:root {
  --ink:#0d1b2a; --ink-2:#16293d; --ink-3:#1e3a52; 
  --amber:#f5a524; --amber-deep:#d98410;
  --paper:#f6f7f9; --card:#ffffff; --line:#e4e8ee;
  --txt:#0d1b2a; --steel:#64748b; --danger:#dc2626; --ok:#16a34a;
  --radius:14px;
}
* { box-sizing:border-box; }
html,body { margin:0; }
body {
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  background:var(--paper); color:var(--txt);
  -webkit-font-smoothing:antialiased;
}

/* ---------- Layout : sidebar + contenu ---------- */
.app { display:flex; min-height:100vh; }

.sidebar {
  width:230px; flex-shrink:0; background:var(--ink); color:#cbd5e1;
  display:flex; flex-direction:column; position:sticky; top:0; height:100vh;
}
/* Bande signature : ruban diagonal ambre/nuit en tête de sidebar */
.sidebar .brand {
  padding:22px 20px; font-weight:800; font-size:1.15rem; color:#fff;
  letter-spacing:-.01em; line-height:1.2; position:relative; overflow:hidden;
  background:
    repeating-linear-gradient(-45deg, transparent 0 14px, rgba(245,165,36,.08) 14px 16px),
    var(--ink-2);
  border-bottom:2px solid var(--amber);
}
.sidebar .brand small { display:block; font-weight:500; font-size:.72rem;
  color:var(--amber); text-transform:uppercase; letter-spacing:.12em; margin-top:4px; }

.sidebar nav { padding:14px 12px; display:flex; flex-direction:column; gap:2px; flex:1; }
.sidebar nav a {
  display:flex; align-items:center; gap:11px; padding:11px 14px; border-radius:10px;
  color:#94a3b8; text-decoration:none; font-size:.92rem; font-weight:500;
  transition:background .12s, color .12s;
}
.sidebar nav a:hover { background:var(--ink-2); color:#e2e8f0; }
.sidebar nav a.on { background:var(--amber); color:var(--ink); font-weight:700; }
.sidebar nav a .ic { width:18px; text-align:center; font-size:1rem; opacity:.9; }

.sidebar .foot {
  padding:14px 16px; border-top:1px solid var(--ink-2); font-size:.85rem;
}
.sidebar .foot .who { color:#e2e8f0; font-weight:600; display:block; }
.sidebar .foot a { color:var(--amber); text-decoration:none; font-size:.82rem; }

.content { flex:1; min-width:0; }
.wrap { max-width:1080px; margin:0 auto; padding:30px 32px 70px; }

/* ---------- Typo ---------- */
h1 { font-size:1.55rem; font-weight:800; letter-spacing:-.02em; margin:0 0 4px; }
h2 { font-size:1.1rem; font-weight:700; margin:32px 0 12px; letter-spacing:-.01em; }
.page-sub { color:var(--steel); font-size:.92rem; margin:0 0 24px; }

/* ---------- Cartes stats ---------- */
.cards { display:grid; grid-template-columns:repeat(auto-fit,minmax(160px,1fr)); gap:16px; margin:20px 0 8px; }
.card {
  background:var(--card); border:1px solid var(--line); border-left:4px solid var(--amber);
  border-radius:var(--radius); padding:18px 20px; position:relative;
}
.card .lbl { color:var(--steel); font-size:.78rem; text-transform:uppercase;
  letter-spacing:.05em; font-weight:600; }
.card .num { display:block; font-size:2rem; font-weight:800; color:var(--ink);
  line-height:1.1; margin-top:6px; letter-spacing:-.02em; }

/* ---------- Tables ---------- */
.tbl { width:100%; border-collapse:separate; border-spacing:0; background:var(--card);
  border:1px solid var(--line); border-radius:var(--radius); overflow:hidden; }
.tbl th, .tbl td { padding:12px 14px; text-align:left; font-size:.9rem;
  border-bottom:1px solid var(--line); }
.tbl th { background:#eef1f5; color:var(--steel); font-weight:600; font-size:.78rem;
  text-transform:uppercase; letter-spacing:.04em; }
.tbl tr:last-child td { border-bottom:none; }
.tbl tbody tr:hover { background:#fafbfc; }
.tbl tr.off td { opacity:.5; }
.tbl .actions { display:flex; gap:12px; align-items:center; }
.empty { text-align:center; color:var(--steel); padding:28px; }

