/* ============================================================
   TOKENS
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
  /* Colors */
  --color-primary: #3b82f6;
  --color-primary-hover: #2563eb;
  --color-primary-light: #eff6ff;
  --color-bg: #f8fafc;
  --color-surface: #ffffff;
  --color-border: #e2e8f0;
  --color-border-strong: #cbd5e1;
  --color-text-primary: #0f172a;
  --color-text-secondary: #64748b;
  --color-text-muted: #94a3b8;
  --color-text-inverse: #ffffff;

  /* Status */
  --color-success: #15803d;
  --color-success-bg: #dcfce7;
  --color-success-border: #bbf7d0;
  --color-warning: #b45309;
  --color-warning-bg: #fef3c7;
  --color-warning-border: #fcd34d;
  --color-danger: #991b1b;
  --color-danger-bg: #fee2e2;
  --color-danger-border: #fca5a5;
  --color-info: #1d4ed8;
  --color-info-bg: #eff6ff;
  --color-info-border: #bfdbfe;

  /* Status specific */
  --color-on-leave: #6d28d9;
  --color-on-leave-bg: #ede9fe;

  /* Sidebar */
  --sidebar-width: 240px;
  --header-height: 64px;

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --text-xs: 11px;
  --text-sm: 12px;
  --text-base: 13px;
  --text-md: 14px;
  --text-lg: 16px;
  --text-xl: 18px;
  --text-2xl: 20px;
  --text-3xl: 24px;
  --text-4xl: 28px;
  --text-5xl: 32px;

  --fw-normal: 400;
  --fw-medium: 500;
  --fw-semibold: 600;
  --fw-bold: 700;

  /* Spacing */
  --sp-1: 4px;
  --sp-2: 6px;
  --sp-3: 8px;
  --sp-4: 12px;
  --sp-5: 16px;
  --sp-6: 20px;
  --sp-7: 24px;
  --sp-8: 32px;
  --sp-9: 40px;
  --sp-10: 48px;

  /* Border radius */
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 10px;
  --radius-xl: 12px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.05), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08), 0 2px 4px rgba(0,0,0,0.05);
  --shadow-lg: 0 10px 30px rgba(0,0,0,0.12), 0 4px 8px rgba(0,0,0,0.06);

  /* Motion */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
  --duration-fast: 150ms;
  --duration-normal: 250ms;
  --duration-slow: 400ms;
}

/* ============================================================
   RESET
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; -webkit-font-smoothing: antialiased; }
body { font-family: var(--font-family); background: var(--color-bg); color: var(--color-text-primary); line-height: 1.5; }
img { display: block; max-width: 100%; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, select, textarea { font-family: inherit; }
a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }
table { border-collapse: collapse; }

/* ============================================================
   LAYOUT
   ============================================================ */
#app {
  width: 1440px;
  margin: 0 auto;
  min-height: 100vh;
  position: relative;
}

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

/* Sidebar */
.sidebar {
  width: var(--sidebar-width);
  min-width: var(--sidebar-width);
  background: var(--color-surface);
  border-right: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  position: fixed;
  left: calc((100vw - 1440px) / 2);
  top: 0;
  height: 100vh;
  overflow-y: auto;
  z-index: 50;
}

.sidebar-brand {
  padding: var(--sp-6) var(--sp-6);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  height: var(--header-height);
}

.sidebar-logo-mark {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-hover));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: var(--fw-bold);
  font-size: var(--text-md);
  flex-shrink: 0;
}

.sidebar-brand-name {
  font-size: var(--text-md);
  font-weight: var(--fw-bold);
  color: var(--color-text-primary);
  line-height: 1.2;
}

.sidebar-nav {
  flex: 1;
  padding: var(--sp-4) var(--sp-4);
}

.sidebar-section-label {
  font-size: var(--text-xs);
  font-weight: var(--fw-semibold);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.6px;
  padding: var(--sp-4) var(--sp-3) var(--sp-2);
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: 9px var(--sp-3);
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  font-size: var(--text-md);
  font-weight: var(--fw-medium);
  transition: background var(--duration-fast) var(--ease-out), color var(--duration-fast) var(--ease-out);
  cursor: pointer;
  margin-bottom: 2px;
}

