:root{
    --bg:#0b1220;
    --bg-soft:#111a2b;
    --card:#0f1a30;
    --card2:#101f3a;
    --card3:rgba(255,255,255,.03);
    --text:#e8eefc;
    --text-soft:#cfdaf0;
    --muted:#9db0d1;
    --muted-2:#8ea0bf;
    --line:rgba(255,255,255,.08);
    --line-strong:rgba(255,255,255,.14);
    --brand:#3b82f6;
    --brand2:#2563eb;
    --brand-soft:rgba(59,130,246,.18);
    --danger:#dc4768;
    --danger-soft:rgba(220,71,104,.16);
    --success:#16a34a;
    --shadow:0 12px 34px rgba(0,0,0,.24);
    --radius:18px;
    --radius-sm:14px;
    --radius-xs:12px;
  }

  *{ box-sizing:border-box; }
  html, body{ margin:0; width:100%; min-height:100%; }
  body{ font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif; background: radial-gradient(1200px 600px at 20% 0%, rgba(59,130,246,.20), transparent 60%), radial-gradient(900px 500px at 100% 30%, rgba(37,99,235,.14), transparent 55%), linear-gradient(180deg, #09111d 0%, #0b1220 100%); color:var(--text); letter-spacing:.1px; line-height:1.55; }
  .container{ width:100%; max-width:1440px; margin:0 auto; padding:24px 28px 32px; }
  .card{ background:linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.025)); border:1px solid var(--line); border-radius:var(--radius); padding:20px; margin-bottom:18px; box-shadow:var(--shadow); backdrop-filter:blur(8px); }
  h1,h2,h3,h4{ margin:0; color:var(--text); line-height:1.35; } h3{ font-size:21px; font-weight:800; letter-spacing:.2px; } h4{ font-size:15px; font-weight:800; color:var(--text-soft); }
  .pageSub{ font-size:13px; color:var(--muted); margin-top:6px; line-height:1.7; }
  .hint{ font-size:12px; color:var(--muted); margin-top:8px; line-height:1.7; }
  label{ display:block; font-size:12px; color:#c6d4eb; margin-top:12px; margin-bottom:7px; font-weight:700; letter-spacing:.2px; }
  input, select, textarea{ width:100%; padding:12px 14px; border:1px solid var(--line-strong); border-radius:13px; background:rgba(6,13,25,.42); color:var(--text); outline:none; font-size:14px; line-height:1.45; transition:border-color .18s ease, box-shadow .18s ease, background .18s ease; }
  input::placeholder, textarea::placeholder{ color:#8ea0bf; }
  input:focus, select:focus, textarea:focus{ border-color:rgba(59,130,246,.58); box-shadow:0 0 0 4px rgba(59,130,246,.12); background:rgba(8,18,35,.60); }
  input:disabled{ opacity:.88; cursor:not-allowed; }
  textarea{ min-height:78px; resize:vertical; }
  select{ background:rgba(6,13,25,.42) !important; color:var(--text) !important; border:1px solid var(--line-strong) !important; appearance:none; }
  select option{ background:#0f1a30 !important; color:var(--text) !important; }
  .row{ display:grid; grid-template-columns:repeat(2, minmax(0,1fr)); gap:18px; }
  .tabs{ display:flex; gap:8px; flex-wrap:wrap; margin-top:16px; background:rgba(255,255,255,.03); border:1px solid var(--line); border-radius:18px; padding:8px; }
  .tab{ background:transparent; border:1px solid transparent; border-radius:999px; padding:11px 16px; cursor:pointer; user-select:none; color:var(--muted); font-size:13px; font-weight:800; transition:all .18s ease; }
  .tab:hover{ color:var(--text); background:rgba(255,255,255,.04); }
  .tab.active{ background:var(--brand-soft); color:var(--text); border-color:rgba(59,130,246,.35); box-shadow:inset 0 0 0 1px rgba(255,255,255,.03); }
  button{ margin-top:12px; padding:11px 14px; border:1px solid rgba(59,130,246,.30); border-radius:12px; cursor:pointer; background:linear-gradient(180deg, #3b82f6, #2563eb); color:#fff; font-size:13px; font-weight:800; letter-spacing:.15px; transition:transform .15s ease, box-shadow .18s ease, opacity .18s ease, background .18s ease; box-shadow:0 8px 18px rgba(37,99,235,.24); }
