:root {
  --color-bg: #f6f7fb;
  --color-surface: #ffffff;
  --color-text: #1a1d29;
  --color-text-muted: #6b7280;
  --color-border: #e5e7eb;
  --color-primary: #4f46e5;
  --color-primary-dark: #4338ca;
  --color-primary-light: #eef2ff;
  --color-danger: #dc2626;
  --color-danger-light: #fef2f2;
  --color-success: #16a34a;
  --color-success-light: #ecfdf5;
  --color-info: #2563eb;
  --color-info-light: #eff6ff;
  --color-warning: #b45309;
  --color-warning-light: #fffbeb;
  --radius: 12px;
  --shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.06);
  --shadow-md: 0 4px 16px rgba(16, 24, 40, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  -webkit-font-smoothing: antialiased;
}

main {
  max-width: 960px;
  margin: 0 auto;
  padding: 32px 24px 64px;
}

main.page-wide {
  max-width: 1440px;
}

h1 {
  font-size: 1.7em;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 20px;
}

h2 {
  font-size: 1.05em;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin: 32px 0 12px;
}

/* Auth screen */
.auth-shell {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(circle at 15% 20%, rgba(79, 70, 229, 0.16), transparent 40%),
    radial-gradient(circle at 85% 80%, rgba(79, 70, 229, 0.12), transparent 40%),
    var(--color-bg);
}

.auth-box {
  width: 100%;
  max-width: 380px;
  margin: 24px;
  background: var(--color-surface);
  padding: 40px 36px;
  border-radius: 16px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
}

.auth-logo {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--color-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3em;
  margin-bottom: 20px;
}

.auth-box h1 {
  font-size: 1.4em;
  margin-bottom: 4px;
}

.auth-subtitle {
  color: var(--color-text-muted);
  font-size: 0.92em;
  margin: 0 0 24px;
}

/* Top nav */
.nav {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 14px 28px;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.nav .brand {
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-right: auto;
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav .brand::before {
  content: "";
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 3px;
  background: var(--color-primary);
}

.nav a {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 0.92em;
  font-weight: 500;
  padding: 6px 10px;
  border-radius: 8px;
  transition: background 0.15s, color 0.15s;
}

.nav a:hover {
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
}

.nav-user {
  color: var(--color-text-muted);
  font-size: 0.85em;
  background: var(--color-bg);
  padding: 5px 12px;
  border-radius: 999px;
  border: 1px solid var(--color-border);
}

/* Cards / sections */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 24px;
  margin-bottom: 24px;
}

.page-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.page-header h1 {
  margin-bottom: 4px;
}

.status-line {
  color: var(--color-text-muted);
  margin: 0 0 16px;
}

.info-note {
  display: inline-block;
  background: var(--color-info-light);
  color: var(--color-info);
  border-radius: var(--radius);
  padding: 8px 14px;
  font-size: 0.85em;
  font-weight: 600;
  margin: 0 0 20px;
}

.month-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin-bottom: 20px;
}

.month-label {
  font-weight: 700;
  min-width: 160px;
  text-align: center;
}

.hours-compare {
  display: flex;
  flex-direction: column;
  gap: 2px;
  white-space: nowrap;
}

.hours-label {
  display: inline-block;
  min-width: 42px;
  color: var(--color-text-muted);
  font-size: 0.78em;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.status-line strong {
  color: var(--color-text);
}

.hours-paid-total {
  margin-top: 4px;
  padding-top: 4px;
  border-top: 1px dashed var(--color-border);
  color: var(--color-success);
  font-weight: 700;
}

.hours-paid-total .hours-label {
  color: var(--color-success);
}

/* Calendrier par salarie */
.calendar-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 20px;
  margin-bottom: 20px;
}

.calendar-card h3 {
  margin: 0 0 12px;
}

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

.calendar-weekday {
  font-size: 0.78em;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--color-text-muted);
  text-align: center;
  padding-bottom: 4px;
}

.calendar-day {
  border: 1px solid var(--color-border);
  border-radius: 6px;
  min-height: 56px;
  padding: 4px 6px;
}

.calendar-day-majoration {
  font-size: 0.72em;
  font-weight: 600;
  line-height: 1.3;
  margin-top: 3px;
}

.calendar-day-majoration.majoration-tier1 {
  color: var(--color-warning);
}

.calendar-day-majoration.majoration-tier2 {
  color: var(--color-danger);
}

.calendar-day-majoration.majoration-holiday {
  color: var(--color-info);
}

.calendar-day-outside {
  opacity: 0.35;
}

.calendar-day-holiday {
  background: rgba(59, 130, 246, 0.08);
  border-color: rgba(59, 130, 246, 0.3);
}

.calendar-day-number {
  font-size: 0.78em;
  color: var(--color-text-muted);
}

.calendar-day-hours {
  font-weight: 600;
  margin-top: 4px;
}

/* Stat cards */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 16px;
  margin-bottom: 28px;
}

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

.stat-card .stat-value {
  font-size: 1.6em;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.stat-card .stat-label {
  color: var(--color-text-muted);
  font-size: 0.85em;
  margin-top: 2px;
}

.stat-card .stat-sublabel {
  color: var(--color-warning);
  font-size: 0.8em;
  font-weight: 600;
  margin-top: 4px;
}

.stat-link {
  display: block;
  text-decoration: none;
  color: inherit;
}

/* Forms */
form label {
  display: block;
  margin-bottom: 14px;
  font-size: 0.88em;
  font-weight: 500;
  color: var(--color-text-muted);
}

form input,
form select {
  display: block;
  width: 100%;
  padding: 10px 12px;
  margin-top: 6px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  font-size: 1em;
  background: var(--color-bg);
  transition: border-color 0.15s, box-shadow 0.15s;
}

form input:focus,
form select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
  background: var(--color-surface);
}

