* { box-sizing: border-box; margin: 0; }
html, body { height: 100%; }
body {
  background: var(--vb-bg); color: var(--vb-text);
  font: 16px/1.5 var(--vb-font-text); -webkit-font-smoothing: antialiased;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: 48px 16px;
}
main { width: 100%; max-width: 380px; }
.brand { display: block; width: 188px; height: 40px; margin: 0 auto 56px; background: var(--vb-wordmark) center / contain no-repeat; }
h1 { font: 600 28px/1.2 var(--vb-font); letter-spacing: -.02em; text-align: center; }
.lead { color: var(--vb-muted); text-align: center; margin: 10px 0 32px; font-size: 15px; }
form { display: grid; gap: 12px; }
label.field { display: block; }
label.field span { display: block; font-size: 13px; color: var(--vb-muted); margin: 0 0 6px 4px; }
input[type=text], input[type=password] {
  width: 100%; height: 54px; padding: 0 18px;
  background: var(--vb-surface-2); color: var(--vb-text);
  border: 1px solid transparent; border-radius: var(--vb-radius);
  font: 17px var(--vb-font-text); outline: none; transition: border-color .15s, box-shadow .15s;
}
input:focus { border-color: var(--vb-accent); box-shadow: 0 0 0 4px color-mix(in srgb, var(--vb-accent) 22%, transparent); }
input.code { text-align: center; font: 600 30px var(--vb-font); letter-spacing: .4em; padding-left: calc(18px + .4em); height: 68px; }
.check { display: flex; align-items: center; gap: 10px; font-size: 15px; color: var(--vb-muted); margin: 4px 4px 8px; cursor: pointer; }
.check input { width: 18px; height: 18px; accent-color: var(--vb-accent); }
.btn {
  display: flex; align-items: center; justify-content: center; width: 100%; height: 54px;
  background: var(--vb-accent); color: var(--vb-accent-fg); border: 0; border-radius: var(--vb-radius);
  font: 600 17px var(--vb-font); letter-spacing: -.01em; cursor: pointer; text-decoration: none;
  transition: background .15s, transform .05s;
}
.btn:hover { background: var(--vb-accent-hover); }
.btn:active { transform: scale(.99); }
.btn:focus-visible { outline: 2px solid var(--vb-accent); outline-offset: 3px; }
.btn[disabled] { opacity: .5; cursor: default; }
.btn.secondary { background: var(--vb-surface-2); color: var(--vb-text); }
.btn.secondary:hover { background: var(--vb-line); }
.links { display: flex; justify-content: center; gap: 24px; margin-top: 24px; }
.link { background: none; border: 0; padding: 0; color: var(--vb-muted); font: 15px var(--vb-font-text); cursor: pointer; text-decoration: none; }
.link:hover { color: var(--vb-text); }
.stack { display: grid; gap: 12px; }
.msg { min-height: 22px; margin-top: 16px; text-align: center; font-size: 15px; color: var(--vb-danger); }
footer { margin-top: 64px; font-size: 12px; color: var(--vb-muted); }
[hidden] { display: none !important; }