  button:hover{ transform:translateY(-1px); } button:active{ transform:translateY(0); }
  button.secondary{ background:rgba(255,255,255,.08); color:var(--text); border-color:rgba(255,255,255,.12); box-shadow:none; }
  button.secondary:hover{ background:rgba(255,255,255,.12); }
  button.danger{ background:var(--danger-soft); border-color:rgba(220,71,104,.32); color:#ffdbe3; box-shadow:none; } button.danger:hover{ background:rgba(220,71,104,.22); }
  .hidden{ display:none !important; }
  .previewBox{ background:rgba(255,255,255,.03); border:1px solid var(--line); border-radius:var(--radius); overflow:hidden; margin-top:12px; }
  iframe{ width:100%; height:80vh; border:0; background:#fff; border-radius:12px; }
  table{ width:100%; border-collapse:collapse; overflow:hidden; }
  th, td{ border:1px solid rgba(255,255,255,.08); padding:11px 12px; font-size:12px; vertical-align:top; line-height:1.6; }
  th{ color:var(--text); background:rgba(255,255,255,.05); text-align:left; font-weight:800; }
  td{ color:var(--text-soft); background:rgba(255,255,255,.015); }
  .toolbarCard{ position:sticky; top:10px; z-index:5; background:linear-gradient(180deg, rgba(15,26,48,.98), rgba(15,26,48,.92)); border:1px solid var(--line); border-radius:16px; padding:15px; margin-bottom:15px; backdrop-filter:blur(12px); box-shadow:var(--shadow); }
  .toolbarRow{ display:flex; gap:12px; flex-wrap:wrap; align-items:end; }
  .toolbarRow > div{ flex:1 1 220px; }
  .toolbarRow .btnWrap{ flex:1 1 340px; display:flex; gap:10px; align-items:end; flex-wrap:wrap; }
  .toolbarRow .btnWrap button{ margin-top:0; }
  .sectionGroup{ display:flex; flex-direction:column; gap:14px; margin-top:14px; }
  .sectionCard{ background:linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02)); border:1px solid var(--line); border-radius:18px; overflow:hidden; box-shadow:0 8px 24px rgba(0,0,0,.16); }
  .sectionHead{ width:100%; display:flex; align-items:center; justify-content:space-between; gap:12px; padding:16px 17px; margin:0; border:0; border-radius:0; background:transparent; color:var(--text); cursor:pointer; text-align:left; font-weight:800; box-shadow:none; }
  .sectionHead:hover{ background:rgba(255,255,255,.03); }
  .sectionHead .left{ display:flex; flex-direction:column; gap:5px; }
  .sectionHead .title{ font-size:15px; font-weight:800; letter-spacing:.2px; }
  .sectionHead .sub{ font-size:12px; color:var(--muted); font-weight:500; line-height:1.7; }
  .sectionHead .chev{ font-size:18px; line-height:1; transition:transform .2s ease, color .2s ease; color:var(--muted); }
  .sectionCard.open .sectionHead .chev{ transform:rotate(180deg); color:var(--text); }
  .sectionBody{ display:none; padding:0 17px 18px 17px; border-top:1px solid rgba(255,255,255,.06); }
  .sectionCard.open .sectionBody{ display:block; }
  .miniCard{ background:rgba(255,255,255,.025); border:1px solid rgba(255,255,255,.07); border-radius:15px; padding:15px; margin-top:16px; }
  .actionRow{ display:flex; gap:10px; flex-wrap:wrap; align-items:center; } .actionRow button{ margin-top:0; }
  .toast{ position:fixed; left:50%; bottom:18px; transform:translateX(-50%); background:rgba(6,13,25,.92); border:1px solid var(--line); color:var(--text); padding:11px 14px; border-radius:999px; font-size:13px; z-index:1000; max-width:min(560px, calc(100% - 24px)); text-align:center; box-shadow:var(--shadow); }