.badge { padding:3px 10px; border-radius:20px; font-size:.74rem; font-weight:600;
  background:#e4e8ee; color:var(--steel); text-transform:capitalize; }
.badge.accepte { background:#dcfce7; color:#15803d; }
.badge.refuse { background:#fee2e2; color:#b91c1c; }
.badge.envoye { background:#dbeafe; color:#1d4ed8; }
.badge.brouillon { background:#f1f5f9; color:#64748b; }

/* ---------- Formulaires / panneaux ---------- */
.panel { background:var(--card); border:1px solid var(--line); border-radius:var(--radius);
  padding:22px; margin:18px 0; }
.grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(170px,1fr)); gap:16px; align-items:end; }
label { display:block; font-size:.78rem; color:var(--steel); font-weight:600;
  margin-bottom:6px; text-transform:uppercase; letter-spacing:.03em; }
input, select, button { font:inherit; padding:11px 12px; border:1px solid var(--line);
  border-radius:9px; width:100%; background:#fff; color:var(--txt); }
input:focus, select:focus { outline:none; border-color:var(--amber);
  box-shadow:0 0 0 3px rgba(245,165,36,.16); }
button { background:var(--amber); color:var(--ink); border:none; cursor:pointer;
  font-weight:700; transition:background .12s; }
button:hover { background:var(--amber-deep); }
button.link { background:none; color:var(--amber-deep); width:auto; padding:0; font-weight:600; }
button.link:hover { background:none; text-decoration:underline; }
button.link.danger { color:var(--danger); }
.submit { display:flex; gap:12px; align-items:center; }
.cancel { color:var(--steel); text-decoration:none; font-size:.9rem; }
.mini { padding:5px 8px; font-size:.82rem; width:auto; }

.btn { display:inline-block; background:var(--amber); color:var(--ink); padding:11px 18px;
  border-radius:9px; text-decoration:none; font-weight:700; font-size:.9rem; }
.btn:hover { background:var(--amber-deep); }
.btn.ghost { background:none; color:var(--amber-deep); border:1px dashed var(--amber);
  margin:12px 0; }

.head-row { display:flex; align-items:center; justify-content:space-between; margin-bottom:8px; }

/* ---------- Totaux devis ---------- */
.totaux { text-align:right; margin:18px 0; line-height:2; }
.totaux b { color:var(--ink); }
.totaux .ttc { font-size:1.3rem; font-weight:800; }
.totaux .ttc b { color:var(--amber-deep); }

/* ---------- Flash ---------- */
.flash { background:#fff7e6; border:1px solid var(--amber); color:#8a5a00;
  padding:12px 16px; border-radius:10px; margin-bottom:20px; font-size:.9rem; font-weight:500; }
.flash.err { background:#fef2f2; border-color:#fca5a5; color:#b91c1c; }

.hint { color:var(--steel); font-size:.88rem; }

/* ---------- Login (pas de sidebar) ---------- */
.login-shell { min-height:100vh; display:flex; align-items:center; justify-content:center;
  background:
    repeating-linear-gradient(-45deg, transparent 0 22px, rgba(245,165,36,.04) 22px 24px),
    var(--ink); padding:20px; }
.login-card { width:100%; max-width:380px; background:var(--card);
  border-radius:18px; padding:34px; border-top:4px solid var(--amber); }
.login-card h1 { text-align:center; margin-bottom:6px; }
.login-card .tag { text-align:center; color:var(--steel); font-size:.85rem; margin-bottom:22px; }
.login-card button { margin-top:18px; }
.login-card label { margin-top:14px; }

/* ---------- Responsive ---------- */
@media (max-width:820px) {
  .app { flex-direction:column; }
  .sidebar { width:100%; height:auto; position:static; flex-direction:row;
    flex-wrap:wrap; align-items:center; }
  .sidebar .brand { flex:1; border-bottom:none; border-right:2px solid var(--amber); }
  .sidebar nav { flex-direction:row; flex-wrap:wrap; flex:none; width:100%;
    padding:8px; gap:4px; }
  .sidebar nav a { padding:8px 12px; font-size:.85rem; }
  .sidebar .foot { display:none; }
  .wrap { padding:22px 18px 60px; }
}