:root {
  --bg: #1a1b26;
  --surface: #24283b;
  --border: #3b4261;
  --text: #c0caf5;
  --text-dim: #565f89;
  --accent: #7aa2f7;
  --accent-hover: #89b4fa;
  --success: #9ece6a;
  --warning: #e0af68;
  --danger: #f7768e;
  --radius: 8px;
  --shadow: 0 2px 8px rgba(0,0,0,.3);
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: 'Segoe UI', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.5;
}
.app-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: .75rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: .5rem;
}
.app-header h1 { margin: 0; font-size: 1.25rem; font-weight: 600; }
.tabs {
  display: flex;
  gap: .25rem;
  flex-wrap: wrap;
}
.tabs button {
  background: transparent;
  color: var(--text-dim);
  border: 1px solid transparent;
  padding: .5rem .75rem;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: .9rem;
}
.tabs button:hover { color: var(--text); background: rgba(255,255,255,.05); }
.tabs button.active { color: var(--accent); border-color: var(--accent); background: rgba(122,162,247,.1); }
main { padding: 1rem; max-width: 1200px; margin: 0 auto; }
.view { display: none; }
.view.active { display: block; }
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  margin-bottom: 1rem;
  box-shadow: var(--shadow);
}
.card h2, .card h3 { margin: 0 0 .75rem; font-size: 1rem; color: var(--text-dim); }
.recap-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  padding: .75rem 1rem;
  background: rgba(0,0,0,.2);
  border-radius: var(--radius);
  margin-bottom: 1rem;
  font-size: .9rem;
}
.recap-bar span { margin-right: .5rem; }
.recap-bar strong { color: var(--accent); }
.recap-bar .hs { color: var(--warning); }
.recap-bar .paniers { color: var(--success); }
.recap-sticky { position: sticky; top: 3.25rem; z-index: 5; margin-bottom: 0.5rem; }
.day-cards { display: grid; gap: 1rem; }
@media (min-width: 600px) { .day-cards { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 900px) { .day-cards { grid-template-columns: repeat(3, 1fr); } }
.day-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
}
.day-card .date-label { font-weight: 600; margin-bottom: .5rem; color: var(--accent); }
.day-card .day-name { font-size: .85rem; color: var(--text-dim); margin-bottom: .75rem; }
.day-card input[type="number"], .day-card input[type="text"] {
  width: 100%;
  padding: .5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  color: var(--text);
  margin-bottom: .5rem;
  font-size: 1rem;
}
.day-card input::placeholder { color: var(--text-dim); }
.checkbox-label { display: flex; align-items: center; gap: 0.5rem; margin-bottom: 0.5rem; font-size: 0.9rem; cursor: pointer; }
.checkbox-label input[type="checkbox"] { width: auto; margin: 0; cursor: pointer; accent-color: var(--accent); }
.panier-btns { display: flex; flex-wrap: wrap; gap: .35rem; margin-bottom: .5rem; }
.panier-btns button {
  padding: .35rem .6rem;
  font-size: .8rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text-dim);
  cursor: pointer;
}
.panier-btns button:hover { color: var(--text); }
.panier-btns button.selected { border-color: var(--accent); color: var(--accent); background: rgba(122,162,247,.15); }
.nav-week { display: flex; align-items: center; gap: .75rem; margin-bottom: 1rem; flex-wrap: wrap; }
.nav-week button {
  padding: .5rem 1rem;
  background: var(--accent);
  color: var(--bg);
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  font-weight: 500;
}
.nav-week button:hover { background: var(--accent-hover); }
.nav-week button.secondary { background: var(--surface); color: var(--text); border: 1px solid var(--border); }
.nav-week .week-label { font-weight: 600; color: var(--text); }
.carrousel { position: relative; }
.carrousel-nav { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1rem; }
.carrousel-nav button {
  padding: .5rem 1rem;
  background: var(--accent);
  color: var(--bg);
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
}
.carrousel-nav button:hover { background: var(--accent-hover); }
.carrousel-nav button:disabled { opacity: .5; cursor: not-allowed; }
.period-screen {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 1rem;
}
.period-screen h2 { margin: 0 0 1rem; color: var(--accent); }
.period-screen .stats { display: grid; gap: .75rem; margin-bottom: 1rem; }
.period-screen .stats > div { display: flex; justify-content: space-between; padding: .5rem 0; border-bottom: 1px solid var(--border); }
.period-screen .weeks-list { font-size: .9rem; color: var(--text-dim); }
.period-screen .weeks-list div { padding: .25rem 0; }
table { width: 100%; border-collapse: collapse; font-size: .9rem; }
th, td { padding: .5rem; text-align: left; border-bottom: 1px solid var(--border); }
th { color: var(--text-dim); font-weight: 500; }
.params label { display: block; margin-bottom: .5rem; }
.params input { padding: .5rem; border-radius: var(--radius); border: 1px solid var(--border); background: var(--bg); color: var(--text); width: 100%; max-width: 120px; }
.btn { padding: .5rem 1rem; border-radius: var(--radius); cursor: pointer; font-size: .9rem; border: 1px solid var(--border); background: var(--surface); color: var(--text); }
.btn:hover { background: rgba(255,255,255,.05); }
.btn-danger { border-color: var(--danger); color: var(--danger); }
.btn-danger:hover { background: rgba(247,118,142,.15); }
.btn-success { border-color: var(--success); color: var(--success); }
.btn-success:hover { background: rgba(158,206,106,.15); }
.tool-buttons { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 1rem; }
#importFile { display: none; }
.hidden { display: none !important; }