:root{--bg:#f4f5f7;--surface:#ffffff;--ink:#111827;--muted:#6b7280;--line:#e5e7eb;--accent:#0f766e;--accent-soft:#ccfbf1;--danger:#b91c1c;--warn:#b45309}*{box-sizing:border-box}body,html{margin:0;padding:0;min-height:100%;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--ink)}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}.shell{display:grid;grid-template-columns:240px 1fr;min-height:100vh}.sidebar{background:#0b1220;color:#e5e7eb;padding:24px 16px;display:flex;flex-direction:column;gap:24px}.brand{font-weight:700;letter-spacing:.08em;font-size:14px;text-transform:uppercase}.nav{display:flex;flex-direction:column;gap:4px}.nav a{padding:10px 12px;border-radius:8px;color:#cbd5e1}.nav a.active,.nav a:hover{background:rgba(255,255,255,.08);color:#fff}.nav a.disabled{opacity:.4;pointer-events:none}.main{padding:28px 32px 48px}.card{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:20px}.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.btn{border:none;border-radius:8px;padding:10px 14px;cursor:pointer;background:var(--accent);color:white;font-weight:600}.btn.secondary{background:#e5e7eb;color:var(--ink)}.btn.danger{background:var(--danger)}.btn.warn{background:var(--warn)}.btn:disabled{opacity:.5;cursor:not-allowed}input,select,textarea{width:100%;border:1px solid var(--line);border-radius:8px;padding:10px 12px;background:white}label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}.field{margin-bottom:14px}.table{width:100%;border-collapse:collapse}.table td,.table th{text-align:left;padding:12px 10px;border-bottom:1px solid var(--line);font-size:14px}.table th{color:var(--muted);text-transform:uppercase;letter-spacing:.04em}.badge,.table th{font-weight:600;font-size:12px}.badge{display:inline-block;padding:3px 8px;border-radius:999px;background:#e5e7eb}.badge.open{background:#fef3c7;color:#92400e}.badge.progress{background:var(--accent-soft);color:#115e59}.badge.closed{background:#e5e7eb;color:#374151}.muted{color:var(--muted);font-size:13px}.error{color:var(--danger);font-size:14px}.login-wrap{min-height:100vh;display:grid;place-items:center;padding:24px}.login-card{width:min(420px,100%)}.kpi-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));grid-gap:12px;gap:12px;margin-bottom:24px}.kpi{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:16px}.kpi .value{font-size:28px;font-weight:700}.preuve-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));grid-gap:8px;gap:8px}.preuve-grid img{width:100%;height:120px;object-fit:cover;border-radius:8px;border:1px solid var(--line)}@media (max-width:860px){.shell{grid-template-columns:1fr}.sidebar{align-items:center;justify-content:space-between}.nav,.sidebar{flex-direction:row;flex-wrap:wrap}}