/* ===== Base ===== */
*{box-sizing:border-box;margin:0;padding:0}
:root{
  --theme:#7c5cff;
  --theme-2:#22d3ee;
  --bg:#0b0d1a;
  --fg:#eef0ff;
  --muted:#9aa1c1;
  --glass:rgba(255,255,255,.08);
  --glass-border:rgba(255,255,255,.16);
  --radius:18px;
  --shadow:0 10px 40px rgba(0,0,0,.35);
}
html,body{height:100%}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",PingFang SC,Microsoft YaHei,sans-serif;
  color:var(--fg);background:var(--bg);
  line-height:1.6;overflow-x:hidden;min-height:100vh;
  position:relative;
}
body::before{
  content:'';position:fixed;inset:0;z-index:-2;
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(124,92,255,.35), transparent 60%),
    radial-gradient(900px 600px at 110% 10%, rgba(34,211,238,.25), transparent 60%),
    radial-gradient(800px 500px at 50% 110%, rgba(244,114,182,.22), transparent 60%),
    linear-gradient(180deg,#0a0d1f 0%, #07091a 100%);
  background-size:cover;background-position:center;background-repeat:no-repeat;
}
.bg-orbs{position:fixed;inset:0;z-index:-1;pointer-events:none;overflow:hidden}
.bg-orbs span{position:absolute;width:420px;height:420px;border-radius:50%;filter:blur(80px);opacity:.5;animation:float 18s ease-in-out infinite}
.bg-orbs span:nth-child(1){background:#7c5cff;top:-100px;left:-100px}
.bg-orbs span:nth-child(2){background:#22d3ee;bottom:-150px;right:-120px;animation-delay:-6s}
.bg-orbs span:nth-child(3){background:#f472b6;top:40%;left:50%;animation-delay:-12s}
@keyframes float{
  0%,100%{transform:translate(0,0)}
  50%{transform:translate(40px,-30px)}
}

a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{max-width:1180px;margin:0 auto;padding:0 24px}
.muted{color:var(--muted)}

/* ===== Glass ===== */
.glass{
  background:var(--glass);
  border:1px solid var(--glass-border);
  backdrop-filter:blur(18px) saturate(160%);
  -webkit-backdrop-filter:blur(18px) saturate(160%);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
}

/* ===== Nav ===== */
.site-nav{position:sticky;top:12px;z-index:50;margin:12px 16px;border-radius:14px}
.nav-inner{display:flex;align-items:center;justify-content:space-between;padding:10px 18px}
.brand{font-weight:700;font-size:18px;letter-spacing:.5px;background:linear-gradient(90deg,var(--theme),var(--theme-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.site-nav nav{display:flex;align-items:center;gap:18px}
.site-nav nav a{color:var(--fg);opacity:.85;font-size:14px;transition:.2s}
.site-nav nav a:hover{opacity:1;color:var(--theme-2)}
.ghost-btn{padding:6px 14px;border:1px solid var(--glass-border);border-radius:10px;background:rgba(255,255,255,.05)}
.menu-toggle{display:none;background:none;border:none;color:#fff;font-size:22px;cursor:pointer}

/* ===== Hero ===== */
.hero{padding:80px 0 60px;text-align:center}
.hero-inner{display:flex;flex-direction:column;align-items:center;gap:18px}
.avatar{width:120px;height:120px;border-radius:50%;border:3px solid var(--glass-border);box-shadow:var(--shadow);object-fit:cover}
.avatar-fallback{display:flex;align-items:center;justify-content:center;font-size:54px;font-weight:700;background:linear-gradient(135deg,var(--theme),var(--theme-2));color:#fff}
.title{font-size:48px;font-weight:800;letter-spacing:-.5px}
.grad{background:linear-gradient(90deg,var(--theme),var(--theme-2),#f472b6);-webkit-background-clip:text;background-clip:text;color:transparent}
.tagline{font-size:18px;color:var(--muted);max-width:640px}
.hero-actions{display:flex;gap:12px;margin-top:6px;flex-wrap:wrap;justify-content:center}