.sidebar-link:hover {
  background: var(--color-bg);
  color: var(--color-text-primary);
}

.sidebar-link.active {
  background: var(--color-primary-light);
  color: var(--color-primary);
}

.sidebar-link.active svg {
  color: var(--color-primary);
}

.sidebar-link svg {
  flex-shrink: 0;
  opacity: 0.7;
}

.sidebar-link.active svg {
  opacity: 1;
}

.sidebar-footer {
  padding: var(--sp-4);
  border-top: 1px solid var(--color-border);
}

/* Header */
.app-header {
  position: fixed;
  left: calc((100vw - 1440px) / 2 + var(--sidebar-width));
  top: 0;
  width: calc(1440px - var(--sidebar-width));
  height: var(--header-height);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--sp-8);
  z-index: 40;
}

.header-left {
  display: flex;
  flex-direction: column;
}

.header-breadcrumb {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.header-breadcrumb a {
  color: var(--color-primary);
  font-weight: var(--fw-medium);
}

.header-breadcrumb a:hover { text-decoration: underline; }

.header-right {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}

.header-search {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 7px var(--sp-4);
  width: 200px;
  font-size: var(--text-md);
  color: var(--color-text-secondary);
  transition: border-color var(--duration-fast);
  outline: none;
}

.header-search:focus {
  border-color: var(--color-primary);
}

.icon-btn {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: background var(--duration-fast), color var(--duration-fast);
  position: relative;
}

.icon-btn:hover { background: var(--color-border); color: var(--color-text-primary); }

.user-chip {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-2) var(--sp-3);
  border-left: 1px solid var(--color-border);
  margin-left: var(--sp-2);
}

.user-avatar {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-hover));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: var(--fw-semibold);
  font-size: var(--text-sm);
  flex-shrink: 0;
}

.user-chip-info { line-height: 1.3; }
.user-chip-name { font-size: var(--text-md); font-weight: var(--fw-semibold); color: var(--color-text-primary); }
.user-chip-role { font-size: var(--text-sm); color: var(--color-text-muted); }

/* Main content area */
.main-content {
  margin-left: var(--sidebar-width);
  margin-top: var(--header-height);
  min-height: calc(100vh - var(--header-height));
  padding: var(--sp-8);
  flex: 1;
}

/* ============================================================
   TYPOGRAPHY
   ============================================================ */
.page-title {
  font-size: var(--text-4xl);
  font-weight: var(--fw-bold);
  color: var(--color-text-primary);
  line-height: 1.2;
}

.page-subtitle {
  font-size: var(--text-md);
  color: var(--color-text-secondary);
  margin-top: 4px;
}

.section-title {
  font-size: var(--text-md);
  font-weight: var(--fw-semibold);
  color: var(--color-text-primary);
}

.label-uppercase {
  font-size: var(--text-xs);
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-text-muted);
}

/* ============================================================
   CARDS
   ============================================================ */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
}

.card-padded { padding: var(--sp-7); }
.card-compact { padding: var(--sp-6); }

/* ============================================================
   BADGES / STATUS
   ============================================================ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: var(--fw-semibold);
  line-height: 1.5;
  white-space: nowrap;
}

.badge-present, .badge-on-time { background: var(--color-success-bg); color: var(--color-success); }
.badge-late { background: var(--color-warning-bg); color: var(--color-warning); }
.badge-absent { background: var(--color-danger-bg); color: var(--color-danger); }
.badge-on-leave { background: var(--color-on-leave-bg); color: var(--color-on-leave); }
.badge-exception { background: var(--color-warning-bg); color: var(--color-warning); }
.badge-success { background: var(--color-success-bg); color: var(--color-success); }
.badge-error { background: var(--color-danger-bg); color: var(--color-danger); }
.badge-info { background: var(--color-info-bg); color: var(--color-info); }
.badge-neutral { background: var(--color-bg); color: var(--color-text-secondary); border: 1px solid var(--color-border); }

/* Workflow state pills */
.pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: var(--fw-medium);
  white-space: nowrap;
}

