:root{--bg:#0b1022;--panel:#111a33;--soft:#1f2b55;--text:#e6eaf5;--muted:#8491b2;--accent:#4f8cff;--card:#fff;--ink:#172033}*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,Segoe UI,Arial,sans-serif;background:#f4f6fb;color:var(--ink)}a{color:inherit;text-decoration:none}button,.button{border:0;background:var(--accent);color:#fff;border-radius:10px;padding:10px 16px;font-weight:700;cursor:pointer}input,select,textarea{width:100%;padding:10px;border:1px solid #d7dbea;border-radius:8px;margin-top:6px}label{display:block;margin:12px 0}.card{background:#fff;border-radius:16px;padding:22px;box-shadow:0 10px 30px rgba(20,30,60,.08)}.grid{display:grid;gap:18px}.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.grid.four{grid-template-columns:repeat(4,minmax(0,1fr))}.auth-shell{min-height:100vh;display:grid;place-items:center;background:var(--bg)}.auth-card{width:min(420px,92vw)}.brand,.admin-brand{display:flex;align-items:center;gap:12px}.brand span,.admin-brand span{display:grid;place-items:center;background:linear-gradient(135deg,#188cf8,#6c63ff);color:#fff;width:48px;height:48px;border-radius:14px;font-weight:800}.error{color:#b00020}.admin-shell{display:grid;grid-template-columns:306px 1fr;min-height:100vh}.sidebar{background:var(--bg);color:var(--text);padding:28px 18px;overflow-y:auto}.admin-brand{padding:10px 10px 22px;border-bottom:1px solid rgba(255,255,255,.08);margin-bottom:18px}.admin-brand small{display:block;color:var(--muted)}.section{letter-spacing:.14em;color:var(--muted);font-size:13px;margin:20px 10px 10px}.nav-item{display:flex;align-items:center;gap:14px;padding:12px 14px;margin:4px 0;border-radius:12px;color:#dbe4f4}.nav-item.active,.nav-item:hover{background:linear-gradient(90deg,#173a5a,#1d2551)}.admin-main{padding:28px}.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px}.metric span{color:#69738d}.metric strong{display:block;font-size:34px;margin-top:10px}table{width:100%;border-collapse:collapse}th,td{text-align:left;border-bottom:1px solid #edf0f7;padding:12px}.site-nav{display:flex;justify-content:space-between;align-items:center;padding:20px 6vw;background:#fff}.site-nav span{display:flex;gap:18px}.hero{padding:90px 6vw;background:linear-gradient(135deg,#07142c,#173a5a);color:#fff}.hero h1{max-width:820px;font-size:54px;line-height:1.02}.hero p{max-width:620px;color:#c8d2e8}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px;padding:32px 6vw}.page{padding:36px 6vw}@media(max-width:900px){.admin-shell{grid-template-columns:1fr}.sidebar{position:relative}.grid.four,.grid.two{grid-template-columns:1fr}.hero h1{font-size:36px}}