:root {
  --bg: #f4f6fb;
  --surface: #ffffff;
  --border: #e2e6ee;
  --text: #1f2430;
  --text-muted: #6b7280;
  --primary: #2f5df6;
  --primary-dark: #1f44c9;
  --danger: #dc3545;
  --danger-dark: #b02a37;
  --success: #1f9d55;
  --radius: 10px;
  --shadow: 0 1px 3px rgba(16, 24, 40, 0.08);
  --shadow-lg: 0 8px 24px rgba(16, 24, 40, 0.1);
}

* {
  box-sizing: border-box;
}

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

a {
  color: var(--primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* --- Layout --- */
.layout {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 230px;
  background: var(--surface);
  border-right: 1px solid var(--border);
  padding: 20px 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  position: sticky;
  top: 0;
  height: 100vh;
}

.sidebar .brand {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 20px;
  padding: 0 10px;
  color: var(--text);
}

.sidebar .nav-link {
  display: block;
  padding: 10px 12px;
  border-radius: var(--radius);
  color: var(--text);
  font-weight: 500;
}

.sidebar .nav-link:hover {
  background: var(--bg);
  text-decoration: none;
}

.sidebar .nav-link.active {
  background: var(--primary);
  color: #fff;
}

.sidebar .spacer {
  flex: 1;
}

.sidebar .logout-btn {
  margin-top: 8px;
  background: none;
  border: 1px solid var(--border);
  padding: 10px 12px;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 14px;
  color: var(--text-muted);
  text-align: left;
}

.sidebar .logout-btn:hover {
  color: var(--danger);
  border-color: var(--danger);
}

.main {
  flex: 1;
  padding: 28px 36px;
  max-width: 1100px;
}

/* --- Typo / titres --- */
h1 {
  font-size: 24px;
  margin: 0 0 4px;
}

.subtitle {
  color: var(--text-muted);
  margin: 0 0 24px;
}

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

.card h2 {
  font-size: 18px;
  margin: 0 0 16px;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 6px;
  font-size: 14px;
}

.form-group input {
  width: 100%;
  max-width: 420px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 14px;
  background: #fff;
}

.form-group input:focus {
  outline: 2px solid var(--primary);
  outline-offset: -1px;
  border-color: transparent;
}

/* --- Boutons --- */
.btn {
  display: inline-block;
  border: none;
  border-radius: var(--radius);
  padding: 10px 18px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  background: var(--primary);
  color: #fff;
  transition: background 0.15s ease;
}

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

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

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

.btn-link {
  background: none;
  border: 1px solid var(--border);
  color: var(--text);
}

.btn-link:hover {
  background: var(--bg);
}

/* --- Tableau --- */
.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

th,
td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  font-size: 14px;
}

th {
  background: #fafbfd;
  font-weight: 600;
  color: var(--text-muted);
  white-space: nowrap;
}

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

td .code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px;
  background: var(--bg);
  padding: 2px 6px;
  border-radius: 4px;
  word-break: break-all;
}

/* --- Alerts --- */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: 14px;
  margin-bottom: 16px;
  display: none;
}

.alert.show {
  display: block;
}

.alert-success {
  background: #e6f7ee;
  color: var(--success);
  border: 1px solid #b7e6cc;
}

.alert-error {
  background: #fdecec;
  color: var(--danger);
  border: 1px solid #f5c6cb;
}

/* --- Page login --- */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.login-card {
  width: 100%;
  max-width: 380px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 32px;
}

.login-card h1 {
  margin: 0 0 4px;
}

.login-card .subtitle {
  margin-bottom: 24px;
}

/* --- Actions en ligne --- */
.inline-actions {
  display: flex;
  gap: 8px;
}

.empty {
  text-align: center;
  color: var(--text-muted);
  padding: 24px;
}

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}

/* --- Badge --- */
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}

/* --- Copy button --- */
.copy-btn {
  background: none;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 4px 8px;
  cursor: pointer;
  font-size: 12px;
  color: var(--text-muted);
  transition: all 0.15s ease;
}

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

/* --- Inline code --- */
code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 13px;
  background: var(--bg);
  padding: 2px 6px;
  border-radius: 4px;
}

/* --- Stats grid --- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

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

.stat-card .stat-label {
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 500;
  margin-bottom: 4px;
}

.stat-card .stat-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--text);
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .layout {
    flex-direction: column;
  }
  .sidebar {
    width: 100%;
    height: auto;
    position: static;
    flex-direction: row;
    flex-wrap: wrap;
    padding: 12px;
    gap: 8px;
  }
  .sidebar .spacer {
    display: none;
  }
  .main {
    padding: 20px 16px;
  }
  .stats-grid {
    grid-template-columns: 1fr;
  }
}