:root{
  --orvix-purple:#7B3FE4;
  --orvix-cyan:#1CC8EE;
  --orvix-grad:linear-gradient(135deg,#7B3FE4 0%,#1CC8EE 100%);
  --orvix-grad-soft:linear-gradient(135deg,rgba(123,63,228,.08) 0%,rgba(28,200,238,.08) 100%);
  --ink:#0A0E1A;
  --ink-2:#1F2430;
  --muted:#6B7280;
  --bg:#F7F8FB;
  --card:#FFFFFF;
  --border:#E6E8EE;
  --border-2:#D4D7DF;
  --link:#5B2DC9;
  --danger:#C4314B;
  --warn:#B86514;
  --ok:#0A7A3B;
  --shadow:0 1px 2px rgba(10,14,26,.04),0 2px 8px rgba(10,14,26,.04);
  --shadow-lg:0 8px 30px rgba(123,63,228,.18);
}

*{box-sizing:border-box}
html,body{background:var(--bg);color:var(--ink)}
body{margin:0;font-family:"Inter",ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;line-height:1.55;-webkit-font-smoothing:antialiased;font-feature-settings:"ss01","cv11"}
a{color:var(--link);text-decoration:none}
a:hover{text-decoration:underline}

.brand{display:inline-flex;align-items:center;gap:.55rem;font-weight:700;letter-spacing:.02em;color:var(--ink);font-size:1.05rem}
.brand img{height:26px;width:26px;display:block}
.brand .name{background:var(--orvix-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.brand-lg{font-size:1.25rem}
.brand-lg img{height:34px;width:34px}

.topbar{background:#fff;border-bottom:1px solid var(--border);padding:.75rem 1.25rem;display:flex;justify-content:space-between;align-items:center;position:sticky;top:0;z-index:10;backdrop-filter:saturate(1.2) blur(6px)}
.topbar .right{display:flex;align-items:center;gap:.5rem}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:.4rem;background:var(--orvix-grad);color:#fff;padding:.65rem 1.1rem;border-radius:10px;font-weight:600;font-size:.95rem;border:0;cursor:pointer;text-decoration:none;transition:transform .06s ease, box-shadow .15s ease, opacity .15s ease;box-shadow:0 4px 14px rgba(123,63,228,.28)}
.btn:hover{text-decoration:none;box-shadow:0 6px 20px rgba(123,63,228,.36);transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn:disabled{opacity:.6;cursor:not-allowed;box-shadow:none}
.btn.secondary{background:#fff;color:var(--ink);border:1px solid var(--border-2);box-shadow:none}
.btn.secondary:hover{border-color:var(--orvix-purple);color:var(--orvix-purple);box-shadow:0 2px 10px rgba(123,63,228,.12)}
.btn.ghost{background:transparent;color:var(--muted);box-shadow:none}
.btn.ghost:hover{color:var(--ink);background:rgba(10,14,26,.04)}
.btn.small{padding:.4rem .75rem;font-size:.85rem;border-radius:8px}
.btn.danger{background:var(--danger);box-shadow:0 3px 10px rgba(196,49,75,.28)}
.btn.danger:hover{box-shadow:0 5px 14px rgba(196,49,75,.36)}
.btn.warn{background:var(--warn)}

.card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:1.25rem 1.35rem;margin:.75rem 0;box-shadow:var(--shadow)}
.card h3{margin:0;font-size:1rem}

.badge{display:inline-block;padding:3px 10px;border-radius:999px;font-size:.75rem;font-weight:600;letter-spacing:.03em;text-transform:uppercase;background:var(--orvix-grad-soft);color:var(--orvix-purple);border:1px solid rgba(123,63,228,.22)}
.badge.alpha{background:var(--orvix-grad);color:#fff;border:0}
.badge.admin{background:#8b0000;color:#fff;border:0}
.badge.user{background:var(--border);color:var(--ink-2);border:0}
.badge.inactive{background:#8a8f9a;color:#fff;border:0}

.muted{color:var(--muted);font-size:.9rem}
.hairline{height:1px;background:var(--border);margin:1.25rem 0;border:0}

.gradient-text{background:var(--orvix-grad);-webkit-background-clip:text;background-clip:text;color:transparent}

input,select,textarea{width:100%;padding:.6rem .7rem;border:1px solid var(--border-2);border-radius:8px;font:inherit;margin:.25rem 0 .75rem;background:#fff;color:var(--ink);transition:border-color .15s, box-shadow .15s}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--orvix-purple);box-shadow:0 0 0 3px rgba(123,63,228,.15)}

.flash{background:#fff8c5;border:1px solid #d4a72c;padding:.55rem 1rem;border-radius:8px;margin:.5rem 0;color:#664d03;font-size:.92rem}
.flash.error{background:#fdecee;border-color:#f1aeb5;color:#58151c}
.flash.ok{background:#dff5e4;border-color:#a3cfbb;color:#0a3622}

code,kbd{background:rgba(10,14,26,.06);padding:2px 6px;border-radius:4px;font-family:ui-monospace,"SF Mono",Menlo,monospace;font-size:.9em}

.wrap{max-width:56rem;margin:0 auto;padding:2.5rem 1.25rem}
h1{font-size:2.25rem;margin:0 0 .5rem;font-weight:800;letter-spacing:-.02em}
h2{font-size:1.2rem;margin:2rem 0 .75rem;letter-spacing:-.01em}
h3{letter-spacing:-.005em}

/* Hero */
.hero{padding:3.5rem 0 2rem;text-align:left}
.hero .eyebrow{display:inline-flex;align-items:center;gap:.45rem;font-size:.8rem;font-weight:600;color:var(--orvix-purple);letter-spacing:.08em;text-transform:uppercase;margin-bottom:1rem}
.hero .dot{width:6px;height:6px;border-radius:999px;background:var(--orvix-grad)}
.hero h1{font-size:clamp(2rem,4.2vw,3rem);line-height:1.08}
.hero .tagline{color:var(--muted);font-size:1.1rem;margin:.75rem 0 1.75rem;max-width:38rem}
.hero-actions{display:flex;gap:.6rem;flex-wrap:wrap;align-items:center}

/* Feature grid */
.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:.85rem;margin-top:1.25rem}
.feat{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:1rem 1.15rem;box-shadow:var(--shadow)}
.feat .num{display:inline-block;font-family:ui-monospace,"SF Mono",Menlo,monospace;font-size:.8rem;color:var(--orvix-purple);font-weight:700;background:var(--orvix-grad-soft);padding:2px 8px;border-radius:6px;margin-bottom:.5rem}
.feat strong{display:block;margin-bottom:.25rem;font-size:1rem}
.feat p{margin:0;color:var(--muted);font-size:.92rem;line-height:1.5}
@media(max-width:640px){.grid{grid-template-columns:1fr}}

/* Admin topbar override */
.topbar.admin{background:linear-gradient(90deg,#3a0b0b 0%,#6b1414 100%);color:#fff;border-bottom:0}
.topbar.admin .brand .name{color:#fff;background:none;-webkit-background-clip:initial}
.topbar.admin a,.topbar.admin .btn.ghost{color:rgba(255,255,255,.88)}
.topbar.admin .btn.ghost:hover{background:rgba(255,255,255,.1);color:#fff}

/* Modal */
.modal{position:fixed;inset:0;background:rgba(10,14,26,.55);display:flex;align-items:center;justify-content:center;padding:1rem;z-index:100;backdrop-filter:blur(2px)}
.modal-inner{background:#fff;border-radius:14px;padding:1.5rem;max-width:40rem;width:100%;box-shadow:var(--shadow-lg)}
.modal h3{margin:0 0 1rem;font-size:1.15rem}
.url-box{background:rgba(10,14,26,.04);padding:.75rem;border-radius:8px;font-family:ui-monospace,"SF Mono",Menlo,monospace;font-size:.85rem;word-break:break-all;margin:.5rem 0;border:1px solid var(--border)}
.warn-text{background:#fff3cd;border:1px solid #ffeeba;color:#664d03;padding:.55rem .75rem;border-radius:8px;font-size:.88rem;margin:.5rem 0}

/* Table */
table{width:100%;border-collapse:collapse;font-size:.92rem}
th,td{text-align:left;padding:.6rem .85rem;border-bottom:1px solid var(--border)}
th{background:#fbfbfd;font-weight:600;font-size:.76rem;text-transform:uppercase;letter-spacing:.04em;color:var(--muted)}
tr:last-child td{border-bottom:0}

/* Chat */
.msg{background:#fff;border:1px solid var(--border);border-radius:12px;padding:.85rem 1rem;margin:.6rem 0;white-space:pre-wrap;word-break:break-word;box-shadow:var(--shadow)}
.msg.user{background:linear-gradient(180deg,rgba(28,200,238,.07) 0%,rgba(123,63,228,.06) 100%);border-color:rgba(123,63,228,.22)}
.msg.assistant{background:#fff}
.msg .role{font-size:.7rem;color:var(--muted);font-weight:700;text-transform:uppercase;letter-spacing:.07em;margin-bottom:.35rem}
.compose{background:#fff;border-top:1px solid var(--border);padding:1rem;flex:0 0 auto}
.compose form{max-width:50rem;margin:0 auto;display:flex;gap:.6rem}
.compose textarea{flex:1;min-height:2.8rem;max-height:10rem;resize:vertical;margin:0}

/* Footer */
.footer{color:var(--muted);font-size:.85rem;padding:2.5rem 0 1rem;border-top:1px solid var(--border);margin-top:3rem;display:flex;justify-content:space-between;flex-wrap:wrap;gap:.5rem}