:root {
  --fg: #1c2733;
  --muted: #5b6b7c;
  --bg: #f6f7f9;
  --card: #ffffff;
  --line: #dfe4ea;
  --accent: #1f6feb;
  --danger: #b42318;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--fg);
  background: var(--bg);
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.top {
  display: flex; align-items: center; gap: 1.2rem;
  padding: .7rem 1.2rem; background: #fff; border-bottom: 1px solid var(--line); flex-wrap: wrap;
}
.brand a { font-weight: 700; color: var(--fg); }
nav { display: flex; gap: 1rem; }
.user { margin-left: auto; display: flex; gap: .8rem; align-items: center; }
.container { max-width: 1000px; margin: 1.2rem auto 3rem; padding: 0 1rem; }
.foot { max-width: 1000px; margin: 2rem auto; padding: 0 1rem; font-size: .85rem; }
.muted { color: var(--muted); }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: .8rem; margin: 1rem 0; }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 10px;
  padding: .9rem; display: flex; flex-direction: column; gap: .35rem; color: var(--fg);
}
.card:hover { border-color: var(--accent); text-decoration: none; }
.panel { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 1.1rem; }
.narrow { max-width: 460px; margin: 2rem auto; }
.table {
  width: 100%; border-collapse: collapse; background: var(--card);
  border: 1px solid var(--line); border-radius: 10px; overflow: hidden;
}
.table th, .table td { text-align: left; padding: .55rem .7rem; border-bottom: 1px solid var(--line); vertical-align: top; }
.table tr:last-child td { border-bottom: 0; }
.filters { display: flex; gap: .6rem; margin: 1rem 0; flex-wrap: wrap; }
.filters label { display: flex; flex-direction: column; gap: .2rem; font-size: .85rem; color: var(--muted); }
input, select, textarea {
  padding: .5rem .6rem; border: 1px solid var(--line); border-radius: 8px; font: inherit; background: #fff;
}
.btn, button[type="submit"] {
  background: var(--accent); color: #fff; border: 0; border-radius: 8px;
  padding: .55rem .9rem; font: inherit; cursor: pointer; display: inline-block;
}
.btn:hover { text-decoration: none; filter: brightness(1.05); }
.btn.secondary { background: #eef1f4; color: var(--fg); border: 1px solid var(--line); }
.linklike { background: none; border: 0; color: var(--accent); cursor: pointer; padding: 0; font: inherit; }
.error { color: var(--danger); }
.messages { list-style: none; padding: 0; }
.messages li { background: #eef6ff; border: 1px solid var(--line); border-radius: 8px; padding: .5rem .7rem; margin: .4rem 0; }
.page-head { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.facts {
  display: grid; grid-template-columns: max-content 1fr; gap: .2rem .9rem;
  background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: .9rem;
}
.facts dt { color: var(--muted); }
.facts dd { margin: 0; }
.notes { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: .9rem; }
form p { margin: .6rem 0; display: flex; flex-direction: column; gap: .25rem; }
form p label { font-weight: 600; }
.helptext { color: var(--muted); font-size: .85rem; }
ul.errorlist { color: var(--danger); list-style: none; padding: 0; margin: 0; font-size: .9rem; }

/* Diagnostics DPE — étiquettes, pagination, petits libellés. */
.etiq {
  display: inline-block; min-width: 1.4rem; text-align: center; padding: .05rem .4rem;
  border-radius: 6px; font-weight: 600; font-size: .85rem; color: #fff; background: #7f8c8d;
}
.etiq-A { background: #0f9d58; }
.etiq-B { background: #5cb85c; }
.etiq-C { background: #a3c853; color: #213024; }
.etiq-D { background: #f4d03f; color: #4a3c05; }
.etiq-E { background: #f39c12; }
.etiq-F { background: #e67e22; }
.etiq-G { background: #c0392b; }
.pagination { display: flex; gap: 1rem; align-items: center; margin: 1rem 0; }
.small { font-size: .85rem; }

@media (max-width: 640px) { .user { margin-left: 0; } }