:root{
  --bg:#050814;
  --side:#070d1c;
  --panel:rgba(13,20,36,.86);
  --panel2:rgba(17,28,50,.74);
  --line:rgba(130,170,220,.18);
  --text:#e9f2ff;
  --muted:#8da2bd;
  --blue:#38bdf8;
  --cyan:#22d3ee;
  --green:#34d399;
  --red:#fb7185;
  --violet:#8b5cf6;
}
*{box-sizing:border-box}
body{
  min-height:100vh;
  margin:0;
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",Arial,sans-serif;
  background:
    radial-gradient(circle at 18% 10%,rgba(56,189,248,.22),transparent 26%),
    radial-gradient(circle at 90% 18%,rgba(139,92,246,.18),transparent 28%),
    linear-gradient(135deg,#040713,#081225 58%,#0a1020);
}
body:before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  background-image:linear-gradient(rgba(148,163,184,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(148,163,184,.055) 1px,transparent 1px);
  background-size:44px 44px;
  mask-image:linear-gradient(to bottom,rgba(0,0,0,.88),transparent 76%);
}
a{color:#7dd3fc}
code{display:inline-block;padding:2px 8px;border:1px solid rgba(56,189,248,.28);border-radius:7px;background:rgba(8,47,73,.5);color:#bae6fd}
.app-shell{position:relative;z-index:1;display:grid;grid-template-columns:280px minmax(0,1fr);min-height:100vh}
.side{position:sticky;top:0;height:100vh;padding:22px 18px;border-right:1px solid var(--line);background:linear-gradient(180deg,rgba(7,13,28,.98),rgba(5,8,20,.9));box-shadow:18px 0 55px rgba(0,0,0,.32)}
.brand{display:flex;align-items:center;gap:12px;padding:8px 8px 22px;border-bottom:1px solid var(--line)}
.brand-mark{display:grid;place-items:center;width:44px;height:44px;border-radius:14px;background:linear-gradient(135deg,var(--cyan),var(--violet));color:#fff;font-weight:800;box-shadow:0 0 30px rgba(34,211,238,.24)}
.brand strong{display:block;color:#fff;font-size:16px}
.brand small,.side-user small{display:block;color:var(--muted);margin-top:3px}
.side-user{margin:18px 0;padding:16px;border:1px solid var(--line);border-radius:14px;background:rgba(15,23,42,.56)}
.side-user span{display:block;color:var(--muted);font-size:12px;margin-bottom:6px}
.side-user b{display:block;font-size:20px;color:#fff}
.side-nav{display:grid;gap:10px}
.side-nav a{padding:12px 14px;border:1px solid transparent;border-radius:12px;color:#cbd5e1;text-decoration:none;background:rgba(15,23,42,.28);transition:.18s ease}
.side-nav a:hover{color:#fff;border-color:rgba(56,189,248,.36);background:rgba(56,189,248,.1)}
.main-panel{min-width:0}
.page-head{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:26px 32px 18px}
.page-head h1{margin:4px 0 0;font-size:30px;letter-spacing:.02em}
.eyebrow,.panel-kicker{color:#67e8f9;font-size:12px;font-weight:700;letter-spacing:.16em;text-transform:uppercase}
.head-meta{padding:9px 13px;border:1px solid var(--line);border-radius:999px;color:#bdd7f4;background:rgba(15,23,42,.58)}
.wrap{padding:0 32px 42px}
.auth-layout{position:relative;z-index:1;display:grid;place-items:center;min-height:100vh;padding:24px}
.card{position:relative;margin-bottom:20px;padding:22px;border:1px solid var(--line);border-radius:18px;background:linear-gradient(180deg,var(--panel),rgba(12,19,35,.72));box-shadow:0 26px 70px rgba(0,0,0,.36);backdrop-filter:blur(18px);overflow:hidden}
.card:before{content:"";position:absolute;inset:0 0 auto;height:1px;background:linear-gradient(90deg,transparent,rgba(56,189,248,.8),transparent)}
.narrow{width:min(460px,100%);margin:auto}
h1,h2{margin:0 0 16px;color:#f8fafc}
h2{font-size:19px}
p{color:#cbd5e1}
.flash{margin-bottom:16px;padding:13px 16px;border:1px solid rgba(52,211,153,.35);border-radius:14px;background:rgba(6,78,59,.38);color:#bbf7d0}
