:root {
  --navy: #024F70;
  --navy-dark: #013a54;
  --teal: #0496A0;
  --teal-light: #e5f6f7;
  --bg: #f4f7f9;
  --card-bg: #ffffff;
  --border: #e1e8ec;
  --text: #1b2b33;
  --text-muted: #6a7c85;
  --danger: #d94f4f;
  --danger-bg: #fdeaea;
  --warn: #e2952c;
  --warn-bg: #fdf1de;
  --ok: #2f9e6e;
  --ok-bg: #e7f6ef;
  --radius: 10px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", sans-serif;
}

h1, h2, h3, .brand-mark {
  font-family: "Syne", sans-serif;
}

.topbar {
  background: linear-gradient(120deg, var(--navy) 0%, var(--navy-dark) 100%);
  color: #fff;
  padding: 22px 0;
}
.topbar-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand { display: flex; align-items: center; gap: 16px; }
.brand-mark {
  background: var(--teal);
  color: #fff;
  font-weight: 800;
  font-size: 20px;
  padding: 10px 14px;
  border-radius: 8px;
  letter-spacing: 0.5px;
}
.brand-text h1 { margin: 0; font-size: 22px; font-weight: 700; }
.brand-text p { margin: 2px 0 0; font-size: 13px; color: #cfe6ec; }

.status-badge {
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.25);
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 13px;
}
.status-badge.ready { background: var(--teal); border-color: var(--teal); }

.container {
  max-width: 1200px;
  margin: 28px auto;
  padding: 0 24px;
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 24px;
  box-shadow: 0 1px 3px rgba(2, 79, 112, 0.06);
}

.card h2 {
  font-size: 17px;
  margin: 0 0 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--navy);
}

.step {
  background: var(--navy);
  color: #fff;
  width: 26px; height: 26px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
}

.row { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin-bottom: 12px; }
.hint { color: var(--text-muted); font-size: 13px; }

.btn {
  border: none;
  border-radius: 8px;
  padding: 10px 18px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.05s ease, opacity 0.15s ease;
  font-family: inherit;
}
.btn:active { transform: scale(0.98); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.btn-primary { background: var(--teal); color: #fff; }
.btn-primary:hover:not(:disabled) { background: #037e87; }
.btn-secondary { background: var(--teal-light); color: var(--navy); }
.btn-secondary:hover:not(:disabled) { background: #d5eef0; }
.btn-lg { padding: 12px 22px; font-size: 15px; }

.import-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.upload {
  border: 1.5px dashed var(--border);
  border-radius: 8px;
  padding: 12px;
  font-size: 13px;
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: #fafcfd;
}
.upload input { font-size: 12px; }

.messages { margin-top: 12px; font-size: 13px; }
.msg-ok { color: var(--ok); }
.msg-error { color: var(--danger); }

.params-grid {
  display: flex;
  align-items: flex-end;
  gap: 20px;
  flex-wrap: wrap;
}
.params-grid label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 13px;
  color: var(--text-muted);
}
.params-grid input {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 10px;
  font-size: 14px;
  width: 220px;
}

.pill {
  background: var(--teal-light);
  color: var(--navy);
  border-radius: 999px;
  padding: 2px 10px;
  font-size: 12px;
  font-weight: 600;
}

.table-wrap { overflow-x: auto; }
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
th, td {
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  white-space: nowrap;
}
th {
  color: var(--navy);
  background: #f7fafb;
  font-weight: 700;
  position: sticky; top: 0;
}
tr:hover td { background: #fafcfd; }

.badge { padding: 2px 8px; border-radius: 999px; font-size: 11px; font-weight: 700; }
.badge-NORMAL { background: #eef1f2; color: var(--text-muted); }
.badge-URGENT { background: var(--warn-bg); color: var(--warn); }
.badge-STOCK_SECU { background: var(--teal-light); color: var(--navy); }
.badge-REMPLACEMENT { background: var(--danger-bg); color: var(--danger); }
.badge-dpv { background: var(--danger-bg); color: var(--danger); }

.hidden { display: none; }

.bras-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 24px;
}
.bras-title {
  padding: 8px 14px;
  border-radius: 8px 8px 0 0;
  color: #fff;
  margin: 0;
  font-size: 15px;
}
.bras-title.bras-a { background: var(--navy); }
.bras-title.bras-b { background: var(--teal); }
.bras-slots {
  border: 1px solid var(--border);
  border-top: none;
  border-radius: 0 0 8px 8px;
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 560px;
  overflow-y: auto;
  background: #fafcfd;
}

.of-card {
  border: 1px solid var(--border);
  border-left: 5px solid var(--teal);
  border-radius: 6px;
  padding: 8px 10px;
  background: #fff;
  font-size: 13px;
}
.of-card.remplacement { border-left-color: var(--danger); background: var(--danger-bg); }
.of-card .of-top {
  display: flex; justify-content: space-between; align-items: center;
  font-weight: 700; color: var(--navy);
}
.of-card .of-meta { color: var(--text-muted); font-size: 12px; margin-top: 3px; }
.of-flags { margin-top: 4px; display: flex; gap: 6px; flex-wrap: wrap; }
.flag {
  font-size: 10px;
  padding: 1px 6px;
  border-radius: 999px;
  font-weight: 700;
}
.flag-cale { background: var(--warn-bg); color: var(--warn); }
.flag-acc { background: #ece7fb; color: #6a4fc9; }
.flag-noyau { background: var(--ok-bg); color: var(--ok); }

.subgrid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
  margin-top: 6px;
}
.subgrid h3 { font-size: 14px; color: var(--navy); margin: 0 0 8px; }

.progress-bar {
  background: #eef1f2;
  border-radius: 999px;
  height: 8px;
  width: 100px;
  overflow: hidden;
}
.progress-bar > div { height: 100%; background: var(--teal); }
.progress-bar.low > div { background: var(--warn); }

.footer {
  text-align: center;
  color: var(--text-muted);
  font-size: 12px;
  padding: 24px 0 40px;
}

@media (max-width: 900px) {
  .import-grid, .bras-grid, .subgrid { grid-template-columns: 1fr; }
}