:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --surface-2: #f9fafb;
  --text: #111827;
  --muted: #6b7280;
  --border: #e5e7eb;
  --border-strong: #d1d5db;
  --accent: #1c7f8f;
  --accent-hover: #176a78;
  --accent-soft: rgba(51, 162, 161, 0.12);
  --accent-text: #ffffff;
  --error: #b91c1c;
  --error-soft: #fef2f2;
  --success: #15803d;
  --success-soft: #f0fdf4;
  --info: #0369a1;
  --info-soft: #f0f9ff;
  --neutral-soft: #f3f4f6;
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.04), 0 8px 24px rgba(16, 24, 40, 0.06);
  --radius: 12px;
  --brand-gradient: linear-gradient(90deg, #44cfa2 0%, #2b939f 50%, #1b569c 100%);
  --button-gradient: linear-gradient(90deg, #1c7f8f, #1b4f94);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b0d12;
    --surface: #14171f;
    --surface-2: #191d27;
    --text: #e5e7eb;
    --muted: #9ca3af;
    --border: #262b36;
    --border-strong: #353b48;
    --accent: #4cc9b0;
    --accent-hover: #7ad8c5;
    --accent-soft: rgba(76, 201, 176, 0.14);
    --accent-text: #0b0d12;
    --error: #f87171;
    --error-soft: rgba(248, 113, 113, 0.12);
    --success: #4ade80;
    --success-soft: rgba(74, 222, 128, 0.12);
    --info: #38bdf8;
    --info-soft: rgba(56, 189, 248, 0.12);
    --neutral-soft: rgba(156, 163, 175, 0.12);
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 8px 24px rgba(0, 0, 0, 0.35);
    --brand-gradient: linear-gradient(90deg, #5be0b3 0%, #3fb6c0 50%, #5b9be6 100%);
    --button-gradient: linear-gradient(90deg, #4cc9b0, #5b9be6);
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

[hidden] { display: none !important; }

/* --- Page de connexion --- */
body.auth {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  background:
    radial-gradient(1200px 600px at 50% -10%, var(--accent-soft), transparent 70%),
    var(--bg);
}

.card {
  width: 100%;
  max-width: 420px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 36px 32px 32px;
  box-shadow: var(--shadow);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--text);
  text-decoration: none;
}

.brand-logo {
  width: 32px;
  height: 32px;
  object-fit: contain;
}

.brand-name {
  font-size: 1.05rem;
  letter-spacing: 0.02em;
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.logo-full {
  display: block;
  width: 140px;
  height: auto;
  margin: 0 auto 28px;
}

.card h1,
.card .subtitle { text-align: center; }

h1 {
  margin: 0;
  font-size: 1.4rem;
  font-weight: 650;
  letter-spacing: -0.01em;
}

.subtitle {
  margin: 6px 0 24px;
  color: var(--muted);
  font-size: 0.92rem;
}

label {
  display: block;
  margin-bottom: 16px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text);
}

input,
select {
  display: block;
  width: 100%;
  margin-top: 6px;
  padding: 10px 12px;
  font: inherit;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  transition: border-color 0.15s, box-shadow 0.15s;
}

input:focus,
select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

button,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 16px;
  font: inherit;
  font-weight: 600;
  color: var(--accent-text);
  background: var(--accent);
  border: 1px solid transparent;
  border-radius: 8px;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}

button:hover,
.btn:hover { background: var(--accent-hover); }

form button[type="submit"] { background: var(--button-gradient); }
form button[type="submit"]:hover { filter: brightness(1.08); }

button:focus-visible,
.btn:focus-visible,
a:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px var(--accent-soft);
}

form button[type="submit"] {
  width: 100%;
  margin-top: 8px;
  padding: 11px;
}

.btn-secondary {
  padding: 8px 14px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border-strong);
}

.btn-secondary:hover {
  background: var(--surface-2);
  border-color: var(--muted);
}

.error,
.success {
  margin: 0 0 16px;
  padding: 10px 12px;
  font-size: 0.88rem;
  border-radius: 8px;
}

.error { color: var(--error); background: var(--error-soft); }
.success { color: var(--success); background: var(--success-soft); }

/* --- Pages de l'application --- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.topbar-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  max-width: 1100px;
  margin: 0 auto;
  padding: 12px 16px;
}

.nav {
  display: flex;
  gap: 4px;
  flex: 1;
}

.nav a {
  padding: 6px 12px;
  border-radius: 8px;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
}

.nav a:hover { color: var(--text); background: var(--surface-2); }
.nav a[aria-current="page"] { color: var(--accent); background: var(--accent-soft); }

.page {
  max-width: 1100px;
  margin: 0 auto;
  padding: 32px 16px 48px;
}

.page-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 24px;
}

.page-header .subtitle { margin-bottom: 0; }

.filters {
  display: flex;
  align-items: flex-end;
  gap: 10px;
}

.filters label { margin: 0; min-width: 220px; }
.filters .grow { min-width: 280px; }

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}

.panel-header h2 {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
}

.panel-count {
  color: var(--muted);
  font-size: 0.85rem;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

@media (max-width: 860px) {
  .grid-2 { grid-template-columns: 1fr; }
}

.table-wrap { overflow-x: auto; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

th, td {
  text-align: left;
  padding: 11px 20px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

th {
  background: var(--surface-2);
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

tbody tr:last-child td { border-bottom: none; }
tbody tr:hover td { background: var(--surface-2); }

th.num, td.num { text-align: right; font-variant-numeric: tabular-nums; }
td.muted { color: var(--muted); white-space: nowrap; }
td.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.82rem; }
td.strong { font-weight: 600; }
td.ua {
  max-width: 280px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--muted);
}

.empty {
  margin: 0;
  padding: 32px 20px;
  text-align: center;
  color: var(--muted);
}

/* Badges d'événement */
.ev-success,
.ev-failure,
.ev-logout,
.ev-open {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  white-space: nowrap;
}

.ev-success { color: var(--success); background: var(--success-soft); }
.ev-failure { color: var(--error); background: var(--error-soft); }
.ev-logout { color: var(--muted); background: var(--neutral-soft); }
.ev-open { color: var(--info); background: var(--info-soft); }

@media (max-width: 640px) {
  .topbar-inner { gap: 12px; }
  .brand-name { display: none; }
  .filters { flex-wrap: wrap; width: 100%; }
  .filters label, .filters .grow { min-width: 0; flex: 1 1 100%; }
  th, td { padding: 10px 14px; }
}