:root{--bg:#0a0a0a;--panel:#111111;--panel2:#171717;--gold:#d4af37;--gold2:#b8921a;--text:#f5f5f5;--muted:#b6b6b6;--line:#2b2b2b;--danger:#b93c3c;}*{box-sizing:border-box}body{margin:0;font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:var(--text)}a{color:inherit;text-decoration:none}button,.button-link{background:linear-gradient(180deg,var(--gold),var(--gold2));color:#111;border:0;padding:10px 14px;border-radius:10px;font-weight:700;cursor:pointer;display:inline-block}input,select,textarea{width:100%;padding:11px 12px;border-radius:10px;border:1px solid var(--line);background:#0f0f0f;color:var(--text)}table{width:100%;border-collapse:collapse}th,td{padding:10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}th{color:var(--gold)}.sidebar{position:fixed;left:0;top:0;bottom:0;width:260px;background:#0d0d0d;border-right:1px solid var(--line);padding:18px}.brand{display:flex;gap:12px;align-items:center;margin-bottom:18px}.brand img,.login-logo{width:58px;height:58px;border-radius:14px;object-fit:cover}.brand h1{margin:0;font-size:24px}.brand p,.muted{margin:0;color:var(--muted)}nav{display:flex;flex-direction:column;gap:8px}nav a{padding:11px 12px;border-radius:10px;background:transparent}nav a:hover{background:var(--panel2)}.main-content{margin-left:260px;min-height:100vh;padding:24px}.main-content.full{margin-left:0}.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px;padding-bottom:12px;border-bottom:1px solid var(--line)}.ghost-btn{background:transparent;border:1px solid var(--gold);color:var(--gold)}.page-head{display:flex;justify-content:space-between;align-items:end;gap:16px;margin-bottom:18px}.page-head h2{margin:0 0 4px}.page-head p{margin:0;color:var(--muted)}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:20px}.stat-card,.card{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:18px;box-shadow:0 6px 24px rgba(0,0,0,.25)}.stat-card span{display:block;color:var(--muted);margin-bottom:8px}.stat-card strong{font-size:28px;color:var(--gold)}.grid.two{display:grid;grid-template-columns:1fr 1fr;gap:18px}.pos-layout{display:grid;grid-template-columns:360px 1fr;gap:18px}.stack{display:grid;gap:12px}.alert{padding:12px;border-radius:12px;background:rgba(185,60,60,.15);border:1px solid rgba(185,60,60,.4);margin-bottom:12px}.center-card{max-width:560px;margin:80px auto;text-align:center}.login-body{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:20px;background:radial-gradient(circle at top,#1d1705,var(--bg) 40%)}.login-card{width:100%;max-width:420px;background:var(--panel);border:1px solid var(--line);padding:28px;border-radius:22px;text-align:center;box-shadow:0 10px 40px rgba(0,0,0,.35)}.login-card p{color:var(--muted)}.hint-box{margin-top:16px;background:#0c0c0c;border:1px solid var(--line);padding:14px;border-radius:14px;text-align:left}.card h3{margin-top:0;color:var(--gold)}@media (max-width: 1000px){.stats-grid,.grid.two,.pos-layout{grid-template-columns:1fr}.sidebar{position:static;width:auto;height:auto}.main-content{margin-left:0}}
.split-two{display:grid;grid-template-columns:1fr 1fr;gap:24px}.checkbox-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.link-btn{display:inline-block;padding:8px 12px;border:1px solid #b6922e;border-radius:10px;color:#f4d27a;text-decoration:none;margin-right:8px}.warning-text{color:#f0b44c;font-size:12px}.narrow-card{max-width:520px}
@media (max-width: 900px){.split-two{grid-template-columns:1fr}.checkbox-grid{grid-template-columns:1fr}}