/* ===== Buttons ===== */
.btn{display:inline-flex;align-items:center;gap:8px;padding:11px 22px;border-radius:12px;font-weight:600;font-size:14px;cursor:pointer;border:none;transition:.2s;text-align:center;justify-content:center}
.btn.primary{background:linear-gradient(135deg,var(--theme),#5b8cff);color:#fff;box-shadow:0 8px 24px rgba(124,92,255,.35)}
.btn.primary:hover{transform:translateY(-2px);box-shadow:0 12px 32px rgba(124,92,255,.5)}
.btn.ghost{background:rgba(255,255,255,.06);border:1px solid var(--glass-border);color:#fff}
.btn.ghost:hover{background:rgba(255,255,255,.12)}
.btn.danger{background:linear-gradient(135deg,#ff5d6c,#ff8a3d);color:#fff}
.btn.sm{padding:6px 12px;font-size:12px}

/* ===== Socials ===== */
.socials{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin-top:10px}
.socials a{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border-radius:30px;background:rgba(255,255,255,.06);border:1px solid var(--glass-border);font-size:14px;transition:.2s}
.socials a:hover{background:rgba(255,255,255,.14);transform:translateY(-2px)}
.socials.big a{padding:10px 18px;font-size:15px}
.icon{font-size:16px}

/* ===== Sections ===== */
.section{padding:60px 0}
.section-title{font-size:30px;font-weight:800;margin-bottom:24px;position:relative;display:inline-block}
.section-title::after{content:'';position:absolute;left:0;bottom:-6px;width:50%;height:3px;border-radius:3px;background:linear-gradient(90deg,var(--theme),var(--theme-2))}

.card{padding:22px;transition:.25s}
.about-card{font-size:16px;line-height:1.8}
.empty{padding:30px;text-align:center;color:var(--muted)}

.grid{display:grid;gap:18px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}

.project-card{overflow:hidden;padding:0;display:flex;flex-direction:column}
.project-card:hover{transform:translateY(-4px);border-color:rgba(255,255,255,.3)}
.project-card .cover{height:160px;background-size:cover;background-position:center;background-color:#1a1d35}
.cover-fallback{display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--theme),var(--theme-2));font-size:64px;font-weight:800;color:#fff}
.project-card .card-body{padding:18px}
.project-card h3{font-size:18px;margin-bottom:8px}
.project-card p{font-size:14px;color:var(--muted)}

.link-card{display:flex;align-items:center;gap:14px;padding:16px}
.link-card:hover{transform:translateY(-3px);border-color:rgba(255,255,255,.3)}
.link-icon{font-size:30px;width:48px;height:48px;display:flex;align-items:center;justify-content:center;background:rgba(255,255,255,.08);border-radius:12px;flex-shrink:0}
.link-card h4{font-size:15px}
.link-card p{font-size:12px;color:var(--muted)}

.contact-card{text-align:center;padding:32px}

/* ===== Footer ===== */
.site-footer{padding:30px 0 40px;text-align:center;color:var(--muted);font-size:14px;border-top:1px solid rgba(255,255,255,.06);margin-top:40px}

/* ===== Setup / Forms ===== */
.setup-body{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:20px}
.setup-card{max-width:480px;width:100%;padding:36px}
.setup-card h1{font-size:24px;margin-bottom:8px}
.form{display:flex;flex-direction:column;gap:14px;margin-top:18px}
.form label{display:flex;flex-direction:column;gap:6px;font-size:14px;color:var(--muted)}
.form input,.form textarea,.form select{
  padding:11px 14px;border-radius:10px;border:1px solid var(--glass-border);
  background:rgba(255,255,255,.06);color:#fff;font-size:14px;outline:none;transition:.2s;
  font-family:inherit;
}
.form input:focus,.form textarea:focus,.form select:focus{border-color:var(--theme);background:rgba(255,255,255,.1)}
.form textarea{min-height:100px;resize:vertical}
.alert{padding:10px 14px;border-radius:10px;font-size:14px;margin-top:10px}
.alert.err{background:rgba(255,93,108,.15);border:1px solid rgba(255,93,108,.4)}
.alert.warn{background:rgba(255,170,0,.12);border:1px solid rgba(255,170,0,.4)}
.alert.success{background:rgba(34,211,238,.12);border:1px solid rgba(34,211,238,.4)}

