:root {
  --bleu: #1d4ed8;
  --bleu-clair: #eef2ff;
  --gris-texte: #1f2937;
  --gris-clair: #6b7280;
  --bordure: #e5e7eb;
  --rouge: #dc2626;
  --orange: #d97706;
  --vert: #16a34a;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: #ffffff;
  color: var(--gris-texte);
}

.app { display: flex; flex-direction: column; min-height: 100vh; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 32px;
  border-bottom: 1px solid var(--bordure);
  flex-wrap: wrap;
  gap: 12px;
}

.brand { display: flex; align-items: center; gap: 12px; }
.brand-icon { font-size: 30px; }
.brand h1 { margin: 0; font-size: 18px; }
.brand p { margin: 0; font-size: 12px; color: var(--gris-clair); }

.tabs { display: flex; gap: 4px; flex-wrap: wrap; }
.tab-btn {
  border: none;
  background: transparent;
  padding: 10px 16px;
  font-size: 14px;
  color: var(--gris-clair);
  cursor: pointer;
  border-radius: 8px;
  font-weight: 500;
  text-decoration: none;
}
.tab-btn:hover { background: var(--bleu-clair); color: var(--bleu); }
.tab-btn.active { background: var(--bleu); color: #fff; }

main { flex: 1; padding: 28px 32px; max-width: 1200px; width: 100%; margin: 0 auto; }

.panel-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
  flex-wrap: wrap;
  gap: 10px;
}
.panel-toolbar h2 { margin: 0; font-size: 18px; }

.btn {
  border: none;
  border-radius: 8px;
  padding: 10px 16px;
  font-size: 14px;
  cursor: pointer;
  font-weight: 600;
  text-decoration: none;
  display: inline-block;
}
.btn-primary { background: var(--bleu); color: #fff; }
.btn-primary:hover { background: #1741b0; }
.btn-secondary { background: #f3f4f6; color: var(--gris-texte); border: 1px solid var(--bordure); }
.btn-secondary:hover { background: #e5e7eb; }
.btn-danger { background: #fee2e2; color: var(--rouge); border: 1px solid #fecaca; }
.btn-danger:hover { background: #fecaca; }

.badge {
  font-size: 11px;
  font-weight: 700;
  padding: 3px 9px;
  border-radius: 999px;
  text-transform: uppercase;
}
.badge-ok { background: #dcfce7; color: var(--vert); }
.badge-low { background: #fef3c7; color: var(--orange); }
.badge-error { background: #fee2e2; color: var(--rouge); }
.badge-unknown { background: #f3f4f6; color: var(--gris-clair); }

table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--bordure); }
th { color: var(--gris-clair); font-weight: 600; font-size: 12px; text-transform: uppercase; }
tr.row-low { background: #fef3c7; }
tr.row-error { background: #fee2e2; }

.card {
  background: #ffffff;
  border: 1px solid var(--bordure);
  border-radius: 12px;
  padding: 20px 24px;
  margin-bottom: 18px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px 20px;
  max-width: 720px;
}
.form-grid.narrow { grid-template-columns: 1fr; max-width: 420px; }
.form-grid h3 { grid-column: 1 / -1; margin: 6px 0 0 0; font-size: 14px; color: var(--gris-clair); text-transform: uppercase; }
.form-grid label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; }
.form-grid input[type="text"],
.form-grid input[type="number"],
.form-grid input[type="email"],
.form-grid input[type="password"],
.form-grid select {
  padding: 9px 10px;
  border: 1px solid var(--bordure);
  border-radius: 8px;
  font-size: 14px;
}
.checkbox-label { flex-direction: row !important; align-items: center; gap: 8px !important; }
.form-actions { grid-column: 1 / -1; display: flex; gap: 10px; margin-top: 6px; }
.form-msg { grid-column: 1 / -1; font-size: 13px; margin: 0; }
.form-msg.ok { color: var(--vert); }
.form-msg.err { color: var(--rouge); }

.meta-line { font-size: 13px; color: var(--gris-clair); margin: 4px 0; }
.meta-line b { color: var(--gris-texte); }

.alert-box {
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 14px;
  margin-bottom: 18px;
}
.alert-ok { background: #dcfce7; color: #065f46; }
.alert-err { background: #fee2e2; color: #991b1b; }

.login-wrap {
  max-width: 360px;
  margin: 80px auto;
  padding: 0 20px;
}

code {
  background: #f3f4f6;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 13px;
}