:root {
  --bg: #f4f6f9;
  --card: #ffffff;
  --text: #1c2430;
  --muted: #6b7686;
  --line: #e2e7ee;
  --primary: #1f3a5f;
  --primary-2: #2c5282;
  --accent: #e8f0fb;
  --ok-bg: #e7f6ec; --ok: #1d6b3a;
  --warn-bg: #fff6e0; --warn: #8a5a00;
  --err-bg: #fdecec; --err: #a12626;
  --radius: 12px;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  padding-bottom: env(safe-area-inset-bottom);
}
a { color: var(--primary-2); }
h1 { font-size: 1.45rem; margin: .2rem 0 1rem; }
h2 { font-size: 1.05rem; margin: 0 0 .8rem; }
.muted { color: var(--muted); font-weight: normal; }
.small, small { font-size: .82rem; }
.hidden { display: none !important; }

.top {
  background: var(--primary); color: #fff; display: flex; align-items: center; gap: 1rem;
  padding: .6rem 16px; padding-top: calc(.6rem + env(safe-area-inset-top)); flex-wrap: wrap; position: sticky; top: 0; z-index: 5;
}
.brand { color: #fff; text-decoration: none; font-weight: 700; display: flex; align-items: center; gap: .5rem; font-size: 1.05rem; }
.brand span { font-weight: 400; opacity: .75; }
.top nav { display: flex; gap: .25rem; margin-left: auto; overflow-x: auto; }
.top nav a { color: #dbe6f5; text-decoration: none; padding: .35rem .7rem; border-radius: 8px; white-space: nowrap; }
.top nav a.on, .top nav a:hover { background: rgba(255,255,255,.14); color: #fff; }

.wrap { max-width: 1000px; margin: 0 auto; padding: 1.2rem 16px 2rem; }
.foot { text-align: center; padding: 1rem 0 2rem; font-size: .85rem; }
.foot a { color: var(--muted); }

.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.1rem; margin-bottom: 1rem; }

.flash { display: block; padding: .7rem .9rem; border-radius: 10px; margin-bottom: 1rem; text-decoration: none; }
.flash-ok { background: var(--ok-bg); color: var(--ok); }
.flash-warn { background: var(--warn-bg); color: var(--warn); }
.flash-err { background: var(--err-bg); color: var(--err); }
.flash.link:hover { filter: brightness(.97); }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: .8rem; margin-bottom: 1rem; }
.stat { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: .9rem 1rem; display: flex; flex-direction: column; }
.stat span { color: var(--muted); font-size: .85rem; }
.stat strong { font-size: 1.4rem; font-variant-numeric: tabular-nums; }
.stat.accent { background: var(--primary); border-color: var(--primary); color: #fff; }
.stat.accent span, .stat.accent small { color: #c9d8ee; }

.actions-big { display: flex; gap: .6rem; flex-wrap: wrap; margin-bottom: 1rem; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .3rem;
  border: 1px solid var(--line); background: #fff; color: var(--text); border-radius: 9px;
  padding: .55rem 1rem; font: inherit; font-weight: 600; cursor: pointer; text-decoration: none; white-space: nowrap;
}
.btn:hover { border-color: #c5cfdc; }
.btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn.primary:hover { background: var(--primary-2); }
.btn.ghost { background: transparent; }
.btn.sm { padding: .3rem .65rem; font-size: .85rem; }
.btn.block { width: 100%; }
.btn.danger { color: var(--err); }
.btn[disabled] { opacity: .5; cursor: not-allowed; }

.grid { display: grid; grid-template-columns: 1fr 1fr; gap: .8rem 1rem; }
.grid .full { grid-column: 1 / -1; }
label { display: flex; flex-direction: column; gap: .3rem; font-weight: 600; font-size: .9rem; }
label.check { flex-direction: row; align-items: center; gap: .5rem; font-weight: 500; }
input[type=text], input[type=number], input[type=date], input[type=month], input[type=password], input[type=file], select {
  font: inherit; font-weight: 400; padding: .55rem .7rem; border: 1px solid var(--line); border-radius: 9px; background: #fff; width: 100%; color: var(--text); min-height: 42px;
}
input:focus, select:focus { outline: 2px solid #9bb7e0; outline-offset: 0; border-color: #9bb7e0; }
input[type=checkbox] { width: 18px; height: 18px; }
.inline { display: flex; gap: .5rem; align-items: center; }
form.inline { display: inline-flex; gap: .5rem; align-items: center; flex-wrap: wrap; }
.row-actions { display: flex; gap: .6rem; align-items: center; flex-wrap: wrap; }
.copy-prev { margin-top: .8rem; }