.pill-open { background: var(--color-info-bg); color: var(--color-info); border: 1px solid var(--color-info-border); }
.pill-completed { background: var(--color-success-bg); color: var(--color-success); border: 1px solid var(--color-success-border); }
.pill-corrected { background: var(--color-warning-bg); color: var(--color-warning); border: 1px solid var(--color-warning-border); }
.pill-exported { background: var(--color-bg); color: var(--color-text-secondary); border: 1px solid var(--color-border); }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  padding: 9px var(--sp-5);
  border-radius: var(--radius-md);
  font-size: var(--text-md);
  font-weight: var(--fw-semibold);
  transition: all var(--duration-fast) var(--ease-out);
  cursor: pointer;
  border: 1px solid transparent;
  white-space: nowrap;
  line-height: 1;
}

.btn:active { transform: scale(0.98); }

.btn-primary {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

.btn-primary:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  box-shadow: 0 4px 12px rgba(59,130,246,0.3);
}

.btn-secondary {
  background: var(--color-surface);
  color: var(--color-text-primary);
  border-color: var(--color-border);
}

.btn-secondary:hover { background: var(--color-bg); border-color: var(--color-border-strong); }

.btn-ghost {
  background: transparent;
  color: var(--color-text-secondary);
  border-color: transparent;
}

.btn-ghost:hover { background: var(--color-bg); color: var(--color-text-primary); }

.btn-danger {
  background: var(--color-danger-bg);
  color: var(--color-danger);
  border-color: var(--color-danger-border);
}

.btn-danger:hover { background: #fecaca; }

.btn-lg {
  padding: 13px var(--sp-7);
  font-size: var(--text-lg);
  border-radius: var(--radius-lg);
}

.btn-sm {
  padding: 5px 12px;
  font-size: var(--text-sm);
}

.btn:disabled, .btn-disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* ============================================================
   FORM ELEMENTS
   ============================================================ */
.form-label {
  display: block;
  font-size: var(--text-md);
  font-weight: var(--fw-medium);
  color: var(--color-text-primary);
  margin-bottom: 6px;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 9px var(--sp-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-md);
  color: var(--color-text-primary);
  background: var(--color-surface);
  transition: border-color var(--duration-fast);
  outline: none;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(59,130,246,0.1);
}

.form-textarea { resize: vertical; min-height: 80px; }

.form-input.field-error, .form-select.field-error, .form-textarea.field-error {
  border-color: var(--color-danger);
  box-shadow: 0 0 0 3px rgba(153,27,27,0.08);
}

.field-error-msg {
  font-size: var(--text-sm);
  color: var(--color-danger);
  margin-top: 4px;
}

.form-group { margin-bottom: var(--sp-5); }

.form-row {
  display: grid;
  gap: var(--sp-5);
}

.form-row-2 { grid-template-columns: 1fr 1fr; }
.form-row-3 { grid-template-columns: 1fr 1fr 1fr; }

/* Checkbox */
.form-check {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  cursor: pointer;
}

.form-check input[type="checkbox"] {
  width: 16px;
  height: 16px;
  border: 1.5px solid var(--color-border-strong);
  border-radius: 4px;
  cursor: pointer;
  accent-color: var(--color-primary);
}

/* ============================================================
   TABLES
   ============================================================ */
.data-table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
}

.data-table {
  width: 100%;
  font-size: var(--text-md);
}

.data-table thead tr {
  border-bottom: 1px solid var(--color-border);
}

.data-table th {
  padding: 12px var(--sp-5);
  font-size: var(--text-sm);
  font-weight: var(--fw-semibold);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.4px;
  text-align: left;
  white-space: nowrap;
  background: var(--color-bg);
}

.data-table th.sortable {
  cursor: pointer;
  user-select: none;
}

.data-table th.sortable:hover { color: var(--color-text-primary); }

.data-table th .sort-icon {
  display: inline-flex;
  margin-left: 4px;
  opacity: 0.4;
  vertical-align: middle;
}

.data-table th.sorted .sort-icon { opacity: 1; color: var(--color-primary); }

.data-table tbody tr {
  border-bottom: 1px solid var(--color-border);
  transition: background var(--duration-fast);
}

