:root {
  --bg: #ffffff;
  --fg: #1f2937;
  --muted: #6b7280;
  --border: #e5e7eb;
  --surface: #f8fafc;
  /* Rose Inwi Officiel */
  --primary: #AD2184;
  --primary-600: #8a1a6a;
  --accent: #EF5DA8;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #dc2626;
  --chip-green: #10b981;
  --chip-orange: #f59e0b;
  --chip-red: #ef4444;
  --table-stripe: #fafafa;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b0f14;
    --fg: #e5e7eb;
    --muted: #9ca3af;
    --border: #253445;
    --surface: #101826;
    --primary: #AD2184;
    --primary-600: #C22694;
    --accent: #f284c0;
    --chip-green: #34d399;
    --chip-orange: #fbbf24;
    --chip-red: #f87171;
    --table-stripe: #0f1522;
  }
}

* {
  box-sizing: border-box;
}

html, body {
  height: 100%;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.45;
}

.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 20px;
}

/* Le Ruban (Ribbon) */
.brand-bar {
  background: var(--primary);
  color: #fff;
  padding: 10px 0;
}

.brand-row {
  display: flex;
  align-items: center;
  gap: 16px;
  justify-content: space-between;
}

.brand-left {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-logo img {
  display: block;
  height: 36px;
  width: auto;
}

.brand-title {
  font-size: 20px;
  font-weight: 700;
  margin: 0;
}

.brand-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

a {
  color: var(--accent);
}

a:visited {
  color: var(--accent);
}

a:hover {
  text-decoration: underline;
}

a.button, button.button {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  background: var(--primary);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  transition: transform .05s, filter .15s;
}

a.button:hover, button.button:hover {
  filter: brightness(1.03);
}

a.button:active, button.button:active {
  transform: translateY(1px);
}

a.button.secondary, button.button.secondary {
  background: var(--primary-600);
}

a.button.danger, button.button.danger {
  background: var(--danger);
}

a.button.outline, button.button.outline {
  background: transparent;
  color: var(--primary);
  border: 1px solid var(--primary);
}

.brand-actions .button.outline {
  color: #fff;
  border-color: #ffffff77;
}

button:not(.button), input[type=submit] {
  background: var(--primary);
  color: #fff;
  border: 1px solid var(--primary);
  padding: 8px 12px;
  border-radius: 8px;
}

.toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin: 10px 0 14px;
}

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

input[type=search], input[type=text], input[type=date], input[type=number], select, textarea {
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--fg);
}

input[type=search] {
  min-width: 260px;
}

input:focus, textarea:focus, select:focus {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.flash {
  padding: 10px 12px;
  border-radius: 8px;
  margin: 12px 0;
  border: 1px solid transparent;
}

.flash.success {
  background: #ecfdf5;
  color: #065f46;
  border-color: #a7f3d0;
}

.flash.error {
  background: #fef2f2;
  color: #991b1b;
  border-color: #fecaca;
}

header.app-header {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: space-between;
  margin-bottom: 8px;
}

h1, h2 {
  line-height: 1.2;
  margin: 0 0 8px;
}

.section {
  margin-top: 16px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

@media (max-width: 900px) {
  .grid {
    grid-template-columns: 1fr;
  }
}

.field label {
  display: block;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--fg);
}

.cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin: 8px 0;
}

.card {
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface);
  padding: 10px;
}

.table-wrap {
  width: 100%;
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg);
}

table.table {
  border-collapse: collapse;
  width: 100%;
  min-width: 960px;
}

.table thead th {
  position: sticky;
  top: 0;
  z-index: 1;
  background: var(--surface);
  text-align: left;
  padding: 10px;
  border-bottom: 1px solid var(--border);
}

.table tbody td {
  padding: 10px;
  border-bottom: 1px solid var(--border);
}

.table tbody tr:nth-child(even) {
  background: var(--table-stripe);
}

.table tbody tr:hover {
  background: rgba(173, 33, 132, 0.06);
}

.actions {
  display: flex;
  gap: 8px;
  align-items: center;
}

.badge {
  display: inline-block;
  padding: 2px 8px;
  font-weight: 700;
  border-radius: 999px;
  color: #fff;
  font-size: 12px;
  background: #6b7280;
}

.badge.green {
  background: var(--chip-green);
}

.badge.orange {
  background: var(--chip-orange);
}

.badge.red {
  background: var(--chip-red);
}

.kpis {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin: 8px 0 16px;
}

.kpi {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  min-width: 140px;
}

.gantt-figure {
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg);
  padding: 8px;
  overflow: auto;
}

.gantt-figure img {
  max-width: 100%;
  height: auto;
  display: block;
}

.muted {
  color: var(--muted);
  font-size: 13px;
}

.actions-row {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-top: 10px;
}

@media print {
  .brand-bar, .toolbar, .flash {
    display: none !important;
  }
  .gantt-figure {
    border: none;
    padding: 0;
  }
  .table thead th {
    position: static;
  }
}