/* ===== Admin Layout ===== */
.admin-body{display:flex;min-height:100vh}
.admin-sidebar{
  width:240px;flex-shrink:0;
  background:rgba(10,12,30,.7);
  backdrop-filter:blur(20px);
  border-right:1px solid var(--glass-border);
  padding:24px 16px;
  position:sticky;top:0;height:100vh;overflow-y:auto;
}
.admin-sidebar .logo{font-size:18px;font-weight:700;padding:8px 12px;margin-bottom:16px;
  background:linear-gradient(90deg,var(--theme),var(--theme-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.admin-sidebar a{display:flex;align-items:center;gap:10px;padding:10px 14px;border-radius:10px;color:#cdd1ee;font-size:14px;margin-bottom:4px;transition:.2s}
.admin-sidebar a:hover{background:rgba(255,255,255,.06);color:#fff}
.admin-sidebar a.active{background:linear-gradient(135deg,rgba(124,92,255,.4),rgba(34,211,238,.2));color:#fff;border:1px solid rgba(124,92,255,.4)}
.admin-main{flex:1;padding:30px 36px;min-width:0}
.admin-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}
.admin-header h1{font-size:24px}

.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:28px}
.stat{padding:20px}
.stat .label{color:var(--muted);font-size:13px}
.stat .value{font-size:30px;font-weight:800;margin-top:4px;background:linear-gradient(90deg,var(--theme),var(--theme-2));-webkit-background-clip:text;background-clip:text;color:transparent}

.table-wrap{overflow-x:auto;border-radius:var(--radius)}
table.data{width:100%;border-collapse:collapse;background:var(--glass);border-radius:var(--radius);overflow:hidden}
table.data th,table.data td{padding:12px 14px;text-align:left;font-size:14px;border-bottom:1px solid rgba(255,255,255,.06)}
table.data th{background:rgba(255,255,255,.04);font-weight:600;color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.5px}
table.data tr:last-child td{border-bottom:none}
table.data tr:hover td{background:rgba(255,255,255,.03)}

.row{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.row.between{justify-content:space-between}
.thumb{width:46px;height:46px;border-radius:10px;background-size:cover;background-position:center;background-color:rgba(255,255,255,.06)}

.login-body{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:20px}
.login-card{max-width:400px;width:100%;padding:36px}
.login-card h1{font-size:22px;margin-bottom:8px;text-align:center}

/* ===== Responsive ===== */
@media (max-width:960px){
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .title{font-size:36px}
  .admin-sidebar{position:fixed;left:-260px;z-index:100;transition:.3s;box-shadow:8px 0 30px rgba(0,0,0,.5)}
  .admin-sidebar.open{left:0}
  .admin-main{padding:20px}
  .menu-toggle{display:block}
  .admin-toggle{display:inline-flex !important}
}
@media (max-width:640px){
  .grid-3,.grid-4{grid-template-columns:1fr}
  .stat-grid{grid-template-columns:1fr 1fr}
  .title{font-size:30px}
  .section{padding:40px 0}
  .section-title{font-size:24px}
  .hero{padding:50px 0 30px}
  .site-nav{margin:8px}
  .site-nav nav{
    display:none;position:absolute;top:60px;left:0;right:0;
    flex-direction:column;align-items:stretch;
    background:rgba(15,18,40,.95);backdrop-filter:blur(20px);
    padding:16px;border-radius:14px;border:1px solid var(--glass-border);
    gap:8px;
  }
  .site-nav nav.open{display:flex}
  .site-nav nav a{padding:10px 14px;border-radius:10px}
  .site-nav nav a:hover{background:rgba(255,255,255,.06)}
  .admin-main{padding:16px}
  .admin-header{flex-direction:column;align-items:flex-start;gap:10px}
}
.admin-toggle{display:none;background:none;border:1px solid var(--glass-border);color:#fff;width:38px;height:38px;border-radius:10px;font-size:18px;cursor:pointer;align-items:center;justify-content:center}