.data-table tbody tr:last-child { border-bottom: none; }

.data-table tbody tr:hover { background: var(--color-bg); }

.data-table tbody tr.clickable { cursor: pointer; }

.data-table td {
  padding: 14px var(--sp-5);
  color: var(--color-text-primary);
  vertical-align: middle;
}

.data-table td.text-muted { color: var(--color-text-muted); }

/* ============================================================
   FILTER TOOLBAR
   ============================================================ */
.filter-toolbar {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  margin-bottom: var(--sp-5);
  flex-wrap: wrap;
}

.filter-label {
  font-size: var(--text-md);
  color: var(--color-text-secondary);
  font-weight: var(--fw-medium);
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Toggle switch */
.toggle-wrap {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: 7px 12px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: var(--text-md);
  color: var(--color-text-secondary);
  font-weight: var(--fw-medium);
  transition: all var(--duration-fast);
  user-select: none;
}

.toggle-wrap:hover { border-color: var(--color-border-strong); }
.toggle-wrap.active { border-color: var(--color-primary); color: var(--color-primary); background: var(--color-primary-light); }

.toggle-knob {
  width: 28px;
  height: 16px;
  border-radius: 8px;
  background: var(--color-border-strong);
  position: relative;
  transition: background var(--duration-fast);
}

.toggle-knob::after {
  content: '';
  position: absolute;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: white;
  top: 2px;
  left: 2px;
  transition: transform var(--duration-fast) var(--ease-out);
  box-shadow: var(--shadow-sm);
}

.toggle-wrap.active .toggle-knob { background: var(--color-primary); }
.toggle-wrap.active .toggle-knob::after { transform: translateX(12px); }

/* ============================================================
   DROPDOWN
   ============================================================ */
.dropdown-wrap {
  position: relative;
  display: inline-block;
}

.dropdown-trigger {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  padding: 7px 12px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-md);
  color: var(--color-text-primary);
  font-weight: var(--fw-medium);
  cursor: pointer;
  transition: border-color var(--duration-fast), background var(--duration-fast);
  white-space: nowrap;
  user-select: none;
  min-width: 120px;
  justify-content: space-between;
}

.dropdown-trigger:hover { border-color: var(--color-border-strong); background: var(--color-bg); }
.dropdown-trigger.open { border-color: var(--color-primary); }
.dropdown-trigger .chevron { color: var(--color-text-muted); transition: transform var(--duration-fast); }
.dropdown-trigger.open .chevron { transform: rotate(180deg); }

.dropdown-panel {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  min-width: 100%;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  z-index: 200;
  padding: 4px 0;
  animation: fadeSlideDown var(--duration-normal) var(--ease-out);
  min-width: 160px;
}

.dropdown-option {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 9px 14px;
  font-size: var(--text-md);
  color: var(--color-text-primary);
  cursor: pointer;
  transition: background var(--duration-fast);
}

.dropdown-option:hover { background: var(--color-bg); }
.dropdown-option.active { color: var(--color-primary); font-weight: var(--fw-medium); }
.dropdown-option .check-icon { color: var(--color-primary); }

/* ============================================================
   MODAL
   ============================================================ */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15,23,42,0.45);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeIn var(--duration-normal) var(--ease-out);
}

.modal-content {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  width: 480px;
  max-width: calc(100vw - 48px);
  animation: scaleIn var(--duration-normal) var(--ease-out);
  overflow: hidden;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-6) var(--sp-7);
  border-bottom: 1px solid var(--color-border);
}

.modal-title { font-size: var(--text-lg); font-weight: var(--fw-semibold); color: var(--color-text-primary); }

.modal-body { padding: var(--sp-7); }

.modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--sp-3);
  padding: var(--sp-5) var(--sp-7);
  border-top: 1px solid var(--color-border);
  background: var(--color-bg);
}

/* ============================================================
   TOAST
   ============================================================ */
.toast-container {
  position: fixed;
  top: var(--sp-6);
  right: var(--sp-6);
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-3);
  padding: 14px var(--sp-5);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  min-width: 280px;
  max-width: 380px;
  pointer-events: all;
  animation: slideInRight var(--duration-normal) var(--ease-out);
}

