:root {
  --bg: #0c0c0e;
  --panel: #141418;
  --border: #26262c;
  --text: #ececf1;
  --muted: #9b9ba3;
  --accent: #3b82f6;
  --accent2: #22c55e;
  --danger: #ef4444;
  --radius: 12px;
  --font: "Segoe UI", system-ui, -apple-system, sans-serif;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, #12121a 0%, var(--bg) 100%);
}
.brand { display: flex; gap: 0.75rem; align-items: center; }
.logo {
  width: 36px; height: 36px; border-radius: 10px;
  background: conic-gradient(from 210deg, var(--accent), var(--accent2), var(--accent));
}
.title { font-weight: 700; letter-spacing: -0.02em; }
.subtitle { font-size: 0.75rem; color: var(--muted); }
.auth { display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; }
.auth input { min-width: 200px; padding: 0.45rem 0.6rem; border-radius: 8px; border: 1px solid var(--border); background: var(--panel); color: var(--text); }
.auth button, button {
  padding: 0.45rem 0.9rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  cursor: pointer;
  font-weight: 600;
}
.auth button:hover, button:hover { border-color: var(--accent); color: #fff; }
.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
  background: #101014;
}
.tab {
  padding: 0.4rem 0.75rem;
  border-radius: 999px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 0.82rem;
}
.tab.active { color: #fff; border-color: var(--border); background: var(--panel); }
main { flex: 1; padding: 1rem 1.25rem 2rem; max-width: 1280px; margin: 0 auto; width: 100%; }
.panel.hidden { display: none; }
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 1rem; }
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem 1.25rem;
  box-shadow: 0 12px 40px rgba(0,0,0,0.35);
}
.card h2 { margin: 0 0 0.75rem; font-size: 1rem; letter-spacing: 0.04em; text-transform: uppercase; color: var(--muted); font-weight: 700; }
.mono { white-space: pre-wrap; font-family: ui-monospace, "Cascadia Code", Consolas, monospace; font-size: 0.82rem; line-height: 1.45; }
.mono.small { font-size: 0.75rem; max-height: 320px; overflow: auto; }
.row { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 0.75rem; }
.hint { color: var(--muted); font-size: 0.85rem; line-height: 1.4; }
.switch { display: flex; align-items: center; gap: 0.5rem; margin: 0.5rem 0; }
label { display: block; margin-top: 0.5rem; font-size: 0.8rem; color: var(--muted); }
input[type="text"], input[type="number"], textarea {
  width: 100%; margin-top: 0.25rem; padding: 0.45rem 0.55rem; border-radius: 8px;
  border: 1px solid var(--border); background: #0a0a0c; color: var(--text);
}
.suggestions { margin-top: 0.75rem; display: flex; flex-direction: column; gap: 0.5rem; }
.sug {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.65rem 0.85rem;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.5rem;
  align-items: start;
}
.sug .meta { color: var(--muted); font-size: 0.78rem; }
.footer {
  padding: 0.75rem 1rem;
  text-align: center;
  font-size: 0.75rem;
  color: var(--muted);
  border-top: 1px solid var(--border);
}