:root {
  --bg: #f5f6f8;
  --card: #ffffff;
  --text: #1c1e21;
  --muted: #6b7280;
  --border: #e2e4e9;
  --accent: #2563eb;
  --accent-dark: #1d4ed8;
  --danger: #dc2626;
  --warn-bg: #fff7ed;
  --warn-border: #fdba74;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  /* Police explicite (Inter, chargée via Google Fonts) : "system-ui" hérite sinon de la police
     choisie par l'utilisateur dans les réglages de son téléphone (ex: police "manuscrite" sur
     certains Android/MIUI), ce qui rend l'appli illisible sans qu'on puisse le prévoir. */
  font-family: 'Inter', Arial, Helvetica, sans-serif;
  background: var(--bg);
  color: var(--text);
  -webkit-text-size-adjust: 100%;
}

nav {
  background: var(--card);
  border-bottom: 1px solid var(--border);
}

.nav-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
}

.nav-toggle {
  display: none;
  border: 1px solid var(--border);
  background: transparent;
  border-radius: 6px;
  font-size: 18px;
  padding: 4px 10px;
  cursor: pointer;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 0 16px 10px;
  flex-wrap: wrap;
}

nav .brand { font-weight: 700; }
nav a, nav button {
  color: var(--text);
  text-decoration: none;
  padding: 10px 12px;
  border-radius: 6px;
  font-size: 14px;
  border: none;
  background: transparent;
  cursor: pointer;
  font-family: inherit;
}
nav a:hover, nav button:hover { background: var(--bg); }
nav .spacer { flex: 1; }
nav .nav-email { padding: 10px 4px; }

@media (max-width: 640px) {
  .nav-toggle { display: block; }
  .nav-links {
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 4px 8px 12px;
  }
  .nav-links.open { display: flex; }
  .nav-links a, .nav-links button { text-align: left; padding: 12px; }
  .nav-links .spacer { display: none; }
  .nav-links form { width: 100%; }
  .nav-links form button { width: 100%; text-align: left; }
}

main { max-width: 960px; margin: 0 auto; padding: 20px 16px 60px; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 16px;
}

h1 { font-size: 22px; margin: 0 0 16px; }
h2 { font-size: 17px; margin: 0 0 12px; }

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}
.card-header h1 { margin: 0; }

.sort-toggle { display: flex; gap: 4px; margin-bottom: 16px; }
.sort-toggle a {
  font-size: 13px;
  color: var(--muted);
  text-decoration: none;
  padding: 6px 10px;
  border-radius: 6px;
  border: 1px solid var(--border);
}
.sort-toggle a.active { color: #fff; background: var(--accent); border-color: var(--accent); }

label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 4px; margin-top: 12px; }
input[type=text], input[type=email], input[type=password], input[type=date], input[type=number], textarea, select {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 14px;
  font-family: inherit;
}
textarea { min-height: 100px; font-family: ui-monospace, monospace; }

input[type=file] {
  width: 100%;
  padding: 14px;
  border: 1.5px dashed var(--border);
  border-radius: 10px;
  background: var(--bg);
  font-size: 13px;
  font-family: inherit;
  color: var(--muted);
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}
input[type=file]:hover { border-color: var(--accent); background: #eef3ff; }
input[type=file]::file-selector-button {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 9px 16px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  margin-right: 12px;
  transition: background 0.15s;
}
input[type=file]::file-selector-button:hover { background: var(--accent-dark); }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; }

.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 9px 16px;
  border-radius: 6px;
  font-size: 14px;
  cursor: pointer;
  margin-top: 16px;
}
.btn:hover { background: var(--accent-dark); }
.btn.danger { background: var(--danger); }
.btn.secondary { background: transparent; color: var(--accent); border: 1px solid var(--accent); }

table.kv td:first-child { white-space: normal; }
table.kv td:last-child { white-space: nowrap; text-align: right; }

.table-scroll { overflow-x: auto; margin: 0 -20px; padding: 0 20px; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; }
tr.last-minute { background: #fef3c7; }

@media (max-width: 640px) {
  .card { padding: 16px; }
  .table-scroll { margin: 0 -16px; padding: 0 16px; }
  td, th { padding: 10px 8px; }
}

.error { color: var(--danger); font-size: 14px; margin-top: 8px; }
.muted { color: var(--muted); font-size: 13px; }

.warnings { background: var(--warn-bg); border: 1px solid var(--warn-border); border-radius: 8px; padding: 12px 14px; margin-bottom: 16px; }
.warnings ul { margin: 6px 0 0; padding-left: 18px; }
.warnings li { font-size: 13px; margin-bottom: 4px; }

.checkbox-row { display: flex; align-items: center; gap: 8px; margin-top: 12px; }
.checkbox-row input { width: auto; }

.stat-tiles { display: grid; grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); gap: 10px; margin-bottom: 16px; }
.stat-tile { background: var(--card); border: 1px solid var(--border); border-radius: 8px; padding: 14px; text-align: center; }
.stat-tile .value { font-size: 20px; font-weight: 700; }
.stat-tile .label { font-size: 12px; color: var(--muted); margin-top: 4px; }

.actions-row { display: flex; gap: 8px; margin-top: 16px; }

.row-actions { display: flex; align-items: center; gap: 14px; }
.row-actions form { margin: 0; }
.link-danger {
  color: var(--danger);
  background: none;
  border: none;
  padding: 0;
  font-size: 14px;
  font-family: inherit;
  cursor: pointer;
  text-decoration: underline;
}