:root {
  --bg: #0b0c10;
  --card: #11131a;
  --text: #e9ecf1;
  --muted: #a6adbb;
  --line: #242836;
  --btn: #1b1f2b;
  --btn2: #23293a;
  --accent: #4f8cff;
  --radius: 14px;
}
* { box-sizing: border-box; } html, body { height: 100%; } body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  background: var(--bg);
  color: var(--text);
}
body { background: #0b0d10; color: #e8eef6; }
a { color: inherit; text-decoration: none; } .container { width: min(1100px, calc(100% - 32px)); margin: 0 auto; } .topbar { position: sticky; top: 0; background: 
rgba(11,12,16,.85); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); z-index: 10; } .topbar-inner { display: flex; align-items: center; justify-content: 
space-between; padding: 14px 0; gap: 12px; } .brand { font-weight: 700; letter-spacing: .2px; } .nav a { margin-left: 14px; color: var(--muted); } .nav a:hover { color: var(--text); 
}
.footer { border-top: 1px solid var(--line); margin-top: 50px; padding: 20px 0; color: var(--muted); } .footer-inner { display: flex; justify-content: space-between; } .hero { 
padding: 34px 0; } .hero h1 { margin: 0 0 8px; font-size: 42px; letter-spacing: -0.02em; } .hero-actions { margin-top: 18px; display: flex; gap: 10px; flex-wrap: wrap; } .cards { 
display: grid; grid-template-columns: repeat(12, 1fr); gap: 14px; } .card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; 
grid-column: span 6; box-shadow: 0 10px 30px rgba(0,0,0,.18); } .card.link:hover { border-color: #33405f; transform: translateY(-1px); transition: .15s ease; } .tool { padding: 24px 
0; } .tool-head h1 { margin: 0 0 6px; font-size: 30px; } .grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 14px; align-items: start; } .grid > .card { grid-column: 
span 6; } @media (max-width: 900px) { .grid > .card { grid-column: span 12; } .card { grid-column: span 12; } } label { display: grid; gap: 6px; margin: 12px 0; color: var(--muted); 
font-size: 14px; } input, select {
  background: #0f121a;
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: 12px;
  padding: 10px 12px;
  outline: none;
}
input:focus, select:focus { border-color: #33405f; } .row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; } @media (max-width: 520px) { .row { grid-template-columns: 
1fr; } } .checkbox { display: flex; gap: 10px; align-items: center; } .checkbox input { width: 18px; height: 18px; } .btn {
  background: var(--btn);
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: 12px;
  padding: 10px 12px;
  cursor: pointer;
}
.btn:hover { background: var(--btn2); } .btn.primary { background: rgba(79,140,255,.16); border-color: rgba(79,140,255,.35); } .muted { color: var(--muted); } .tiny { font-size: 
12px; } .tabs { display: flex; gap: 8px; margin: 10px 0 12px; flex-wrap: wrap; } .tab { background: transparent; border: 1px solid var(--line); padding: 8px 10px; border-radius: 
999px; color: var(--muted); cursor: pointer; } .tab.active { border-color: rgba(79,140,255,.55); color: var(--text); } .toolbar { display: flex; gap: 10px; margin: 6px 0 10px; 
flex-wrap: wrap; } .panel { border: 1px solid var(--line); border-radius: 12px; padding: 12px; background: #0f121a; min-height: 120px; white-space: pre-wrap; overflow-x: auto; } 
.hidden { display: none; }