.toast.fade-out { animation: fadeOut var(--duration-normal) var(--ease-in-out) forwards; }

.toast-icon { flex-shrink: 0; margin-top: 1px; }
.toast-text { flex: 1; font-size: var(--text-md); font-weight: var(--fw-medium); color: var(--color-text-primary); line-height: 1.4; }

.toast-success { border-left: 4px solid var(--color-success); }
.toast-error { border-left: 4px solid var(--color-danger); }
.toast-warning { border-left: 4px solid var(--color-warning); }
.toast-info { border-left: 4px solid var(--color-primary); }

.toast-success .toast-icon { color: var(--color-success); }
.toast-error .toast-icon { color: var(--color-danger); }
.toast-warning .toast-icon { color: var(--color-warning); }
.toast-info .toast-icon { color: var(--color-primary); }

/* ============================================================
   METRIC CARDS
   ============================================================ */
.metrics-row {
  display: grid;
  gap: var(--sp-5);
  margin-bottom: var(--sp-6);
}

.metrics-row-4 { grid-template-columns: repeat(4, 1fr); }
.metrics-row-3 { grid-template-columns: repeat(3, 1fr); }
.metrics-row-2 { grid-template-columns: repeat(2, 1fr); }

.metric-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--sp-6);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--duration-fast);
}

.metric-card:hover { box-shadow: var(--shadow-md); }

.metric-card-label {
  font-size: var(--text-sm);
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-text-muted);
  margin-bottom: var(--sp-2);
}

.metric-card-value {
  font-size: var(--text-5xl);
  font-weight: var(--fw-bold);
  color: var(--color-text-primary);
  line-height: 1;
  margin-bottom: 6px;
}

.metric-card-sub {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.metric-card.accent-blue { border-top: 3px solid var(--color-primary); }
.metric-card.accent-green { border-top: 3px solid var(--color-success); }
.metric-card.accent-amber { border-top: 3px solid var(--color-warning); }
.metric-card.accent-red { border-top: 3px solid var(--color-danger); }
.metric-card.accent-purple { border-top: 3px solid var(--color-on-leave); }

/* ============================================================
   PAGINATION
   ============================================================ */
.pagination {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-5) 0;
  justify-content: center;
}

.page-btn {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-md);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--duration-fast);
}

.page-btn:hover { background: var(--color-bg); border-color: var(--color-border-strong); color: var(--color-text-primary); }
.page-btn.active { background: var(--color-primary); border-color: var(--color-primary); color: white; font-weight: var(--fw-semibold); }
.page-btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* ============================================================
   TIMELINE
   ============================================================ */
.timeline {
  position: relative;
  padding-left: var(--sp-7);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 10px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: var(--color-border);
}

.timeline-item {
  position: relative;
  padding-bottom: var(--sp-6);
  display: flex;
  gap: var(--sp-4);
  align-items: flex-start;
}

.timeline-item:last-child { padding-bottom: 0; }

.timeline-dot {
  position: absolute;
  left: -23px;
  top: 3px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--color-surface);
  border: 2px solid var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  z-index: 1;
}

.timeline-dot.clock-out { border-color: var(--color-success); color: var(--color-success); }

.timeline-time {
  font-size: var(--text-md);
  font-weight: var(--fw-semibold);
  color: var(--color-text-primary);
  min-width: 80px;
}

.timeline-label {
  font-size: var(--text-md);
  color: var(--color-text-secondary);
}

/* ============================================================
   ALERT BANNERS
   ============================================================ */
.alert-banner {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-4);
  padding: var(--sp-4) var(--sp-5);
  border-radius: var(--radius-lg);
  border: 1px solid;
  margin-bottom: var(--sp-5);
  font-size: var(--text-md);
}

.alert-banner-icon { flex-shrink: 0; margin-top: 1px; }

.alert-banner-content { flex: 1; }
.alert-banner-title { font-weight: var(--fw-semibold); margin-bottom: 2px; }
.alert-banner-text { line-height: 1.4; }

.alert-banner a {
  font-weight: var(--fw-semibold);
  text-decoration: underline;
  cursor: pointer;
}

