:root{
  --gold:#a8852c; --gold-d:#8a6d20; --gold-l:#c9a94a;
  --dark:#2b2018; --dark-2:#3a2c20;
  --cream:#faf7f0; --card:#ffffff; --line:#e9e2d3;
  --text:#2b2018; --muted:#8a7d6b; --green:#3f8f5f; --red:#c0392b;
  --shadow:0 4px 18px rgba(60,45,25,.08);
}
*{box-sizing:border-box}
body{margin:0;font-family:'Segoe UI',system-ui,Arial,sans-serif;background:var(--cream);color:var(--text);font-size:15px;line-height:1.5}
a{color:var(--gold-d);text-decoration:none}
h1,h2,h3{font-weight:700;margin:.2em 0}
.muted{color:var(--muted)}
.small{font-size:13px}

/* ---------- Layout admin ---------- */
.layout{display:flex;min-height:100vh}
.sidebar{width:230px;background:var(--dark);color:#f2ece0;padding:22px 0;flex-shrink:0}
.sidebar .logo{font-size:22px;font-weight:800;letter-spacing:1px;padding:0 22px 18px;border-bottom:1px solid #4a3a2a;margin-bottom:14px}
.sidebar .logo span{color:var(--gold-l)}
.sidebar a{display:block;color:#e7ddca;padding:11px 22px;font-size:14px;border-left:3px solid transparent}
.sidebar a:hover,.sidebar a.active{background:#3a2c20;border-left-color:var(--gold);color:#fff}
.main{flex:1;padding:26px 34px;max-width:1100px}

/* Bouton menu (mobile) */
.menu-btn{display:none;position:fixed;top:12px;left:12px;z-index:1001;background:var(--dark);color:#f0e8d8;border:none;border-radius:9px;width:44px;height:44px;font-size:20px;cursor:pointer;box-shadow:var(--shadow)}
.overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:999}

@media(max-width:900px){
  .menu-btn{display:block}
  .sidebar{position:fixed;top:0;left:0;bottom:0;z-index:1000;width:240px;overflow-y:auto;
    transform:translateX(-100%);transition:transform .25s ease}
  body.menu-open .sidebar{transform:translateX(0)}
  body.menu-open .overlay{display:block}
  .main{padding:64px 16px 26px;max-width:100%}
  .topbar{flex-wrap:wrap;gap:8px}
  .topbar h1{font-size:20px}
  table{display:block;overflow-x:auto;white-space:nowrap}
}

.topbar{display:flex;justify-content:space-between;align-items:center;border-bottom:2px solid var(--gold);padding-bottom:12px;margin-bottom:24px}

/* ---------- Cartes ---------- */
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);padding:22px 24px;margin-bottom:22px}
.card h2{display:flex;align-items:center;gap:8px;font-size:18px;color:var(--dark)}
.section-title{font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin:0 0 6px}

/* ---------- Forms ---------- */
.grid{display:grid;grid-template-columns:1fr 1fr;gap:16px 22px}
.grid-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:14px 18px}
@media(max-width:760px){.grid,.grid-3{grid-template-columns:1fr}}
label{display:block}
input,select,textarea{width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:9px;background:#fcfbf7;font-size:14px;font-family:inherit;color:var(--text)}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--gold);background:#fff}
textarea{resize:vertical;min-height:44px}
.field{margin-bottom:4px}

.btn{display:inline-block;background:var(--gold);color:#fff;border:none;padding:12px 22px;border-radius:9px;font-weight:700;font-size:13px;letter-spacing:.04em;text-transform:uppercase;cursor:pointer}
.btn:hover{background:var(--gold-d)}
.btn-sm{padding:7px 12px;font-size:12px;text-transform:none;letter-spacing:0}
.btn-dark{background:var(--dark)} .btn-dark:hover{background:#160f09}
.btn-red{background:var(--red)} .btn-red:hover{background:#9b2d22}
.btn-ghost{background:#fff;color:var(--gold-d);border:1px solid var(--gold)}
.btn-ghost:hover{background:#fdf9ee}

/* ---------- Table ---------- */
table{width:100%;border-collapse:collapse}
th{background:var(--dark);color:#f0e8d8;text-align:left;font-size:11px;letter-spacing:.05em;text-transform:uppercase;padding:11px 12px}
td{padding:11px 12px;border-bottom:1px solid var(--line);font-size:14px;vertical-align:middle}
tr:last-child td{border-bottom:none}
th:first-child{border-radius:8px 0 0 0} th:last-child{border-radius:0 8px 0 0}

.badge{display:inline-block;padding:3px 11px;border-radius:20px;font-size:12px;font-weight:600}
.badge.green{background:#e7f4ec;color:var(--green)}
.badge.gold{background:#f6efda;color:var(--gold-d)}
.badge.grey{background:#eee;color:#666}

/* ---------- Tabs ---------- */
.tabs{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:18px;border-bottom:1px solid var(--line)}
.tabs button{background:none;border:none;padding:11px 16px;cursor:pointer;font-size:14px;font-weight:600;color:var(--muted);border-bottom:3px solid transparent;width:auto;text-transform:none;letter-spacing:0}
.tabs button.active{color:var(--gold-d);border-bottom-color:var(--gold)}
.tabpane{display:none} .tabpane.active{display:block}

