:root{
  --bg:#f4f6fb; --card:#ffffff; --ink:#131722; --muted:#6b7280; --line:#e5e8f0;
  --brand:#ff5500; --brand-dark:#e04a00; --blue:#1877f2; --ok:#16a34a; --bad:#dc2626;
  --warn:#d97706; --radius:14px; --shadow:0 1px 3px rgba(16,24,40,.06),0 4px 14px rgba(16,24,40,.05);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;background:var(--bg);color:var(--ink);font-size:15px;line-height:1.45}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
button{font:inherit;cursor:pointer}
input,textarea{font:inherit}
.lucide{width:20px;height:20px;stroke-width:2;vertical-align:-4px}

/* ---------- Auth ---------- */
.auth-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;background:linear-gradient(160deg,#fff7f1,#eef3ff)}
.auth-card{background:var(--card);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);max-width:400px;width:100%;padding:34px 30px}
.auth-logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:22px;margin-bottom:6px}
.logo-badge{width:40px;height:40px;border-radius:12px;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center}
.logo-badge .lucide{width:22px;height:22px}
.auth-sub{color:var(--muted);margin:0 0 22px}
.field{margin-bottom:14px}
.field label{display:block;font-weight:600;font-size:13px;margin-bottom:6px}
.field input,.field textarea{width:100%;border:1px solid var(--line);border-radius:10px;padding:10px 12px;background:#fff;outline:none}
.field input:focus,.field textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(24,119,242,.15)}
.alert{border-radius:10px;padding:10px 12px;font-size:14px;margin-bottom:14px}
.alert-error{background:#fef2f2;color:#991b1b;border:1px solid #fecaca}
.alert-ok{background:#f0fdf4;color:#166534;border:1px solid #bbf7d0}
.alert-warn{background:#fffbeb;color:#92400e;border:1px solid #fde68a}

/* ---------- Layout ---------- */
.layout{display:flex;min-height:100vh}
.sidebar{width:248px;background:#101623;color:#dbe2f0;display:flex;flex-direction:column;position:fixed;inset:0 auto 0 0;z-index:30}
.sb-brand{display:flex;align-items:center;gap:10px;padding:18px;font-weight:800;font-size:19px;color:#fff}
.sb-nav{padding:6px 12px;display:flex;flex-direction:column;gap:4px;flex:1}
.sb-link{display:flex;align-items:center;gap:11px;padding:10px 12px;border-radius:10px;color:#c3ccdf;background:none;border:0;text-align:left;width:100%;font-weight:500}
.sb-link:hover{background:#1a2338;color:#fff}
.sb-link.active{background:var(--brand);color:#fff}
.sb-link .badge{margin-left:auto;background:#fff;color:#101623;border-radius:99px;font-size:12px;font-weight:700;padding:1px 8px}
.sb-link.active .badge{background:#101623;color:#fff}
.sb-foot{padding:14px;border-top:1px solid #223052;font-size:13px}
.sb-status{display:flex;align-items:center;gap:8px;margin-bottom:10px;color:#aeb9d4}
.dot{width:9px;height:9px;border-radius:99px;background:#64748b;flex:none}
.dot.on{background:#22c55e}
.main{flex:1;margin-left:248px;padding:26px 30px 60px;min-width:0}
.topbar{display:flex;align-items:center;gap:14px;margin-bottom:20px}
.topbar h1{font-size:24px;margin:0}
.topbar .spacer{flex:1}
.mobile-brand{display:none;align-items:center;gap:8px;font-weight:800}

/* ---------- Cards & components ---------- */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px}
.card h2,.card h3{margin-top:0}
.grid{display:grid;gap:18px}
.grid-2{grid-template-columns:1fr 1fr}
.grid-3{grid-template-columns:repeat(3,1fr)}
.stat-num{font-size:32px;font-weight:800;line-height:1.1}
.stat-label{color:var(--muted);font-size:13px}
.btn{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);background:#fff;color:var(--ink);border-radius:10px;padding:9px 16px;font-weight:600;transition:.15s}
.btn:hover{border-color:#c9d2e4;background:#f8fafc}
.btn-primary{background:var(--brand);border-color:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-dark);border-color:var(--brand-dark)}
.btn-blue{background:var(--blue);border-color:var(--blue);color:#fff}
.btn-blue:hover{background:#1667d4;border-color:#1667d4}
.btn-danger{background:#fff;border-color:#fecaca;color:var(--bad)}
.btn-danger:hover{background:#fef2f2}
.btn-ghost{border-color:transparent;background:transparent}
.btn-sm{padding:6px 11px;font-size:13px;border-radius:8px}
.btn:disabled{opacity:.55;cursor:not-allowed}
.btn .lucide{width:18px;height:18px}
.chip{display:inline-flex;align-items:center;gap:6px;background:#f1f5f9;border-radius:99px;padding:3px 11px;font-size:12.5px;font-weight:600}
.chip-ok{background:#dcfce7;color:#166534}
.chip-bad{background:#fee2e2;color:#991b1b}
.chip-warn{background:#fef3c7;color:#92400e}
.chip-blue{background:#dbeafe;color:#1e40af}
.muted{color:var(--muted)}
.small{font-size:13px}
.mt{margin-top:14px}.mb{margin-bottom:14px}
.list{display:flex;flex-direction:column;gap:10px}
.row-item{display:flex;gap:12px;align-items:flex-start;border:1px solid var(--line);border-radius:12px;padding:13px 15px;background:#fff}
.row-item .grow{flex:1;min-width:0}
.avatar{width:38px;height:38px;border-radius:99px;background:#e2e8f0;object-fit:cover;flex:none}
.avatar-fallback{width:38px;height:38px;border-radius:99px;background:#ffe3d3;color:#9a3412;font-weight:800;display:flex;align-items:center;justify-content:center;flex:none}
textarea.ta{width:100%;border:1px solid var(--line);border-radius:10px;padding:11px 12px;resize:vertical;min-height:96px;outline:none}
textarea.ta:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(24,119,242,.15)}
.search-box{position:relative}
.search-box .lucide{position:absolute;left:10px;top:50%;transform:translateY(-50%);width:18px;height:18px;color:var(--muted)}
.search-box input{width:100%;border:1px solid var(--line);border-radius:10px;padding:9px 12px 9px 36px;outline:none}
.search-box input:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(24,119,242,.15)}
.check-list{max-height:300px;overflow:auto;border:1px solid var(--line);border-radius:12px;padding:6px}
.check-item{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:8px;cursor:pointer}
.check-item:hover{background:#f8fafc}
.check-item input{width:17px;height:17px;accent-color:var(--brand)}
.check-item img{width:28px;height:28px;border-radius:99px;object-fit:cover}
.seg{display:inline-flex;background:#eef1f7;border-radius:11px;padding:4px;gap:4px}
.seg button{border:0;background:transparent;padding:8px 16px;border-radius:8px;font-weight:600;color:var(--muted)}
.seg button.active{background:#fff;color:var(--ink);box-shadow:var(--shadow)}
input[type="datetime-local"],input[type="text"],input[type="password"]{border:1px solid var(--line);border-radius:10px;padding:10px 12px;outline:none;background:#fff}
input[type="datetime-local"]:focus,input[type="text"]:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(24,119,242,.15)}
.progress{height:10px;background:#eef1f7;border-radius:99px;overflow:hidden}
.progress > div{height:100%;background:var(--brand);width:0;transition:width .3s}
.empty{border:1.5px dashed var(--line);border-radius:12px;padding:26px;text-align:center;color:var(--muted)}

/* dropdown personalizado (sin <select>) */
.dd{position:relative;display:inline-block}
.dd-menu{position:absolute;top:calc(100% + 6px);left:0;min-width:230px;max-width:320px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 12px 32px rgba(16,24,40,.14);padding:6px;z-index:60;display:none;max-height:300px;overflow:auto}
.dd.open .dd-menu{display:block}
.dd-item{display:flex;gap:8px;width:100%;text-align:left;background:none;border:0;padding:9px 10px;border-radius:8px;font-weight:500}
.dd-item:hover{background:#f1f5f9}
.dd-item .muted{margin-left:auto;font-size:12px}

/* vista previa Facebook */
.fb-preview{border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#fff}
.fb-head{display:flex;gap:10px;align-items:center;padding:12px 14px}
.fb-body{padding:0 14px 12px;white-space:pre-wrap;word-break:break-word}
.fb-media{background:#0f172a;color:#cbd5e1;min-height:170px;display:flex;flex-direction:column;gap:8px;align-items:center;justify-content:center}
.fb-media img,.fb-media video{width:100%;max-height:340px;object-fit:contain;background:#000}
.fb-foot{display:flex;gap:16px;padding:10px 14px;border-top:1px solid var(--line);color:var(--muted);font-size:13px}
.attach-zone{border:1.5px dashed #cbd5e1;border-radius:12px;padding:16px;text-align:center;color:var(--muted);cursor:pointer}
.attach-zone:hover{border-color:var(--blue);color:var(--blue)}

/* modal */
.modal-back{position:fixed;inset:0;background:rgba(15,23,42,.5);display:none;align-items:center;justify-content:center;z-index:100;padding:18px}
.modal-back.open{display:flex}
.modal{background:#fff;border-radius:16px;max-width:480px;width:100%;padding:24px;box-shadow:0 24px 60px rgba(0,0,0,.25)}
.modal h3{margin-top:0}
.modal-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:18px}

.toast{position:fixed;right:18px;bottom:18px;background:#101623;color:#fff;border-radius:12px;padding:13px 17px;box-shadow:0 12px 32px rgba(0,0,0,.3);z-index:200;display:none;max-width:min(430px,90vw)}
.toast.show{display:block}
.toast.error{background:#7f1d1d}

@media (max-width: 980px){
  .grid-2,.grid-3{grid-template-columns:1fr}
  .main{margin-left:0;padding:18px 16px 92px}
  .sidebar{inset:auto 0 0 0;width:auto;height:64px;flex-direction:row;align-items:center;padding:0 8px}
  .sb-brand,.sb-foot{display:none}
  .sb-nav{flex-direction:row;overflow-x:auto;padding:4px;gap:2px}
  .sb-link{flex-direction:column;gap:3px;font-size:10.5px;padding:7px 9px;border-radius:9px;white-space:nowrap}
  .sb-link .lucide{width:19px;height:19px}
  .sb-link .badge{display:none}
  .mobile-brand{display:flex;margin-bottom:14px}
}