:root {
  --bg: #f4f5f2;
  --surface: #ffffff;
  --text: #1d2321;
  --muted: #677069;
  --line: #dde1dc;
  --accent: #1f5f4a;
  --accent-soft: #e3efe9;
  --warn: #9a5b00;
  --warn-soft: #fff1dc;
  --danger: #a22c2c;
  --danger-soft: #fbe5e5;
  --ok: #1f5f4a;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(0, 0, 0, .06), 0 4px 14px rgba(20, 30, 25, .05);
  font-size: 16px;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg); color: var(--text); line-height: 1.45;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 1.5rem; margin: 0 0 .5rem; letter-spacing: -.01em; }
h2 { font-size: 1.15rem; margin: 1.5rem 0 .6rem; }
h3 { font-size: 1rem; margin: 1rem 0 .4rem; }
p.muted, span.muted, .muted { color: var(--muted); }
small { font-size: .85rem; }

/* Layout */
.topbar {
  background: var(--surface); border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 20;
}
.topbar .inner {
  max-width: 1100px; margin: 0 auto; padding: .6rem 1rem;
  display: flex; align-items: center; gap: 1rem; flex-wrap: wrap;
}
.brand { font-weight: 700; color: var(--text); letter-spacing: -.01em; }
.brand span { color: var(--accent); }
nav.main { display: flex; gap: .2rem; flex-wrap: wrap; margin-left: auto; }
nav.main a {
  padding: .4rem .7rem; border-radius: 8px; color: var(--text); font-size: .95rem;
}
nav.main a.active, nav.main a:hover { background: var(--accent-soft); color: var(--accent); text-decoration: none; }
main { max-width: 1100px; margin: 0 auto; padding: 1.2rem 1rem 4rem; }
.page-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; flex-wrap: wrap; margin-bottom: 1rem; }
.page-head .actions { display: flex; gap: .5rem; flex-wrap: wrap; }

/* Cards & grid */
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem 1.1rem; box-shadow: var(--shadow); }
.card + .card { margin-top: 1rem; }
.card h2:first-child, .card h3:first-child { margin-top: 0; }
.grid { display: grid; gap: 1rem; }
.grid.cols-2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid.cols-3 { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.grid.cols-4 { grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); }
.kpi { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: .8rem 1rem; }
.kpi .label { color: var(--muted); font-size: .8rem; text-transform: uppercase; letter-spacing: .04em; }
.kpi .value { font-size: 1.45rem; font-weight: 700; margin-top: .15rem; font-variant-numeric: tabular-nums; }
.kpi .sub { color: var(--muted); font-size: .85rem; }
.kpi.warn { border-color: #f1d9b0; background: var(--warn-soft); }
.kpi.danger { border-color: #efbcbc; background: var(--danger-soft); }

/* Tables */
table { width: 100%; border-collapse: collapse; font-size: .95rem; }
th, td { text-align: left; padding: .5rem .55rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: .8rem; text-transform: uppercase; letter-spacing: .04em; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
tr:last-child td { border-bottom: none; }
tr.total td { font-weight: 700; border-top: 2px solid var(--line); }
.table-wrap { overflow-x: auto; }

/* Forms */
form.stack { display: grid; gap: .9rem; }
.field { display: grid; gap: .3rem; }
.field label { font-size: .85rem; color: var(--muted); font-weight: 600; }
.field .help { font-size: .8rem; color: var(--muted); }
.row { display: grid; gap: .9rem; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); }
input[type=text], input[type=email], input[type=tel], input[type=number], input[type=date], input[type=password],
input[type=file], select, textarea {
  width: 100%; padding: .6rem .7rem; border: 1px solid var(--line); border-radius: 8px; background: #fff;
  font: inherit; color: var(--text);
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent-soft); border-color: var(--accent); }
textarea { min-height: 90px; resize: vertical; }
.check { display: flex; align-items: center; gap: .5rem; font-size: .95rem; }
fieldset { border: 1px solid var(--line); border-radius: var(--radius); padding: .8rem 1rem 1rem; margin: 0; }
legend { font-weight: 600; padding: 0 .4rem; color: var(--accent); }

/* Buttons */
.btn, button.btn {
  display: inline-flex; align-items: center; gap: .4rem; padding: .55rem .95rem; border-radius: 8px;
  border: 1px solid var(--accent); background: var(--accent); color: #fff; font: inherit; font-weight: 600;
  cursor: pointer; text-decoration: none; line-height: 1.2;
}
.btn:hover { filter: brightness(1.08); text-decoration: none; }
.btn.secondary { background: var(--surface); color: var(--accent); }
.btn.ghost { background: transparent; color: var(--text); border-color: var(--line); }
.btn.danger { background: var(--danger-soft); color: var(--danger); border-color: #efbcbc; }
.btn.sm { padding: .35rem .65rem; font-size: .85rem; }
.btn.block { width: 100%; justify-content: center; }
form.inline { display: inline; }