.alert-warning { background: var(--color-warning-bg); border-color: var(--color-warning-border); color: var(--color-warning); }
.alert-info { background: var(--color-info-bg); border-color: var(--color-info-border); color: var(--color-info); }
.alert-success { background: var(--color-success-bg); border-color: var(--color-success-border); color: var(--color-success); }
.alert-error { background: var(--color-danger-bg); border-color: var(--color-danger-border); color: var(--color-danger); }

/* ============================================================
   TABS
   ============================================================ */
.tabs-header {
  display: flex;
  border-bottom: 2px solid var(--color-border);
  margin-bottom: var(--sp-7);
  gap: 0;
}

.tab-btn {
  padding: 10px var(--sp-6);
  font-size: var(--text-md);
  font-weight: var(--fw-medium);
  color: var(--color-text-secondary);
  cursor: pointer;
  border: none;
  background: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: all var(--duration-fast);
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}

.tab-btn:hover { color: var(--color-text-primary); }
.tab-btn.active { color: var(--color-primary); border-bottom-color: var(--color-primary); font-weight: var(--fw-semibold); }

/* ============================================================
   PROGRESS BAR
   ============================================================ */
.progress-bar-wrap {
  width: 100%;
  background: var(--color-border);
  border-radius: var(--radius-full);
  height: 8px;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  border-radius: var(--radius-full);
  transition: width var(--duration-slow) var(--ease-out);
}

.progress-bar-blue { background: var(--color-primary); }
.progress-bar-green { background: var(--color-success); }
.progress-bar-amber { background: var(--color-warning); }
.progress-bar-red { background: var(--color-danger); }

/* ============================================================
   SPINNER
   ============================================================ */
.spinner {
  border-radius: 50%;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-primary);
  animation: spin 0.7s linear infinite;
  flex-shrink: 0;
}

.spinner-sm { width: 16px; height: 16px; }
.spinner-md { width: 24px; height: 24px; }
.spinner-lg { width: 40px; height: 40px; border-width: 3px; }

/* ============================================================
   EMPTY STATE
   ============================================================ */
.empty-state {
  text-align: center;
  padding: var(--sp-10) var(--sp-8);
  color: var(--color-text-muted);
}

.empty-state-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto var(--sp-5);
  background: var(--color-bg);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
}

.empty-state-title {
  font-size: var(--text-lg);
  font-weight: var(--fw-semibold);
  color: var(--color-text-primary);
  margin-bottom: 6px;
}

.empty-state-subtitle {
  font-size: var(--text-md);
  color: var(--color-text-secondary);
}

/* ============================================================
   CALENDAR
   ============================================================ */
.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
}

.cal-day-header {
  text-align: center;
  font-size: var(--text-sm);
  font-weight: var(--fw-semibold);
  color: var(--color-text-muted);
  padding: 6px 0;
}

.cal-day {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  cursor: pointer;
  transition: all var(--duration-fast);
  position: relative;
  flex-direction: column;
  gap: 2px;
}

.cal-day:hover { opacity: 0.85; }
.cal-day.empty { cursor: default; }
.cal-day.present { background: var(--color-success-bg); color: var(--color-success); font-weight: var(--fw-semibold); }
.cal-day.late { background: var(--color-warning-bg); color: var(--color-warning); font-weight: var(--fw-semibold); }
.cal-day.absent { background: var(--color-danger-bg); color: var(--color-danger); font-weight: var(--fw-semibold); }
.cal-day.on-leave { background: var(--color-on-leave-bg); color: var(--color-on-leave); font-weight: var(--fw-semibold); }
.cal-day.today { box-shadow: 0 0 0 2px var(--color-primary); }
.cal-day.no-record { color: var(--color-text-muted); }
.cal-day.weekend { opacity: 0.4; cursor: default; pointer-events: none; }

/* ============================================================
   PAGE HEADER
   ============================================================ */
.page-header {
  margin-bottom: var(--sp-7);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--sp-5);
}

.page-header-left { flex: 1; }

.page-header-actions {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}

.breadcrumb {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--sp-3);
  display: flex;
  align-items: center;
  gap: 6px;
}

