:root {
  --bg: #0f1420;
  --bg-elevated: #161d2e;
  --card: #1b2438;
  --border: #2a3550;
  --text: #e6e9f2;
  --text-muted: #9aa4bd;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --accent-soft: rgba(59, 130, 246, 0.15);
  --danger: #ef4444;
  --success: #22c55e;
  --warning: #eab308;
  --radius: 14px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 15px;
  line-height: 1.5;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 28px;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
}

.topbar .brand { font-weight: 600; font-size: 16px; color: var(--text); }
.topbar nav { display: flex; gap: 20px; align-items: center; }
.topbar nav a { color: var(--text-muted); }
.topbar nav a:hover { color: var(--text); text-decoration: none; }

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 28px 20px 60px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  margin-bottom: 20px;
}

h1 { font-size: 22px; margin: 0 0 18px; }
h2 { font-size: 17px; margin: 0 0 14px; color: var(--text); }

.grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px 20px; }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.field { display: flex; flex-direction: column; gap: 6px; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: 13px; color: var(--text-muted); }

input, select, textarea {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 9px 11px;
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
}
textarea { resize: vertical; min-height: 70px; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--accent);
  color: white;
  border: none;
  border-radius: 8px;
  padding: 9px 16px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
}
.btn:hover { background: var(--accent-hover); text-decoration: none; }
.btn.secondary { background: transparent; border: 1px solid var(--border); color: var(--text); }
.btn.secondary:hover { border-color: var(--accent); background: var(--accent-soft); }
.btn.danger { background: transparent; border: 1px solid var(--danger); color: var(--danger); }
.btn.danger:hover { background: rgba(239, 68, 68, 0.12); }
.btn.small { padding: 5px 10px; font-size: 12px; }

.actions { display: flex; gap: 10px; margin-top: 16px; }

.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}
.badge.prospect { background: rgba(234, 179, 8, 0.15); color: var(--warning); }
.badge.client { background: rgba(34, 197, 94, 0.15); color: var(--success); }
.badge.termine { background: rgba(154, 164, 189, 0.15); color: var(--text-muted); }

.type-tag {
  font-size: 12px;
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 2px 9px;
}

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 11px 10px; border-bottom: 1px solid var(--border); font-size: 14px; }
th { color: var(--text-muted); font-weight: 500; font-size: 12px; text-transform: uppercase; letter-spacing: 0.03em; }
tr:last-child td { border-bottom: none; }
tbody tr:hover { background: rgba(255,255,255,0.02); }

.filters { display: flex; gap: 10px; margin-bottom: 20px; flex-wrap: wrap; }
.filters select, .filters input[type="text"] { min-width: 160px; }

.tabs {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 22px;
}
.tabs a {
  padding: 10px 18px;
  color: var(--text-muted);
  border-bottom: 2px solid transparent;
  font-size: 14px;
}
.tabs a:hover { text-decoration: none; color: var(--text); }
.tabs a.active { color: var(--accent); border-bottom-color: var(--accent); }

.header-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  gap: 14px;
  flex-wrap: wrap;
}

.statut-form { display: flex; gap: 10px; align-items: center; }
.statut-form select { min-width: 140px; }

.note {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
  margin-bottom: 10px;
}
.note-meta { font-size: 12px; color: var(--text-muted); margin-bottom: 6px; }

.doc-list { list-style: none; padding: 0; margin: 0 0 16px; }
.doc-list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}
.doc-list li:last-child { border-bottom: none; }
.doc-meta { font-size: 12px; color: var(--text-muted); }

.apprenant-row {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px;
  margin-bottom: 12px;
}
.apprenant-row .row-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }

.error-banner {
  background: rgba(239, 68, 68, 0.12);
  border: 1px solid var(--danger);
  color: #fca5a5;
  border-radius: 8px;
  padding: 10px 14px;
  margin-bottom: 16px;
  font-size: 14px;
}

.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.login-card { width: 100%; max-width: 380px; }
.login-card h1 { text-align: center; }

.muted { color: var(--text-muted); font-size: 13px; }
.empty-state { color: var(--text-muted); text-align: center; padding: 40px 0; }

@media (max-width: 720px) {
  .grid, .grid.cols-3 { grid-template-columns: 1fr; }
}