/* Badges & alerts */
.badge { display: inline-block; padding: .15rem .55rem; border-radius: 999px; font-size: .78rem; font-weight: 600; background: var(--accent-soft); color: var(--accent); }
.badge.warn { background: var(--warn-soft); color: var(--warn); }
.badge.danger { background: var(--danger-soft); color: var(--danger); }
.badge.muted { background: #eceeea; color: var(--muted); }
.flash { background: var(--accent-soft); color: var(--accent); border: 1px solid #c7ddd2; padding: .7rem 1rem; border-radius: var(--radius); margin-bottom: 1rem; }
.alert { padding: .7rem 1rem; border-radius: var(--radius); border: 1px solid; margin-bottom: .6rem; display: flex; gap: .7rem; align-items: center; justify-content: space-between; }
.alert.warn { background: var(--warn-soft); border-color: #f1d9b0; color: var(--warn); }
.alert.danger { background: var(--danger-soft); border-color: #efbcbc; color: var(--danger); }
.alert.info { background: var(--accent-soft); border-color: #c7ddd2; color: var(--accent); }
.alert a { font-weight: 600; white-space: nowrap; }

/* Lists */
ul.clean { list-style: none; padding: 0; margin: 0; }
ul.clean li { padding: .55rem 0; border-bottom: 1px solid var(--line); display: flex; justify-content: space-between; gap: 1rem; align-items: center; }
ul.clean li:last-child { border-bottom: none; }
dl.props { display: grid; grid-template-columns: max-content 1fr; gap: .3rem 1rem; margin: 0; }
dl.props dt { color: var(--muted); font-size: .9rem; }
dl.props dd { margin: 0; }

/* Login */
.login-wrap { min-height: 100vh; display: grid; place-items: center; padding: 1rem; }
.login-card { width: 100%; max-width: 380px; }

/* État des lieux (mobile) */
.edl-element { display: grid; grid-template-columns: 1fr; gap: .4rem; padding: .7rem 0; border-bottom: 1px solid var(--line); }
.edl-element .nom { font-weight: 600; }
.etats { display: flex; gap: .35rem; flex-wrap: wrap; }
.etats label { border: 1px solid var(--line); border-radius: 999px; padding: .35rem .7rem; font-size: .85rem; cursor: pointer; background: #fff; }
.etats input { display: none; }
.etats input:checked + span { color: #fff; }
.etats label:has(input:checked) { background: var(--accent); border-color: var(--accent); color: #fff; }
.etats label:has(input[value="Mauvais état"]:checked) { background: var(--danger); border-color: var(--danger); }
.etats label:has(input[value="État d'usage"]:checked) { background: var(--warn); border-color: var(--warn); }
.photos { display: flex; gap: .5rem; flex-wrap: wrap; margin-top: .3rem; }
.photos figure { margin: 0; width: 96px; }
.photos img { width: 96px; height: 96px; object-fit: cover; border-radius: 8px; border: 1px solid var(--line); display: block; }
.photos figcaption { font-size: .7rem; color: var(--muted); text-align: center; }
.photo-btn { display: inline-flex; align-items: center; justify-content: center; width: 96px; height: 96px; border: 2px dashed var(--line); border-radius: 8px; color: var(--muted); font-size: .8rem; cursor: pointer; background: #fff; text-align: center; }
.photo-btn input { display: none; }
.sticky-actions { position: sticky; bottom: 0; background: linear-gradient(transparent, var(--bg) 30%); padding: 1rem 0 .5rem; display: flex; gap: .5rem; }
.sticky-actions .btn { flex: 1; justify-content: center; }
.progress { height: 6px; background: var(--line); border-radius: 3px; overflow: hidden; }
.progress span { display: block; height: 100%; background: var(--accent); }
canvas.signature { width: 100%; height: 180px; border: 1px dashed var(--line); border-radius: 8px; background: #fff; touch-action: none; }
.ref { font-size: .8rem; color: var(--muted); }

@media (max-width: 640px) {
  main { padding: .9rem .8rem 4rem; }
  .card { padding: .9rem; }
  h1 { font-size: 1.3rem; }
  nav.main a { padding: .35rem .5rem; font-size: .88rem; }
  .kpi .value { font-size: 1.25rem; }
  td, th { padding: .45rem .4rem; }
}
@media print {
  .topbar, .sticky-actions, .no-print { display: none !important; }
  main { max-width: none; padding: 0; }
  .card { box-shadow: none; }
}