  .modal{ position:fixed; inset:0; background:rgba(0,0,0,.60); display:flex; align-items:center; justify-content:center; z-index:1001; padding:18px; pointer-events:auto; }
  .modal-card{ width:min(700px, 100%); background:linear-gradient(180deg, rgba(16,31,58,.98), rgba(15,26,48,.98)); border:1px solid var(--line); border-radius:var(--radius); padding:14px; box-shadow:0 18px 40px rgba(0,0,0,.35); }
  .modal-title{ font-weight:800; margin-bottom:8px; font-size:16px; letter-spacing:.2px; }
  .modal-body{ color:var(--text-soft); font-size:13px; line-height:1.7; }
  .modal-actions{ display:flex; gap:10px; justify-content:flex-end; margin-top:14px; flex-wrap:wrap; }
  .modal.hidden { display:none; }
  #modalCard { pointer-events:auto; }
  a{ color:#7fb0ff; text-decoration:none; } a:hover{ color:#a6c7ff; text-decoration:underline; }
  .colorGrid{ display:grid; grid-template-columns:repeat(3, minmax(0,1fr)); gap:14px; margin-top:14px; }
  .colorItem{ background:rgba(255,255,255,.03); border:1px solid rgba(255,255,255,.07); border-radius:16px; padding:14px; }
  .colorPreview{ height:54px; border-radius:12px; border:1px solid rgba(255,255,255,.14); margin-bottom:10px; box-shadow: inset 0 0 0 1px rgba(255,255,255,.04); }
  .colorLabel{ font-size:13px; font-weight:800; color:var(--text); margin-bottom:6px; }
  .colorSub{ font-size:12px; line-height:1.6; color:var(--muted); }
  #loginView{ width:min(460px, 100%); margin:10vh auto 0 auto; }
  .authTitle{ font-size:24px; font-weight:900; letter-spacing:.2px; margin-bottom:4px; }
  .authSub{ font-size:13px; color:var(--muted); line-height:1.7; }
  .panelIntro{ display:flex; justify-content:space-between; align-items:center; gap:12px; flex-wrap:wrap; }
  .panelIntro .meta{ display:flex; flex-direction:column; gap:3px; }
  .appName{ font-weight:900; font-size:19px; letter-spacing:.2px; }
  .topQuickRow{ display:flex; gap:12px; flex-wrap:wrap; margin-top:14px; }
  .quickMiniCard{ flex:1 1 280px; background:rgba(255,255,255,.03); border:1px solid var(--line); border-radius:16px; padding:14px; }
  .quickMiniTitle{ font-size:13px; font-weight:800; color:var(--text); margin-bottom:6px; }
  .quickMiniSub{ font-size:12px; color:var(--muted); line-height:1.6; margin-bottom:10px; }
  .pill{ display:inline-flex; align-items:center; gap:6px; padding:6px 10px; border-radius:999px; background:rgba(59,130,246,.15); border:1px solid rgba(59,130,246,.22); color:var(--text); font-size:12px; font-weight:700; }
  .miniMuted{ font-size:12px; color:var(--muted); }
  @media (max-width: 900px){ .colorGrid{ grid-template-columns:1fr; } }
  @media (max-width: 720px){ .container{ padding:12px; } .row{ grid-template-columns:1fr; } iframe{ height:64vh; } button{ width:100%; } .tabs{ gap:10px; } .tab{ flex:1 1 auto; text-align:center; } table{ display:block; overflow-x:auto; -webkit-overflow-scrolling:touch; } .toolbarRow .btnWrap{ flex-direction:column; align-items:stretch; } #loginView{ margin-top:8vh; } }
  body.booting #loginView, body.booting #appView{ display:none !important; }
  #bootScreen{ display:none; }
  body.booting #bootScreen{ display:flex; min-height:100vh; align-items:center; justify-content:center; }
  .bootCard{ width:min(420px, calc(100% - 24px)); padding:20px; border-radius:18px; border:1px solid var(--line); background:linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.025)); box-shadow:var(--shadow); backdrop-filter:blur(8px); text-align:center; }
  .bootTitle{ font-size:18px; font-weight:800; margin-bottom:8px; } .bootSub{ font-size:13px; color:var(--muted); }