar popup) ---------- */

.vn-date-wrap { position: relative; }
.vn-date-wrap input { padding-right: 42px; }

.vn-date-toggle {
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  background: transparent;
  box-shadow: none;
  border: none;
  color: var(--muted);
  min-height: 0;
  padding: 6px 8px;
  font-size: 17px;
  line-height: 1;
}
.vn-date-toggle:hover { background: transparent; color: var(--primary); }

.vn-date-panel {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  z-index: 60;
  width: 260px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: var(--shadow-md);
  padding: 12px;
}

.vn-date-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; font-weight: 700; font-size: 14px; }
.vn-date-head button {
  background: transparent; box-shadow: none; border: none; color: var(--text);
  min-height: 0; padding: 4px 10px; font-size: 16px; border-radius: 7px;
}
.vn-date-head button:hover { background: var(--bg); }

.vn-date-dow {
  display: grid; grid-template-columns: repeat(7, 1fr);
  text-align: center; font-size: 11.5px; font-weight: 700; color: var(--muted);
  margin-bottom: 4px;
}

.vn-date-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 2px; }

.vn-day {
  background: transparent; box-shadow: none; border: none; color: var(--text);
  min-height: 32px; padding: 0; border-radius: 8px; font-size: 13px; font-weight: 600;
}
.vn-day:hover { background: var(--bg); }
.vn-day.today:not(.sel) { border: 1.5px solid var(--primary); }
.vn-day.sel { background: var(--primary); color: var(--primary-ink); }