/* Shared tokens + base for the landing page and the web vault. One accent, one radius scale. */
:root {
  --bg: #fafafa;
  --surface: #ffffff;
  --surface-2: #f1f3f7;
  --tint: #eaf0fd;
  --fg: #16181d;
  --muted: #5b616e;
  --line: #e2e5eb;
  --accent: #2457d6;
  --accent-hover: #1c47b3;
  --accent-fg: #ffffff;
  --danger: #c0352b;
  --ok: #1f7a4d;
  --radius: 10px;
  --shadow: 0 1px 2px rgb(22 24 29 / .06), 0 8px 24px rgb(36 87 214 / .08);
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "Cascadia Code", "SF Mono", Menlo, Consolas, monospace;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111317;
    --surface: #181b21;
    --surface-2: #1f232b;
    --tint: #1a2540;
    --fg: #eceef2;
    --muted: #a0a6b2;
    --line: #2b3039;
    --accent: #5b86f0;
    --accent-hover: #7a9df4;
    --accent-fg: #0d1220;
    --danger: #ff7b6e;
    --ok: #4cc38a;
    --shadow: 0 1px 2px rgb(0 0 0 / .3), 0 8px 24px rgb(0 0 0 / .35);
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 16px/1.55 var(--font); }
a { color: var(--accent); text-underline-offset: 3px; }
img { max-width: 100%; height: auto; display: block; }
h1, h2, h3 { line-height: 1.15; letter-spacing: -0.02em; margin: 0; }
p { margin: 0; }
code, kbd { font-family: var(--mono); font-size: .9em; background: var(--surface-2); padding: 1px 6px; border-radius: 6px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.wrap { max-width: 1160px; margin: 0 auto; padding: 0 24px; }

/* buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; white-space: nowrap;
  padding: 10px 18px; border-radius: var(--radius); border: 1px solid var(--line); background: var(--surface);
  color: var(--fg); font: 600 15px/1.2 var(--font); text-decoration: none; cursor: pointer;
  transition: background .15s, border-color .15s, transform .1s; }
.btn:hover { border-color: var(--muted); }
.btn:active { transform: translateY(1px); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-fg); }
.btn.primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
.btn.danger { color: var(--danger); }
.btn.small { padding: 6px 12px; font-size: 13px; font-weight: 500; }
.btn:disabled { opacity: .6; cursor: default; }

/* forms */
label { display: block; font-size: 14px; font-weight: 600; margin: 14px 0 6px; }
input, textarea, select { width: 100%; padding: 10px 12px; border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--surface); color: var(--fg); font: 15px/1.4 var(--font); }
input::placeholder, textarea::placeholder { color: var(--muted); }
textarea { min-height: 84px; resize: vertical; }
.hint { color: var(--muted); font-size: 13px; margin-top: 6px; }
.error { color: var(--danger); font-size: 14px; margin-top: 10px; min-height: 1em; }
.ok { color: var(--ok); }

/* brand mark (same lock as the extension icon) */
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; font-size: 17px; color: var(--fg); text-decoration: none; }
.brand img { width: 28px; height: 28px; border-radius: 7px; }

@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }