:root{
  --bg:#0a0e17;--panel:rgba(22,27,42,.75);--line:rgba(255,255,255,.08);
  --acc:#6c8cff;--acc2:#b478ff;--ok:#3ddc97;--warn:#ffb84d;--err:#ff5d6c;
  --txt:#e8edf7;--mut:#8b95ad;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--txt);font:15px/1.65 system-ui,'Segoe UI',Arial,sans-serif;overflow-x:hidden}
a{color:var(--acc);text-decoration:none}
.wrap{max-width:1000px;margin:0 auto;padding:0 20px}
.hidden{display:none}

/* Aurora bg */
.aurora{position:fixed;inset:0;z-index:-1;overflow:hidden;pointer-events:none}
.aurora span{position:absolute;border-radius:50%;filter:blur(110px);opacity:.35;animation:float 14s ease-in-out infinite}
.aurora span:nth-child(1){width:420px;height:420px;background:#4d6bff;top:-120px;left:-100px}
.aurora span:nth-child(2){width:360px;height:360px;background:#9b4dff;bottom:-140px;right:-80px;animation-delay:-5s}
.aurora span:nth-child(3){width:300px;height:300px;background:#00c2a8;top:45%;left:55%;animation-delay:-9s}
@keyframes float{0%,100%{transform:translate(0,0)}50%{transform:translate(40px,-40px)}}

/* Topbar */
.topbar{position:sticky;top:0;z-index:50;display:flex;justify-content:space-between;align-items:center;
  padding:14px 24px;background:rgba(10,14,23,.8);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.brand{font-size:19px;font-weight:800;letter-spacing:.5px;color:var(--txt)}
.brand span{margin-left:6px;padding:2px 8px;border-radius:6px;font-size:12px;font-weight:700;
  background:linear-gradient(135deg,var(--acc),var(--acc2));color:#fff}
.topbar nav{display:flex;align-items:center;gap:16px}
.topbar nav a{color:var(--mut);font-weight:600;font-size:14px;transition:.2s}
.topbar nav a:hover,.topbar nav a.active{color:var(--txt)}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:6px;border:none;border-radius:10px;cursor:pointer;
  padding:9px 18px;font-size:14px;font-weight:700;color:#fff;
  background:linear-gradient(135deg,var(--acc),var(--acc2));transition:.25s;box-shadow:0 4px 18px rgba(108,140,255,.35)}
.btn:hover{transform:translateY(-2px);box-shadow:0 8px 26px rgba(108,140,255,.5)}
.btn.ghost{background:transparent;border:1px solid var(--line);color:var(--txt);box-shadow:none}
.btn.ghost:hover{border-color:var(--acc);background:rgba(108,140,255,.1)}
.btn.sm{padding:6px 12px;font-size:13px}
.btn.lg{padding:14px 28px;font-size:16px;border-radius:12px}
.btn:disabled{opacity:.35;cursor:not-allowed;transform:none;box-shadow:none}
.btn.pulse{animation:pulse 1.2s infinite}
@keyframes pulse{0%,100%{box-shadow:0 4px 18px rgba(108,140,255,.4)}50%{box-shadow:0 4px 34px rgba(180,120,255,.75)}}
.ok-btn{background:linear-gradient(135deg,var(--ok),#2bb380)!important}

/* Hero */
.hero{text-align:center;padding:80px 20px 50px;max-width:760px;margin:0 auto}
.badge{display:inline-block;padding:7px 16px;border-radius:999px;font-size:13px;font-weight:600;
  background:rgba(108,140,255,.12);border:1px solid rgba(108,140,255,.3);margin-bottom:22px}
.hero h1{font-size:52px;line-height:1.12;font-weight:850;letter-spacing:-1.5px}
.grad{background:linear-gradient(135deg,var(--acc),var(--acc2));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero p{margin-top:20px;color:var(--mut);font-size:17px}
.hero p b{color:var(--txt)}
.cta{margin-top:34px;display:flex;gap:14px;justify-content:center;align-items:center;flex-wrap:wrap}

.chip{padding:6px 14px;border-radius:999px;font-size:13px;font-weight:700;border:1px solid}
.chip.ok{color:var(--ok);border-color:rgba(61,220,151,.4);background:rgba(61,220,151,.1)}
.chip.warn{color:var(--warn);border-color:rgba(255,184,77,.4);background:rgba(255,184,77,.1)}

/* Notice band */
.notice-band{background:linear-gradient(90deg,rgba(255,184,77,.14),rgba(255,93,108,.1));
  border-top:1px solid rgba(255,184,77,.3);border-bottom:1px solid rgba(255,184,77,.3)}
.notice-band .wrap{padding:14px 20px;text-align:center;color:#ffd9a3;font-weight:600}
.notice-band a{margin-left:8px;color:var(--warn);font-weight:800}

/* Sections */
.sec{font-size:28px;font-weight:800;margin-bottom:8px;letter-spacing:-.5px}
.sub{color:var(--mut);margin-bottom:22px}
section.wrap{padding-top:56px}

/* Steps row */
.steps-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:16px;margin-top:18px}
.step{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:22px;text-align:center;backdrop-filter:blur(8px)}
.step .n{width:42px;height:42px;margin:0 auto 12px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:18px;background:linear-gradient(135deg,var(--acc),var(--acc2));color:#fff}
.step p{font-weight:700;color:var(--txt)}

/* Template grid */
.tgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:18px}
.tcard{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:24px;
  backdrop-filter:blur(8px);transition:.3s;position:relative;overflow:hidden}
.tcard::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(108,140,255,.08),transparent);
  opacity:0;transition:.3s}
.tcard:hover{transform:translateY(-6px);border-color:rgba(108,140,255,.4);box-shadow:0 18px 44px rgba(0,0,0,.45)}
.tcard:hover::before{opacity:1}
.tico{font-size:32px;margin-bottom:12px}
.tcard h3{font-size:17px;margin-bottom:8px}
.tcard p{font-size:13.5px;color:var(--mut);margin-bottom:16px;min-height:62px}
.copy{position:relative;z-index:1}

/* Footer */
.foot{margin-top:80px;border-top:1px solid var(--line);padding:26px;text-align:center;color:var(--mut);font-size:13px}

/* Dashboard */
.hello{margin:44px 0 26px}
.hello h1{font-size:32px;font-weight:850;letter-spacing:-.8px}
.hello p{color:var(--mut);margin-top:4px}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px;margin-bottom:22px}
.stat{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:18px 20px;backdrop-filter:blur(8px)}
.stat span{display:block;font-size:12px;font-weight:700;letter-spacing:.6px;text-transform:uppercase;color:var(--mut);margin-bottom:6px}
.stat b{font-size:22px}
.c-ok{color:var(--ok)}.c-warn{color:var(--warn)}.c-err{color:var(--err)}.c-acc{color:var(--acc)}

.quota{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:18px 20px;margin-bottom:26px}
.qbar{height:10px;border-radius:999px;background:rgba(255,255,255,.08);overflow:hidden;margin-bottom:10px}
.qfill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--acc),var(--acc2));transition:width .5s}
.quota p{font-size:13px;color:var(--mut)}

/* Panels */
.panel{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:26px;margin-bottom:26px;backdrop-filter:blur(10px)}
.panel.glow{box-shadow:0 0 50px rgba(108,140,255,.12)}
.phead{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px;flex-wrap:wrap;gap:10px}
.panel h2{font-size:20px;font-weight:800}
label{display:block;font-weight:700;font-size:14px;margin:14px 0 6px;color:var(--txt)}
input,textarea,select{width:100%;background:rgba(10,14,23,.7);color:var(--txt);border:1px solid var(--line);
  border-radius:10px;padding:11px 13px;font:inherit;transition:.2s}
input:focus,textarea:focus{outline:none;border-color:var(--acc);box-shadow:0 0 0 3px rgba(108,140,255,.18)}
textarea{min-height:78px;resize:vertical}
.frow{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.model-row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.model-row select{flex:1;min-width:200px}
.hint-inline{font-weight:500!important;font-size:12.5px;color:var(--mut)}
.alert small{opacity:.75;font-weight:400}
.inline{display:inline}

