:root{
  --fb-orange:#e07a2f;
  --fb-orange-dark:#c9651e;
  --fb-charcoal:#2a2a2a;
  --fb-text:#1f2937;
  --fb-muted:#6b7280;
  --fb-bg:#f3f4f6;
  --fb-card:#fff;
  --fb-border:#e5e7eb;
  --fb-shadow:0 10px 30px rgba(0,0,0,.10);
  --fb-radius:16px;
  --fb-font:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,Arial;
}

*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;font-family:var(--fb-font);color:var(--fb-text);background:var(--fb-bg)}

.fb-topbar{position:sticky;top:0;z-index:50;height:54px;background:var(--fb-orange);color:#fff;display:flex;align-items:center;box-shadow:0 6px 14px rgba(0,0,0,.18)}
.fb-topbar .wrap{width:min(1200px,calc(100% - 40px));margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:16px}
.fb-brand{display:flex;align-items:center;gap:12px;font-weight:800}
.fb-brand .logo{width:28px;height:28px;border-radius:8px;background:#fff;display:grid;place-items:center;color:var(--fb-orange);font-weight:900}
.fb-nav{display:flex;gap:18px;align-items:center;flex-wrap:wrap}
.fb-nav a{color:#fff;text-decoration:none;font-weight:700;opacity:.95;padding:10px 6px}
.fb-nav a:hover{opacity:1;text-decoration:underline}
.fb-nav .cta{background:#fff;color:var(--fb-orange-dark);border-radius:999px;padding:10px 14px;font-weight:900;text-decoration:none}

.container{width:min(1200px,calc(100% - 40px));margin:0 auto}
.hero{padding:64px 0 40px;display:grid;grid-template-columns:1.2fr .8fr;gap:36px;align-items:center}
@media(max-width:980px){.hero{grid-template-columns:1fr}}
.hero h1{font-size:48px;line-height:1.05;margin:0 0 16px}
.hero p{font-size:18px;color:var(--fb-muted);margin:0 0 18px}
.hero .highlight{color:var(--fb-orange-dark);font-weight:800}

.card{background:var(--fb-card);border:1px solid var(--fb-border);border-radius:var(--fb-radius);box-shadow:var(--fb-shadow)}
.card.pad{padding:20px}

.btn{border:0;border-radius:999px;padding:12px 16px;font-weight:900;cursor:pointer;display:inline-flex;align-items:center;gap:10px;text-decoration:none}
.btn.primary{background:var(--fb-orange);color:#fff}
.btn.primary:hover{background:var(--fb-orange-dark)}
.btn.ghost{background:#fff;border:1px solid var(--fb-border);color:var(--fb-text)}
.btn.ghost:hover{background:#fafafa}

.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media(max-width:980px){.grid3{grid-template-columns:1fr}}
.feature h3{margin:0 0 8px}
.feature p{margin:0;color:var(--fb-muted)}

.shell{min-height:calc(100vh - 54px);display:grid;grid-template-columns:260px 1fr}
@media(max-width:980px){.shell{grid-template-columns:1fr}}
.sidebar{background:var(--fb-charcoal);color:#fff;padding:18px 14px;position:sticky;top:54px;height:calc(100vh - 54px);overflow:auto}
@media(max-width:980px){.sidebar{position:relative;height:auto}}
.sb-head{display:flex;align-items:center;gap:10px;padding:10px 8px 16px;border-bottom:1px solid rgba(255,255,255,.12);margin-bottom:12px}
.sb-head .mark{width:34px;height:34px;border-radius:10px;background:rgba(255,255,255,.12);display:grid;place-items:center;border:1px solid rgba(255,255,255,.18);color:var(--fb-orange);font-weight:900}
.sb-head .title{font-weight:900}
.sb-menu{display:flex;flex-direction:column;gap:6px;padding:10px 6px}
.sb-link{display:flex;gap:10px;align-items:center;padding:10px 10px;border-radius:12px;color:rgba(255,255,255,.86);text-decoration:none;font-weight:800}
.sb-link:hover{background:rgba(255,255,255,.08);color:#fff}
.sb-link.active{background:rgba(224,122,47,.22);border:1px solid rgba(224,122,47,.35);color:#fff}
.sb-foot{margin-top:18px;padding:12px 6px;border-top:1px solid rgba(255,255,255,.12)}
.badge{display:inline-block;padding:2px 8px;border-radius:999px;background:rgba(255,255,255,.12);font-weight:800;font-size:12px}

.main{padding:22px}
.headerbar{background:linear-gradient(180deg,#3a3a3a,#1f1f1f);border-radius:18px;padding:18px;color:#fff;display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px;align-items:center;box-shadow:var(--fb-shadow);margin-bottom:18px}
.headerbar .left{display:flex;align-items:center;gap:10px;font-weight:900}
.headerbar .center{text-align:center}
.headerbar .center .small{opacity:.8;font-weight:800;font-size:12px;letter-spacing:.9px}
.headerbar .center .big{font-size:28px;font-weight:1000}
.headerbar .right{display:flex;justify-content:flex-end;align-items:center;gap:10px;font-weight:900}
.headerbar .right .ts{font-variant-numeric:tabular-nums}

.panel{background:#fff;border:1px solid var(--fb-border);border-radius:18px;box-shadow:var(--fb-shadow);overflow:hidden}
.panel .ph{padding:14px 16px;border-bottom:1px solid var(--fb-border);display:flex;justify-content:space-between;align-items:flex-start;gap:12px}
.panel .ph h2{margin:0;font-size:22px}
.panel .ph .sub{color:var(--fb-muted);font-weight:800}
.panel .pc{padding:16px}

.input,select{width:100%;border:1px solid var(--fb-border);border-radius:12px;padding:10px 12px;font-weight:800;background:#fff}
.row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media(max-width:980px){.row{grid-template-columns:1fr}}

.table{width:100%;border-collapse:separate;border-spacing:0;border:1px solid var(--fb-border);border-radius:14px;overflow:hidden}
.table th,.table td{padding:10px;border-bottom:1px solid var(--fb-border);text-align:left;font-weight:800}
.table th{background:#fafafa;color:#111827}
.table tr:last-child td{border-bottom:0}