.breadcrumb a { color: var(--color-primary); font-weight: var(--fw-medium); cursor: pointer; }
.breadcrumb a:hover { text-decoration: underline; }

/* ============================================================
   KEY-VALUE TABLE
   ============================================================ */
.kv-table { width: 100%; }
.kv-table tr { border-bottom: 1px solid var(--color-border); }
.kv-table tr:last-child { border-bottom: none; }
.kv-table td { padding: 10px var(--sp-4); font-size: var(--text-md); }
.kv-table td:first-child { font-weight: var(--fw-medium); color: var(--color-text-secondary); width: 45%; }
.kv-table td:last-child { font-family: 'Courier New', monospace; font-size: var(--text-sm); color: var(--color-primary); }

/* ============================================================
   MOTION / ANIMATIONS
   ============================================================ */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeOut {
  from { opacity: 1; transform: translateX(0); }
  to { opacity: 0; transform: translateX(20px); }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(24px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes fadeSlideDown {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-6px); }
  40%, 80% { transform: translateX(6px); }
}

.animate-fadeIn { animation: fadeIn var(--duration-normal) var(--ease-out); }
.animate-slideUp { animation: slideUp var(--duration-normal) var(--ease-out); }
.animate-scaleIn { animation: scaleIn var(--duration-normal) var(--ease-out); }
.animate-shake { animation: shake 0.4s ease-in-out; }

.transition-colors { transition: background var(--duration-fast), color var(--duration-fast), border-color var(--duration-fast); }
.transition-all { transition: all var(--duration-fast) var(--ease-out); }
.transition-transform { transition: transform var(--duration-fast) var(--ease-out); }

/* Screen entry animation for rows */
.stagger-item { animation: slideUp var(--duration-normal) var(--ease-out) both; }
.stagger-item:nth-child(1) { animation-delay: 0ms; }
.stagger-item:nth-child(2) { animation-delay: 30ms; }
.stagger-item:nth-child(3) { animation-delay: 60ms; }
.stagger-item:nth-child(4) { animation-delay: 90ms; }
.stagger-item:nth-child(5) { animation-delay: 120ms; }
.stagger-item:nth-child(6) { animation-delay: 150ms; }
.stagger-item:nth-child(7) { animation-delay: 180ms; }
.stagger-item:nth-child(8) { animation-delay: 210ms; }
.stagger-item:nth-child(9) { animation-delay: 240ms; }
.stagger-item:nth-child(10) { animation-delay: 270ms; }

/* ============================================================
   UTILITIES
   ============================================================ */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.justify-between { justify-content: space-between; }
.justify-end { justify-content: flex-end; }
.gap-2 { gap: var(--sp-2); }
.gap-3 { gap: var(--sp-3); }
.gap-4 { gap: var(--sp-4); }
.gap-5 { gap: var(--sp-5); }
.gap-6 { gap: var(--sp-6); }
.gap-8 { gap: var(--sp-8); }
.flex-1 { flex: 1; }
.w-full { width: 100%; }
.mt-4 { margin-top: var(--sp-4); }
.mt-5 { margin-top: var(--sp-5); }
.mt-6 { margin-top: var(--sp-6); }
.mt-7 { margin-top: var(--sp-7); }
.mb-4 { margin-bottom: var(--sp-4); }
.mb-5 { margin-bottom: var(--sp-5); }
.mb-6 { margin-bottom: var(--sp-6); }
.mb-7 { margin-bottom: var(--sp-7); }
.p-5 { padding: var(--sp-5); }
.p-6 { padding: var(--sp-6); }
.p-7 { padding: var(--sp-7); }
.text-sm { font-size: var(--text-sm); }
.text-md { font-size: var(--text-md); }
.text-muted { color: var(--color-text-muted); }
.text-secondary { color: var(--color-text-secondary); }
.text-primary { color: var(--color-text-primary); }
.font-semibold { font-weight: var(--fw-semibold); }
.font-bold { font-weight: var(--fw-bold); }
.font-medium { font-weight: var(--fw-medium); }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* Divider */
.divider { border: none; border-top: 1px solid var(--color-border); margin: var(--sp-6) 0; }

