:root{--fg: #1c1c1e;--muted: #666;--border: #d9d9de;--surface: #ffffff;--bg: #f5f5f7;--accent: #2457d6;--danger: #b3261e;--ok: #1b7f3b;color-scheme:light dark;font-family:system-ui,sans-serif}@media (prefers-color-scheme: dark){:root{--fg: #e8e8ea;--muted: #a0a0a8;--border: #3a3a40;--surface: #1f1f24;--bg: #141418;--accent: #7aa2ff;--danger: #ff8a80;--ok: #7fd39a}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--fg)}a{color:var(--accent)}.app{display:flex;min-height:100vh}.sidebar{width:230px;background:var(--surface);border-right:1px solid var(--border);padding:16px;display:flex;flex-direction:column;gap:8px;position:sticky;top:0;height:100vh;overflow:auto}.brand{font-weight:700;font-size:18px;margin-bottom:8px}.nav{display:flex;flex-direction:column;gap:2px}.nav a{padding:8px 10px;border-radius:6px;text-decoration:none;color:var(--fg)}.nav a.active{background:var(--accent);color:#fff}.side-footer{margin-top:auto;display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--muted)}main.contenu{flex:1;padding:20px 24px;max-width:1200px}header.barre{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--border)}h1{font-size:22px;margin:0 0 4px}h2{font-size:17px;margin:20px 0 8px}.carte{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:14px 16px;margin-bottom:14px}.grille{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}.kpi{font-size:22px;font-weight:700}.muted{color:var(--muted);font-size:13px}table{width:100%;border-collapse:collapse;font-size:14px}th,td{text-align:left;padding:6px 8px;border-bottom:1px solid var(--border);vertical-align:top}th{font-weight:600;color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.03em}input,select,textarea,button{font:inherit;color:inherit}input,select,textarea{background:var(--surface);border:1px solid var(--border);border-radius:6px;padding:6px 8px}button{background:var(--surface);border:1px solid var(--border);border-radius:6px;padding:6px 12px;cursor:pointer}button.primaire{background:var(--accent);border-color:var(--accent);color:#fff}button.danger{color:var(--danger)}button:disabled{opacity:.5;cursor:not-allowed}.ligne{display:flex;gap:8px;align-items:end;flex-wrap:wrap;margin-bottom:8px}.champ{display:flex;flex-direction:column;gap:2px;font-size:13px}.champ>label{color:var(--muted);font-size:12px}.erreur{color:var(--danger);font-size:14px}.succes{color:var(--ok);font-size:14px}.badge{display:inline-block;padding:1px 8px;border-radius:999px;border:1px solid var(--border);font-size:12px}.badge.valide{color:var(--ok);border-color:var(--ok)}.badge.brouillon{color:var(--muted)}.tabs{display:flex;gap:6px;margin-bottom:12px;flex-wrap:wrap}.tabs button.actif{background:var(--accent);color:#fff;border-color:var(--accent)}.centre{padding:40px;text-align:center}@media (max-width: 800px){.app{flex-direction:column}.sidebar{width:auto;height:auto;position:static;flex-direction:row;flex-wrap:wrap;align-items:center}.nav{flex-direction:row;flex-wrap:wrap}.side-footer{margin:0;flex-direction:row;align-items:center}main.contenu{padding:14px}}