:root{
  --bg:#0f172a; --panel:#1e293b; --panel2:#172033; --line:#2b3a52;
  --text:#e2e8f0; --muted:#94a3b8; --brand:#22c55e; --brand2:#16a34a;
  --accent:#38bdf8; --danger:#f87171; --warn:#fbbf24; --radius:12px;
}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  background:var(--bg);color:var(--text);font-size:15px;line-height:1.5}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}

/* ---- Layout ---- */
.layout{display:flex;min-height:100vh}
.sidebar{width:230px;background:var(--panel2);border-right:1px solid var(--line);
  padding:18px 0;flex-shrink:0;position:sticky;top:0;height:100vh;overflow:auto}
.brand{padding:0 22px 18px;border-bottom:1px solid var(--line);margin-bottom:12px}
.brand b{font-size:22px;color:#fff;letter-spacing:1px}
.brand span{display:block;font-size:11px;color:var(--muted);margin-top:2px}
.nav a{display:flex;align-items:center;gap:10px;padding:11px 22px;color:var(--text);
  font-size:14px;border-left:3px solid transparent}
.nav a:hover{background:var(--panel);text-decoration:none}
.nav a.active{background:var(--panel);border-left-color:var(--brand);color:#fff;font-weight:600}
.nav .ico{width:18px;text-align:center}
.main{flex:1;padding:26px 32px;max-width:100%;overflow:auto}
.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px}
.topbar h1{font-size:22px;margin:0}
.user-chip{font-size:13px;color:var(--muted)}
.user-chip a{margin-left:10px}

/* ---- Cards / stats ---- */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:16px;margin-bottom:24px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px}
.card .k{font-size:13px;color:var(--muted)}
.card .v{font-size:28px;font-weight:700;margin-top:6px}
.card .v.green{color:var(--brand)}
.card .v.blue{color:var(--accent)}

/* ---- Panels ---- */
.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;margin-bottom:22px}
.panel h2{margin:0 0 16px;font-size:17px}
.panel-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}
.panel-head h2{margin:0}

/* ---- Tables ---- */
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{text-align:left;padding:11px 12px;border-bottom:1px solid var(--line)}
th{color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.4px}
tr:hover td{background:var(--panel2)}
td.right,th.right{text-align:right}
.thumb{width:46px;height:46px;object-fit:cover;border-radius:8px;background:var(--panel2)}

/* ---- Badges ---- */
.badge{display:inline-block;padding:3px 10px;border-radius:20px;font-size:12px;font-weight:600}
.b-dispo{background:#16351f;color:#4ade80}
.b-reserve{background:#3a2f10;color:#fbbf24}
.b-vendu{background:#3a1a1a;color:#f87171}
.b-brouillon{background:#2b3a52;color:#94a3b8}
.b-envoyee{background:#10283a;color:#38bdf8}
.b-payee{background:#16351f;color:#4ade80}
.b-annulee{background:#3a1a1a;color:#f87171}

/* ---- Forms ---- */
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.form-grid .full{grid-column:1/-1}
label{display:block;font-size:13px;color:var(--muted);margin-bottom:5px}
input,select,textarea{width:100%;background:var(--panel2);border:1px solid var(--line);
  color:var(--text);padding:10px 12px;border-radius:8px;font-size:14px;font-family:inherit}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent)}
textarea{resize:vertical;min-height:90px}
.hint{font-size:12px;color:var(--muted);margin-top:4px}

/* ---- Buttons ---- */
.btn{display:inline-flex;align-items:center;gap:8px;background:var(--brand);color:#04261a;
  border:none;padding:10px 18px;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;
  text-decoration:none}
.btn:hover{background:var(--brand2);text-decoration:none}
.btn.sec{background:var(--panel2);color:var(--text);border:1px solid var(--line)}
.btn.sec:hover{background:var(--line)}
.btn.blue{background:var(--accent);color:#04263a}
.btn.danger{background:var(--danger);color:#2a0a0a}
.btn.sm{padding:6px 12px;font-size:13px}
.actions{display:flex;gap:8px;flex-wrap:wrap}

/* ---- Alerts ---- */
.alert{padding:12px 16px;border-radius:8px;margin-bottom:16px;font-size:14px}
.alert-success{background:#16351f;color:#4ade80}
.alert-error{background:#3a1a1a;color:#f87171}
.alert-info{background:#10283a;color:#38bdf8}

/* ---- Login ---- */
.login-wrap{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:20px}
.login-box{background:var(--panel);border:1px solid var(--line);border-radius:16px;
  padding:36px;width:100%;max-width:380px}
.login-box h1{text-align:center;font-size:30px;margin:0 0 4px;letter-spacing:2px}
.login-box p.sub{text-align:center;color:var(--muted);font-size:12px;margin:0 0 24px}

/* ---- Gallery ---- */
.gallery{display:flex;gap:10px;flex-wrap:wrap;margin-top:10px}
.gallery .g{position:relative}
.gallery img{width:110px;height:110px;object-fit:cover;border-radius:8px;border:1px solid var(--line)}
.gallery .del{position:absolute;top:4px;right:4px;background:rgba(0,0,0,.7);color:#fff;
  border-radius:50%;width:22px;height:22px;display:flex;align-items:center;justify-content:center;font-size:13px}

.toolbar{display:flex;gap:10px;margin-bottom:18px;flex-wrap:wrap}
.toolbar input,.toolbar select{width:auto}
.muted{color:var(--muted)}
.eco{color:var(--brand);font-weight:600}
@media(max-width:760px){.sidebar{display:none}.form-grid{grid-template-columns:1fr}}