/* Action icon button in tables */
.action-btn {
  width: 30px;
  height: 30px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all var(--duration-fast);
  background: none;
  border: none;
}

.action-btn:hover { background: var(--color-bg); color: var(--color-primary); }

/* Login screen specific */
.login-layout {
  min-height: 100vh;
  background: linear-gradient(135deg, #f0f7ff 0%, var(--color-bg) 60%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--sp-8);
}

.login-card {
  background: var(--color-surface);
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
  width: 900px;
  max-width: 100%;
  overflow: hidden;
  animation: scaleIn var(--duration-slow) var(--ease-out);
}

.login-header {
  padding: var(--sp-8);
  border-bottom: 1px solid var(--color-border);
  text-align: center;
}

.login-logo {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-3);
  margin-bottom: var(--sp-5);
}

.login-logo-mark {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-hover));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: var(--fw-bold);
  font-size: var(--text-xl);
}

.login-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.login-user-section {
  padding: var(--sp-7);
  border-right: 1px solid var(--color-border);
}

.login-form-section {
  padding: var(--sp-7);
}

.user-cards-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-3);
  margin-top: var(--sp-4);
}

.user-card {
  padding: var(--sp-4);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-out);
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}

.user-card:hover { border-color: var(--color-primary); background: var(--color-primary-light); }
.user-card.selected { border-color: var(--color-primary); background: var(--color-primary-light); box-shadow: 0 0 0 3px rgba(59,130,246,0.15); }

.user-card-avatar {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: var(--fw-semibold);
  font-size: var(--text-sm);
  flex-shrink: 0;
}

.avatar-employee { background: linear-gradient(135deg, #3b82f6, #2563eb); }
.avatar-manager { background: linear-gradient(135deg, #8b5cf6, #7c3aed); }
.avatar-hr { background: linear-gradient(135deg, #10b981, #059669); }

.user-card-info { line-height: 1.3; flex: 1; min-width: 0; }
.user-card-name { font-size: var(--text-md); font-weight: var(--fw-semibold); color: var(--color-text-primary); }
.user-card-role { font-size: var(--text-sm); color: var(--color-text-muted); }

/* Role group label */
.role-group-label {
  font-size: var(--text-xs);
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--color-text-muted);
  margin-bottom: var(--sp-2);
  margin-top: var(--sp-4);
}

.role-group-label:first-child { margin-top: 0; }

/* Footer */
.app-footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: var(--sp-5) var(--sp-8);
  margin-top: var(--sp-9);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Record detail specific */
.record-header-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--sp-7);
  margin-bottom: var(--sp-6);
  box-shadow: var(--shadow-sm);
}

/* Back button */
.back-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  color: var(--color-text-secondary);
  font-size: var(--text-md);
  font-weight: var(--fw-medium);
  cursor: pointer;
  padding: 6px 0;
  transition: color var(--duration-fast);
  margin-bottom: var(--sp-5);
  background: none;
  border: none;
}

.back-btn:hover { color: var(--color-primary); }

/* Section card header */
.section-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--sp-6);
  overflow: hidden;
}

.section-card-header {
  padding: var(--sp-5) var(--sp-7);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--color-bg);
}

.section-card-body { padding: var(--sp-7); }

/* Integration health */
.health-metric {
  margin-bottom: var(--sp-5);
}

.health-metric-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}

.health-metric-label { font-size: var(--text-md); font-weight: var(--fw-medium); color: var(--color-text-primary); }
.health-metric-value { font-size: var(--text-md); font-weight: var(--fw-bold); }

/* Status dot */
.status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 6px;
}

.status-dot-green { background: var(--color-success); }
.status-dot-amber { background: var(--color-warning); }
.status-dot-red { background: var(--color-danger); }

/* Grid with gap */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-6); }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: var(--sp-6); }

/* Report preview */
.report-preview {
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  padding: var(--sp-5);
  max-height: 320px;
  overflow-y: auto;
}

/* Tooltip */
[data-tooltip] { position: relative; }
[data-tooltip]:hover::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-text-primary);
  color: white;
  font-size: var(--text-sm);
  padding: 5px 10px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  pointer-events: none;
  z-index: 500;
}