/* ---------- Finances ---------- */
.fin-summary{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:18px}
.fin-box{background:var(--cream);border:1px solid var(--line);border-radius:11px;padding:14px 16px;text-align:center}
.fin-box .v{font-size:22px;font-weight:800}
.fin-box .l{font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted)}
.fin-box.paid .v{color:var(--green)} .fin-box.rest .v{color:var(--gold-d)}

/* ---------- Médias ---------- */
.media-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:14px}
@media(max-width:700px){
  .media-grid{grid-template-columns:repeat(2,1fr);gap:8px}
  .media-item img,.media-item iframe{height:110px}
  .month-head{padding:10px 12px}
  .month-body{padding:8px}
}
.media-item img{cursor:zoom-in}

/* ---------- Lightbox ---------- */
.lb-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.92);display:none;align-items:center;justify-content:center;z-index:9999;user-select:none}
.lb-backdrop.open{display:flex}
.lb-stage{position:relative;max-width:96vw;max-height:96vh;display:flex;align-items:center;justify-content:center}
.lb-img{max-width:96vw;max-height:88vh;object-fit:contain;border-radius:6px;box-shadow:0 4px 30px rgba(0,0,0,.5)}
.lb-cap{position:absolute;bottom:-32px;left:0;right:0;text-align:center;color:#eee8d8;font-size:13px;text-shadow:0 1px 2px #000}
.lb-btn{position:fixed;top:50%;transform:translateY(-50%);background:rgba(255,255,255,.12);border:none;color:#fff;font-size:34px;width:54px;height:54px;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center}
.lb-btn:hover{background:rgba(255,255,255,.22)}
.lb-prev{left:14px}.lb-next{right:14px}
.lb-close{position:fixed;top:14px;right:14px;background:rgba(255,255,255,.12);border:none;color:#fff;font-size:24px;width:44px;height:44px;border-radius:50%;cursor:pointer}
.lb-count{position:fixed;top:18px;left:18px;color:#eee8d8;font-size:13px;background:rgba(0,0,0,.4);padding:6px 12px;border-radius:20px}
@media(max-width:700px){
  .lb-btn{width:44px;height:44px;font-size:26px;background:rgba(255,255,255,.18)}
  .lb-prev{left:6px}.lb-next{right:6px}
}
.media-item{background:#fff;border:1px solid var(--line);border-radius:11px;overflow:hidden}
.media-item img{width:100%;height:150px;object-fit:cover;display:block}
.media-item iframe{width:100%;height:150px;border:0;display:block}
.media-item .cap{padding:8px 10px;font-size:12px}
.media-item .cap .d{color:var(--muted);font-size:11px}

/* ---------- Groupes de médias par mois ---------- */
.month-group{margin-top:14px;border:1px solid var(--line);border-radius:11px;overflow:hidden;background:#fff}
.month-head{display:flex;justify-content:space-between;align-items:center;background:var(--cream);padding:12px 16px;cursor:pointer;user-select:none;border-bottom:1px solid var(--line)}
.month-head:hover{background:#f3ecd9}
.month-head .title{font-weight:700;color:var(--dark);text-transform:capitalize}
.month-head .meta{font-size:12px;color:var(--muted);display:flex;gap:10px;align-items:center}
.month-head .chev{display:inline-block;transition:transform .2s;font-size:14px;color:var(--gold-d)}
.month-group.collapsed .chev{transform:rotate(-90deg)}
.month-group.collapsed .month-body{display:none}
.month-body{padding:14px}
.month-pill{background:#fff;border:1px solid var(--gold);color:var(--gold-d);border-radius:20px;padding:2px 9px;font-weight:600}

/* ---------- Login ---------- */
.login-wrap{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:20px}
.login-card{background:#fff;border-radius:16px;box-shadow:var(--shadow);padding:38px 34px;width:100%;max-width:380px;border-top:5px solid var(--gold)}
.login-card .logo{text-align:center;font-size:28px;font-weight:800;letter-spacing:2px;margin-bottom:4px}
.login-card .logo span{color:var(--gold)}
.login-card h2{text-align:center;font-size:16px;color:var(--muted);font-weight:500;margin-bottom:24px}
.login-card .btn{width:100%;margin-top:8px}

.alert{padding:11px 14px;border-radius:9px;font-size:14px;margin-bottom:16px}
.alert.err{background:#fdeceb;color:var(--red);border:1px solid #f3c6c2}
.alert.ok{background:#e9f5ee;color:var(--green);border:1px solid #c2e6cf}

.doc-row{display:flex;justify-content:space-between;align-items:center;padding:9px 0;border-bottom:1px solid var(--line)}
.doc-row:last-child{border-bottom:none}
.doc-row .name{display:flex;align-items:center;gap:8px}
.inline-form{display:inline}
.upload-row{display:grid;grid-template-columns:1fr 1.4fr auto;gap:10px;align-items:end;background:var(--cream);padding:12px;border-radius:10px;margin-top:8px}
@media(max-width:680px){.upload-row{grid-template-columns:1fr}}
hr{border:none;border-top:1px solid var(--line);margin:18px 0}