.inline-fields {
  display: flex;
  gap: 16px;
  align-items: flex-end;
  flex-wrap: wrap;
  margin: 0;
}

.inline-fields label {
  margin-bottom: 0;
  flex: 1 1 200px;
}

.inline-form {
  display: inline;
}

/* Buttons */
button, .btn {
  display: inline-block;
  cursor: pointer;
  border: none;
  border-radius: 8px;
  padding: 10px 18px;
  font-size: 0.95em;
  font-weight: 600;
  background: var(--color-primary);
  color: #fff;
  text-decoration: none;
  transition: background 0.15s, transform 0.05s;
}

button:hover, .btn:hover {
  background: var(--color-primary-dark);
}

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

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

.btn-danger:hover {
  background: #b91c1c;
}

.btn-success {
  background: var(--color-success);
}

.btn-success:hover {
  background: #15803d;
}

.btn-secondary {
  background: var(--color-surface);
  color: var(--color-primary);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover {
  background: var(--color-primary-light);
}

.btn-sm {
  padding: 6px 12px;
  font-size: 0.85em;
}

.btn-lg {
  padding: 14px 24px;
  font-size: 1.05em;
}

.clock-in-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.planning-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 16px;
}

table input[type="checkbox"] {
  width: 20px;
  height: 20px;
  cursor: pointer;
}

.link-button {
  background: none;
  color: var(--color-text-muted);
  padding: 6px 10px;
  font-weight: 500;
  text-decoration: none;
  border-radius: 8px;
}

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

/* Tables */
.table-wrap {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow-x: auto;
  overflow-y: hidden;
  box-shadow: var(--shadow-sm);
}

table {
  width: 100%;
  border-collapse: collapse;
}

th {
  text-align: left;
  font-size: 0.78em;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
  padding: 12px 20px;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

td {
  padding: 14px 20px;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.94em;
}

tbody tr:last-child td {
  border-bottom: none;
}

.table-compact th,
.table-compact td {
  padding: 10px 12px;
}

.table-compact .hours-compare {
  white-space: normal;
}

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

td a {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9em;
}

td a:hover {
  text-decoration: underline;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 12px;
  border-radius: 999px;
  font-size: 0.8em;
  font-weight: 600;
}

.badge::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
}

.badge-success {
  background: var(--color-success-light);
  color: var(--color-success);
}

.badge-success::before {
  background: var(--color-success);
}

.badge-neutral {
  background: var(--color-bg);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
}

.badge-neutral::before {
  background: var(--color-text-muted);
}

.badge-info {
  background: var(--color-info-light);
  color: var(--color-info);
}

.badge-info::before {
  background: var(--color-info);
}

.badge-danger {
  background: var(--color-danger-light);
  color: var(--color-danger);
}

.badge-danger::before {
  background: var(--color-danger);
}

.badge-warning {
  background: var(--color-warning-light);
  color: var(--color-warning);
}

.badge-warning::before {
  background: var(--color-warning);
}

.badge-accent {
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
}

.badge-accent::before {
  background: var(--color-primary);
}

/* Flash messages */
.flash {
  padding: 12px 16px;
  border-radius: 10px;
  margin-bottom: 20px;
  font-size: 0.92em;
  font-weight: 500;
}

.flash-error {
  background: var(--color-danger-light);
  color: var(--color-danger);
}

.flash-success {
  background: var(--color-success-light);
  color: var(--color-success);
}

.back-link {
  display: inline-block;
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 0.9em;
  font-weight: 500;
  margin-bottom: 16px;
}

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

.empty-state {
  text-align: center;
  color: var(--color-text-muted);
  padding: 32px 20px !important;
}

@media (max-width: 640px) {
  main {
    padding: 16px 12px 48px;
  }

  h1 {
    font-size: 1.4em;
  }

  .nav {
    flex-wrap: wrap;
    gap: 8px 14px;
    padding: 10px 14px;
  }

  .nav .brand {
    width: 100%;
    margin-right: 0;
  }

  .nav-user {
    order: 1;
    margin-left: auto;
  }

  .inline-fields {
    flex-direction: column;
    align-items: stretch;
  }

  .inline-fields label {
    flex: none;
  }

  .clock-in-actions {
    flex-direction: column;
  }

  .btn-block-mobile {
    width: 100%;
    text-align: center;
  }

  .stat-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .calendar-grid {
    gap: 2px;
  }

  .calendar-day {
    min-height: 40px;
    padding: 2px 3px;
  }

  .calendar-day-hours {
    font-size: 0.82em;
  }

  /* Card-style tables */
  .table-wrap {
    background: none;
    border: none;
    box-shadow: none;
    overflow: visible;
  }

  table, thead, tbody, th, tr, td {
    display: block;
  }

  thead {
    display: none;
  }

  tbody tr {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    padding: 12px 16px;
    margin-bottom: 12px;
  }

  tbody tr:hover {
    background: var(--color-surface);
  }

  td {
    padding: 6px 0;
    border: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    text-align: right;
  }

  td[data-label=""] {
    justify-content: flex-end;
  }

  td::before {
    content: attr(data-label);
    font-size: 0.72em;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--color-text-muted);
    text-align: left;
  }

  td[data-label=""]::before {
    content: none;
  }

  .empty-state {
    text-align: center !important;
    justify-content: center !important;
  }

  .empty-state::before {
    content: none;
  }
}