.workspace{display:grid;grid-template-columns:320px minmax(0,1fr);gap:22px;align-items:start}
.profile-panel{position:sticky;top:24px}
.profile-panel p{display:grid;gap:5px;margin:15px 0;color:var(--muted)}
.profile-panel b{color:#fff}
.content-stack{min-width:0;display:grid;gap:20px}
.section-title{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;margin-bottom:18px}
.section-title p{max-width:440px;margin:2px 0 0;color:var(--muted);font-size:13px;text-align:right}
.form{display:grid;gap:14px}
.form-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
.inline-form{grid-template-columns:1fr 1fr auto;align-items:end}
.form label{display:grid;gap:7px;color:#cbd5e1;font-weight:600;font-size:14px}
.form input,.form select,.form textarea{width:100%;min-height:42px;border:1px solid rgba(148,163,184,.22);border-radius:11px;padding:10px 12px;color:#e2e8f0;background:rgba(2,6,23,.62);outline:none}
.form textarea{min-height:92px;resize:vertical}
.form input:focus,.form select:focus,.form textarea:focus{border-color:rgba(56,189,248,.82);box-shadow:0 0 0 3px rgba(56,189,248,.16)}
.form-actions{grid-column:1/-1;display:flex;align-items:center;gap:14px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:38px;border:1px solid rgba(56,189,248,.45);border-radius:11px;padding:9px 15px;color:#ecfeff;text-decoration:none;cursor:pointer;background:linear-gradient(135deg,rgba(14,165,233,.95),rgba(37,99,235,.95));box-shadow:0 12px 28px rgba(37,99,235,.22);transition:.16s ease;white-space:nowrap}
.btn:hover{transform:translateY(-1px);filter:brightness(1.08)}
.btn.secondary{border-color:rgba(148,163,184,.25);background:linear-gradient(135deg,rgba(51,65,85,.95),rgba(30,41,59,.95))}
.btn.danger{border-color:rgba(251,113,133,.5);background:linear-gradient(135deg,rgba(244,63,94,.95),rgba(190,18,60,.95))}
.tabs{display:grid;grid-template-columns:repeat(6,minmax(110px,1fr));gap:12px;margin-bottom:20px}
.tabs a{padding:14px 16px;border:1px solid var(--line);border-radius:15px;color:#cbd5e1;text-decoration:none;background:rgba(15,23,42,.62)}
.tabs a.active{color:#eff6ff;border-color:rgba(34,211,238,.55);background:linear-gradient(135deg,rgba(14,165,233,.34),rgba(139,92,246,.26));box-shadow:0 0 28px rgba(34,211,238,.12)}
.grid2{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
table{width:100%;border-collapse:separate;border-spacing:0;overflow:hidden;border:1px solid rgba(148,163,184,.14);border-radius:14px}
th,td{padding:12px 13px;text-align:left;vertical-align:middle;border-bottom:1px solid rgba(148,163,184,.12)}
th{color:#93c5fd;font-size:13px;background:rgba(15,23,42,.94)}
td{color:#dbeafe;background:rgba(15,23,42,.36)}
tr:hover td{background:rgba(30,41,59,.58)}
tr:last-child td{border-bottom:0}
.actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.actions form{margin:0}
.muted{color:var(--muted);font-size:13px}.danger{color:var(--red)}
@media(max-width:1100px){.app-shell{grid-template-columns:1fr}.side{position:relative;height:auto}.page-head{padding:22px 20px 14px}.wrap{padding:0 20px 34px}.workspace{grid-template-columns:1fr}.profile-panel{position:relative;top:auto}.grid2{grid-template-columns:repeat(2,1fr)}.tabs{grid-template-columns:repeat(3,1fr)}}
@media(max-width:760px){.side{padding:16px}.page-head{flex-direction:column;align-items:flex-start}.form-grid,.inline-form{grid-template-columns:1fr}.section-title{display:block}.section-title p{text-align:left}.tabs{grid-template-columns:1fr 1fr}.grid2{grid-template-columns:1fr}table{display:block;overflow-x:auto;white-space:nowrap}}