.favoris { display: flex; gap: .4rem; flex-wrap: wrap; margin-bottom: .9rem; }
.chip { border: 1px solid #c8d6ea; background: var(--accent); color: var(--primary); border-radius: 999px; padding: .35rem .8rem; font: inherit; font-size: .88rem; cursor: pointer; }
.chip:hover { background: #d9e6f8; }

.month-nav { display: flex; align-items: center; gap: .6rem; flex-wrap: wrap; margin-bottom: 1rem; }
.month-nav h1 { margin: 0; }
.page-title { margin-bottom: .4rem; }
.month-label { font-size: 1.05rem; min-width: 8.5em; text-align: center; }
.month-nav select { width: auto; }

.badge { display: inline-block; padding: .15rem .6rem; border-radius: 999px; font-size: .78rem; font-weight: 600; }
.badge-brouillon { background: #eef1f5; color: var(--muted); }
.badge-validee { background: var(--warn-bg); color: var(--warn); }
.badge-remboursee { background: var(--ok-bg); color: var(--ok); }
.tag { display: inline-block; font-size: .72rem; padding: .05rem .45rem; border-radius: 6px; background: #eef1f5; color: var(--muted); margin-left: .3rem; font-weight: 600; }
.tag.warn { background: var(--warn-bg); color: var(--warn); }

.table-wrap { overflow-x: auto; margin: 0 -1.1rem; padding: 0 1.1rem; }
table { width: 100%; border-collapse: collapse; font-size: .92rem; }
th { text-align: left; font-size: .78rem; text-transform: uppercase; letter-spacing: .03em; color: var(--muted); font-weight: 600; padding: .5rem .5rem; border-bottom: 1px solid var(--line); }
td { padding: .6rem .5rem; border-bottom: 1px solid var(--line); vertical-align: top; }
.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.row-btns { white-space: nowrap; text-align: right; }
.row-btns form { display: inline; }
tr.clickable { cursor: pointer; }
tr.clickable:hover td { background: #f8fafc; }

.km-row { margin-bottom: 1rem; }
.km-head { display: flex; gap: .5rem; align-items: baseline; }
.km-head .right { margin-left: auto; font-weight: 700; font-variant-numeric: tabular-nums; }
.bar { position: relative; height: 10px; background: #eef1f5; border-radius: 6px; margin: .4rem 0 .2rem; overflow: hidden; }
.bar i { position: absolute; inset: 0 auto 0 0; background: var(--primary-2); border-radius: 6px; }
.bar b { position: absolute; top: 0; bottom: 0; width: 2px; background: #fff; }

details.item { border: 1px solid var(--line); border-radius: 10px; padding: .7rem .9rem; margin-bottom: .6rem; }
details.item summary { cursor: pointer; }
details.item[open] summary { margin-bottom: .9rem; }
details.item .del { margin-top: .6rem; }

.cat-row { display: grid; grid-template-columns: 2fr 1.4fr .7fr auto auto; gap: .5rem; align-items: center; }
.list { list-style: none; padding: 0; margin: 0; }
.list li { display: flex; justify-content: space-between; align-items: center; gap: .6rem; padding: .5rem 0; border-bottom: 1px solid var(--line); }
.small-in { width: 7em !important; text-align: right; }

.auth { max-width: 380px; margin: 8vh auto 0; text-align: center; }
.auth h1 { margin: .6rem 0 .2rem; }
.auth .card { text-align: left; margin-top: 1.2rem; display: flex; flex-direction: column; gap: 1rem; }

.paper { padding: 1.6rem; }

@media (max-width: 640px) {
  .grid { grid-template-columns: 1fr; }
  .top nav { margin-left: 0; width: 100%; }
  .cat-row { grid-template-columns: 1fr 1fr; }
  .cat-row input[name=nom] { grid-column: 1 / -1; }
  .stats { grid-template-columns: 1fr 1fr; gap: .6rem; }
  .stat { padding: .7rem .8rem; }
  .stat strong { font-size: 1.15rem; }
  .paper { padding: 1rem; }
  .actions-big .btn { flex: 1 1 100%; }
}