:root{
  --bg:#0f1221; --panel:#171a2e; --panel2:#1f2440; --line:#2a3052;
  --txt:#e7e9f5; --muted:#9aa0c4; --brand:#6d5dfc; --brand2:#46c2ff;
  --green:#21c87a; --red:#ff5d6c; --amber:#ffb648; --radius:14px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:'DM Sans',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  background:radial-gradient(1200px 600px at 80% -10%,#26305c 0%,transparent 55%),var(--bg);
  color:var(--txt);min-height:100vh;line-height:1.5;
}
a{color:var(--brand2);text-decoration:none}
a:hover{text-decoration:underline}

/* ---- top nav ---- */
.nav{display:flex;align-items:center;justify-content:space-between;
  padding:14px 22px;border-bottom:1px solid var(--line);
  background:rgba(15,18,33,.7);backdrop-filter:blur(8px);position:sticky;top:0;z-index:10}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:20px;color:var(--txt)}
.brand .dot{width:14px;height:14px;border-radius:4px;
  background:linear-gradient(135deg,var(--brand),var(--brand2))}
.nav .links{display:flex;align-items:center;gap:18px}
.nav .links a{color:var(--muted);font-weight:600;font-size:14px}
.nav .links a:hover{color:var(--txt);text-decoration:none}

/* ---- layout ---- */
.wrap{max-width:1080px;margin:0 auto;padding:28px 22px 60px}
.center{max-width:440px}

/* ---- hero ---- */
.hero{text-align:center;padding:70px 22px 40px;max-width:820px;margin:0 auto}
.hero h1{font-size:42px;line-height:1.15;margin:0 0 16px;
  background:linear-gradient(120deg,#fff,#b9c0ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{font-size:18px;color:var(--muted);margin:0 auto 28px;max-width:620px}
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:46px auto;max-width:920px}
@media(max-width:760px){.features{grid-template-columns:1fr}.hero h1{font-size:32px}}
.feature{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:22px;text-align:left}
.feature h3{margin:6px 0 8px;font-size:17px}
.feature p{color:var(--muted);font-size:14px;margin:0}
.feature .ic{font-size:26px}

/* ---- cards / panels ---- */
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;margin:0 auto 22px}
.card h2{margin:0 0 4px;font-size:22px}
.card .sub{color:var(--muted);font-size:14px;margin:0 0 20px}

/* ---- stats ---- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:24px}
@media(max-width:760px){.stats{grid-template-columns:repeat(2,1fr)}}
.stat{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:18px}
.stat .v{font-size:28px;font-weight:700}
.stat .l{color:var(--muted);font-size:13px;margin-top:2px}

/* ---- forms ---- */
label{display:block;font-size:13px;color:var(--muted);margin:14px 0 6px;font-weight:600}
input,select{width:100%;padding:12px 14px;background:var(--panel2);border:1px solid var(--line);
  border-radius:10px;color:var(--txt);font-size:15px;font-family:inherit}
input:focus,select:focus{outline:none;border-color:var(--brand)}
input[type=file]{padding:10px}
.btn{display:inline-block;border:none;cursor:pointer;font-family:inherit;font-weight:700;
  font-size:15px;padding:12px 20px;border-radius:10px;color:#fff;
  background:linear-gradient(135deg,var(--brand),#8a7dff);transition:.15s;width:100%}
.btn:hover{filter:brightness(1.08);text-decoration:none}
.btn.alt{background:var(--panel2);border:1px solid var(--line)}
.btn.sm{width:auto;padding:8px 14px;font-size:13px}
.btn.danger{background:linear-gradient(135deg,#e0455a,#ff6d7c)}
.muted{color:var(--muted);font-size:14px}
.center-link{text-align:center;margin-top:16px}

/* ---- alerts ---- */
.alert{padding:12px 16px;border-radius:10px;margin-bottom:18px;font-size:14px;font-weight:600}
.alert.ok{background:rgba(33,200,122,.12);border:1px solid var(--green);color:#7df0b6}
.alert.err{background:rgba(255,93,108,.12);border:1px solid var(--red);color:#ff9aa4}
.alert.info{background:rgba(70,194,255,.10);border:1px solid var(--brand2);color:#aee4ff}

/* ---- tables ---- */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius)}
table{width:100%;border-collapse:collapse;font-size:14px;min-width:560px}
th,td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap}
th{background:var(--panel2);color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.4px}
tr:last-child td{border-bottom:none}
tbody tr:hover{background:rgba(109,93,252,.06)}
.badge{display:inline-block;padding:3px 10px;border-radius:20px;font-size:12px;font-weight:700}
.badge.green{background:rgba(33,200,122,.15);color:#7df0b6}
.badge.red{background:rgba(255,93,108,.15);color:#ff9aa4}
.badge.brand{background:rgba(109,93,252,.18);color:#b9b1ff}
.pill{background:var(--panel2);border:1px solid var(--line);border-radius:20px;padding:3px 10px;font-size:12px;color:var(--muted)}

.row-actions{display:flex;gap:8px;flex-wrap:wrap}
.section-title{display:flex;align-items:center;justify-content:space-between;margin:30px 0 14px}
.section-title h2{margin:0;font-size:20px}
.empty{text-align:center;color:var(--muted);padding:40px 20px}
.foot{text-align:center;color:var(--muted);font-size:13px;padding:30px 0}
.upload-box{border:2px dashed var(--line);border-radius:var(--radius);padding:26px;text-align:center;background:var(--panel2)}