/* ============================================
   PRÉSENCE — Charte commune
   ============================================ */

:root {
  --bg: #F2F7FB;
  --surface: #FFFFFF;
  --ink: #1D2E38;
  --ink-70: rgba(29, 46, 56, 0.7);
  --ink-50: rgba(29, 46, 56, 0.5);
  --ink-30: rgba(29, 46, 56, 0.3);
  --ink-10: rgba(29, 46, 56, 0.1);
  --ink-06: rgba(29, 46, 56, 0.06);
  --border: rgba(29, 46, 56, 0.08);
  --success: #059669;
  --success-bg: rgba(5, 150, 105, 0.08);
  --danger: #DC2626;
  --danger-bg: rgba(220, 38, 38, 0.08);
  --warning: #B45309;
  --warning-bg: rgba(180, 83, 9, 0.08);

  --font-display: 'Bricolage Grotesque', serif;
  --font-body: 'Geist', sans-serif;

  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 16px;

  --shadow-sm: 0 1px 2px rgba(29, 46, 56, 0.04), 0 1px 1px rgba(29, 46, 56, 0.02);
  --shadow: 0 4px 12px rgba(29, 46, 56, 0.04), 0 1px 2px rgba(29, 46, 56, 0.02);
  --shadow-lg: 0 12px 32px rgba(29, 46, 56, 0.08), 0 2px 8px rgba(29, 46, 56, 0.04);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0;
}

a { color: inherit; text-decoration: none; }

button { font-family: inherit; cursor: pointer; }

/* ============================================
   LAYOUT
   ============================================ */

.app {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: 100vh;
}

.sidebar {
  background: var(--surface);
  border-right: 1px solid var(--border);
  padding: 28px 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  position: sticky;
  top: 0;
  height: 100vh;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 12px 28px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 20px;
}

.brand-mark {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--ink);
  display: grid;
  place-items: center;
  color: var(--surface);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
}

.brand-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 17px;
  letter-spacing: -0.02em;
}

.nav-section {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-50);
  padding: 16px 12px 8px;
  font-weight: 500;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  color: var(--ink-70);
  font-size: 14px;
  transition: all 0.15s;
  cursor: pointer;
}

.nav-item:hover {
  background: var(--ink-06);
  color: var(--ink);
}

.nav-item.active {
  background: var(--ink);
  color: var(--surface);
}

.nav-item svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.main {
  padding: 32px 40px;
  max-width: 1400px;
  width: 100%;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 32px;
}

.page-title {
  font-size: 30px;
  font-weight: 600;
  letter-spacing: -0.025em;
}

.page-subtitle {
  color: var(--ink-50);
  font-size: 14px;
  margin-top: 4px;
}

.user-chip {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 14px 6px 6px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 100px;
}

.user-chip-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--ink);
  color: var(--surface);
  display: grid;
  place-items: center;
  font-size: 12px;
  font-weight: 600;
}

/* ============================================
   COMPOSANTS
   ============================================ */

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.card-title {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.015em;
}

/* KPI cards */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.kpi {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 24px;
}

.kpi-label {
  font-size: 12px;
  color: var(--ink-50);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 500;
  margin-bottom: 12px;
}

.kpi-value {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1;
}

.kpi-value sup {
  font-size: 18px;
  color: var(--ink-50);
  font-weight: 500;
  margin-left: 4px;
}

.kpi-delta {
  font-size: 12px;
  color: var(--ink-50);
  margin-top: 8px;
}

/* Boutons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  border: 1px solid transparent;
  transition: all 0.15s;
  background: transparent;
  color: var(--ink);
  white-space: nowrap;
}

.btn svg { width: 16px; height: 16px; }

.btn-primary {
  background: var(--ink);
  color: var(--surface);
}
.btn-primary:hover { opacity: 0.9; }

.btn-success {
  background: var(--success);
  color: var(--surface);
}
.btn-success:hover { opacity: 0.9; }

.btn-secondary {
  background: var(--surface);
  border-color: var(--border);
  color: var(--ink);
}
.btn-secondary:hover { background: var(--ink-06); }

.btn-ghost {
  color: var(--ink-70);
}
.btn-ghost:hover { background: var(--ink-06); color: var(--ink); }

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

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

/* Badges/pills */
.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border-radius: 100px;
  font-size: 11px;
  font-weight: 500;
  background: var(--ink-06);
  color: var(--ink-70);
}

.pill-success { background: var(--success-bg); color: var(--success); }
.pill-danger { background: var(--danger-bg); color: var(--danger); }
.pill-warning { background: var(--warning-bg); color: var(--warning); }

.pill-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

/* Tables */
.table {
  width: 100%;
  border-collapse: collapse;
}

.table th {
  text-align: left;
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-50);
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}

.table td {
  padding: 16px;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}

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

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

.table-compact {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
}

/* Forms */
.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}

.field-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--ink-70);
  letter-spacing: 0.01em;
}

.field-hint {
  font-size: 12px;
  color: var(--ink-50);
}

.input, .select, .textarea {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-family: inherit;
  font-size: 14px;
  color: var(--ink);
  transition: border-color 0.15s, box-shadow 0.15s;
  width: 100%;
}

.input:focus, .select:focus, .textarea:focus {
  outline: none;
  border-color: var(--ink);
  box-shadow: 0 0 0 3px var(--ink-06);
}

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

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* Tabs */
.tabs {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 24px;
}

.tab {
  padding: 12px 16px;
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-50);
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: all 0.15s;
  margin-bottom: -1px;
}

.tab:hover { color: var(--ink); }

.tab.active {
  color: var(--ink);
  border-bottom-color: var(--ink);
}

/* Decorative accent line */
.accent-line {
  width: 40px;
  height: 2px;
  background: var(--ink);
  margin-bottom: 12px;
}

/* Empty state */
.empty {
  text-align: center;
  padding: 48px 24px;
  color: var(--ink-50);
}

/* Helpers */
.flex { display: flex; }
.flex-1 { flex: 1; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.flex-end { display: flex; justify-content: flex-end; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }
.mt-2 { margin-top: 8px; }
.mt-4 { margin-top: 16px; }
.mt-6 { margin-top: 24px; }
.mb-2 { margin-bottom: 8px; }
.mb-4 { margin-bottom: 16px; }
.mb-6 { margin-bottom: 24px; }
.text-sm { font-size: 13px; }
.text-xs { font-size: 12px; }
.text-muted { color: var(--ink-50); }
.text-strong { color: var(--ink); font-weight: 500; }
.fw-500 { font-weight: 500; }
.fw-600 { font-weight: 600; }