/* Design tokens. Dark is the default; a light theme is available from the toggle. */
:root {
  color-scheme: light;
  --page: #EEF1F6;
  --page-2: #E6EAF1;
  --surface: #FFFFFF;
  --surface-2: #F6F8FB;
  --ink: #142033;
  --ink-2: #4A5568;
  --muted: #7B8794;
  --line: #DFE4EC;
  --line-strong: #C7CFDB;
  --accent: #1E6FD9;
  --accent-2: #0E9F8E;
  --accent-ink: #FFFFFF;
  --accent-soft: rgba(30, 111, 217, 0.10);
  --hero-grad: linear-gradient(135deg, #E3ECF9 0%, #EEF1F6 55%, #E6F4F1 100%);
  --shadow: 0 1px 2px rgba(20, 32, 51, 0.05), 0 10px 30px rgba(20, 32, 51, 0.07);
  --shadow-lg: 0 20px 50px rgba(20, 32, 51, 0.16);
  --good: #13803A;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, Consolas, monospace;
  --radius: 14px;
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --page: #0E141C; --page-2: #121A24; --surface: #16202C; --surface-2: #1B2633;
  --ink: #E8EDF3; --ink-2: #A8B3C1; --muted: #748194; --line: #243142; --line-strong: #314054;
  --accent: #5B9BF0; --accent-2: #34C3B0; --accent-ink: #08111C; --accent-soft: rgba(91, 155, 240, 0.12);
  --hero-grad: linear-gradient(135deg, #132033 0%, #0E141C 60%, #10221F 100%);
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 10px 30px rgba(0, 0, 0, 0.25);
  --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.45);
  --good: #3CC46B;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; overflow-x: clip; background: var(--page); color: var(--ink); font: 16px/1.65 var(--sans); -webkit-font-smoothing: antialiased; }
a { color: inherit; }
img { max-width: 100%; display: block; }
::selection { background: var(--accent); color: var(--accent-ink); }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; border-radius: 6px; }
.wrap { width: min(1200px, 100% - 32px); margin-inline: auto; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 20px; border-radius: 10px;
  font: 600 15px var(--sans); text-decoration: none; cursor: pointer; border: 1px solid transparent; transition: transform .15s, box-shadow .15s, background .15s; }
.btn svg { width: 18px; height: 18px; }
.btn-primary { background: var(--accent); color: var(--accent-ink); box-shadow: 0 6px 16px rgba(30, 111, 217, 0.25); }
.btn-primary:hover { transform: translateY(-1px); filter: brightness(1.05); }
.btn-ghost { background: var(--surface); color: var(--ink); border-color: var(--line-strong); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.icon-btn { display: inline-grid; place-items: center; width: 40px; height: 40px; border-radius: 10px; border: 1px solid var(--line); background: var(--surface); color: var(--ink-2); cursor: pointer; }
.icon-btn:hover { color: var(--accent); border-color: var(--accent); }
.icon-btn svg { width: 18px; height: 18px; }
.chip { display: inline-flex; align-items: center; padding: 4px 10px; border-radius: 999px; font-size: 12.5px; font-weight: 500; background: var(--surface-2); color: var(--ink-2); border: 1px solid var(--line); }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { transition: none !important; animation: none !important; } }