/* 登录/注册页 */

.auth-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2em 1em;
}
.auth-card {
  width: 100%;
  max-width: 420px;
  background: var(--paper-soft);
  border: 1px solid var(--line);
  box-shadow: 0 4px 20px var(--shadow);
  padding: 2.5em 2em 2em;
  text-align: center;
  position: relative;
}
.auth-card .brand {
  font-family: var(--font-kai);
  font-size: 1.8em;
  letter-spacing: 0.4em;
  color: var(--ink);
  text-indent: 0.4em;
  margin: 0 0 0.2em;
}
.auth-card .brand-sub {
  color: var(--ink-light);
  letter-spacing: 0.3em;
  font-size: 0.85em;
  margin: 0 0 1.8em;
}
.auth-card .seal {
  position: absolute;
  top: 1.4em;
  right: 1.4em;
  transform: rotate(-4deg);
  font-size: 0.7em;
}
.auth-card form { text-align: left; }
.auth-card .field { margin-bottom: 1.1em; }
.auth-card .actions { margin-top: 1.4em; }
.auth-card .actions .btn { width: 100%; }
.auth-card .alt {
  margin-top: 1.4em;
  text-align: center;
  color: var(--ink-soft);
  font-size: 0.9em;
}
.auth-card .alt a { color: var(--vermilion); }