/* Flow */
.q{font-size:16px}
.chk{display:flex;align-items:center;gap:10px;font-weight:500!important;padding:8px 12px;border:1px solid var(--line);
  border-radius:10px;margin:6px 0;cursor:pointer;transition:.2s}
.chk:hover{border-color:var(--acc);background:rgba(108,140,255,.07)}
.chk input{width:auto;accent-color:var(--acc)}
.dots{display:flex;gap:10px;margin:18px 0}
.dot{width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;
  background:rgba(255,255,255,.06);border:1px solid var(--line);transition:.3s}
.dot.cur{border-color:var(--acc);color:var(--acc);box-shadow:0 0 12px rgba(108,140,255,.4)}
.dot.done{background:var(--ok);border-color:var(--ok);color:#04120c}
.done-msg{color:var(--ok);font-weight:700;padding:14px 0}
.loader{width:38px;height:38px;margin:26px auto;border:3px solid rgba(255,255,255,.1);
  border-top-color:var(--acc);border-radius:50%;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* AI result */
.ai-card{background:rgba(10,14,23,.85);border:1px solid rgba(108,140,255,.3);border-radius:14px;padding:22px;margin-top:22px;
  animation:fade .4s ease}
.ai-card h3{margin-bottom:12px;font-size:17px}
.ai-body{font-size:14px;white-space:pre-wrap;line-height:1.75;color:#d3dbec}
@keyframes fade{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}

/* History */
.hist{border:1px solid var(--line);border-radius:12px;padding:12px 16px;margin:10px 0;cursor:pointer;transition:.2s;background:rgba(10,14,23,.4)}
.hist:hover{border-color:rgba(108,140,255,.35)}
.hist summary{font-weight:700;color:var(--acc);list-style:none}
.hist summary::-webkit-details-marker{display:none}
.hist-body{margin-top:12px;font-size:13px;white-space:pre-wrap;color:#c6cede;border-top:1px dashed var(--line);padding-top:12px}
.dot-ico{margin-right:8px;color:var(--acc2)}
.empty{color:var(--mut);text-align:center;padding:26px 0}

/* Alerts */
.alert{border-radius:12px;padding:13px 18px;margin-bottom:22px;font-weight:700;font-size:14px}
.alert.ok{background:rgba(61,220,151,.12);border:1px solid rgba(61,220,151,.35);color:var(--ok)}
.alert.err{background:rgba(255,93,108,.12);border:1px solid rgba(255,93,108,.35);color:var(--err)}

/* Table */
.tbl-wrap{overflow-x:auto;border-radius:12px;border:1px solid var(--line)}
.tbl{width:100%;border-collapse:collapse;min-width:520px}
.tbl th,.tbl td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line);font-size:14px}
.tbl th{background:rgba(255,255,255,.04);font-size:12px;text-transform:uppercase;letter-spacing:.6px;color:var(--mut)}
.tbl tr:last-child td{border-bottom:none}
.tbl td b{color:var(--txt)}

/* Switch */
.switch{appearance:none;-webkit-appearance:none;width:42px!important;height:23px;border-radius:999px!important;
  background:rgba(255,255,255,.14)!important;border:1px solid var(--line)!important;position:relative;cursor:pointer;transition:.25s;padding:0!important}
.switch::after{content:'';position:absolute;top:2px;left:2px;width:17px;height:17px;border-radius:50%;
  background:#fff;transition:.25s}
.switch:checked{background:linear-gradient(135deg,var(--acc),var(--acc2))!important;border-color:transparent!important}
.switch:checked::after{transform:translateX(19px)}

/* Auth forms */
.form-box{max-width:440px;margin:90px auto 40px;background:var(--panel);border:1px solid var(--line);
  border-radius:20px;padding:36px;backdrop-filter:blur(12px)}
.form-box h1{font-size:26px;font-weight:850;margin-bottom:6px}
.form-box>p{color:var(--mut);font-size:13.5px;margin-top:16px}
.err{color:var(--err);margin:10px 0;font-weight:600;font-size:13.5px}

@media(max-width:640px){
  .hero h1{font-size:34px}
  .frow{grid-template-columns:1fr}
  .topbar{flex-wrap:wrap;gap:10px}
  .topbar nav{gap:10px;flex-wrap:wrap}
}
.hint{font-size:12.5px;color:var(--mut);margin-top:10px}
select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238b95ad' stroke-width='3'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 13px center;padding-right:36px}