/* =========================================================
   Auth layout — shared login / register page styles
   ========================================================= */

.auth-page {
  min-height: 100vh;
  display: grid; place-items: center;
  padding: 32px 20px;
  background: var(--sw-bg);
  background-image:
    radial-gradient(circle at 0% 0%, var(--sw-primary-light), transparent 40%),
    radial-gradient(circle at 100% 100%, var(--sw-accent-light), transparent 40%);
}

.auth-card {
  width: 100%;
  max-width: 420px;
  background: #fff;
  border: 1px solid var(--sw-border);
  border-radius: 20px;
  box-shadow: var(--sw-shadow-lg);
  overflow: hidden;
}
.auth-card__head {
  padding: 32px 32px 24px;
  text-align: center;
}
.auth-card__brand {
  display: inline-flex; align-items: center; gap: 10px;
  margin-bottom: 16px;
  text-decoration: none;
}
.auth-card__brand img { width: 36px; height: 36px; }
.auth-card__brand-name {
  font-family: var(--sw-font-en);
  font-weight: 700; font-size: 20px;
  letter-spacing: -0.01em; color: var(--sw-text);
}
.auth-card__brand-name .dot { color: var(--sw-accent); }
.auth-card__sub {
  font-family: var(--sw-font-jp);
  font-weight: 700; font-size: 13px;
  color: var(--sw-primary);
  margin: 4px 0 0;
}
.auth-card h1 {
  font-family: var(--sw-font-jp);
  font-weight: 900; font-size: 22px;
  line-height: 1.4;
  margin: 12px 0 6px;
  color: var(--sw-text);
}
.auth-card__lead {
  font-size: 13px; line-height: 1.7;
  color: var(--sw-text-secondary);
  margin: 0;
  max-width: 30ch;
  margin-left: auto; margin-right: auto;
}

.auth-card__body { padding: 8px 32px 32px; }
.auth-card__body .form-group { margin-bottom: 16px; }
.auth-card__body .form-group label {
  display: block;
  font-family: var(--sw-font-jp); font-weight: 600;
  font-size: 12px; color: var(--sw-text-secondary);
  margin-bottom: 6px;
}
.auth-card__body .form-input {
  width: 100%;
  padding: 12px 14px;
  background: #fff;
  border: 1.5px solid var(--sw-border-strong, #D4D4D8);
  border-radius: 10px;
  font-family: var(--sw-font-jp);
  font-size: 15px;
  color: var(--sw-text);
  outline: none;
  transition: border-color var(--sw-dur-fast) var(--sw-ease), box-shadow var(--sw-dur-fast) var(--sw-ease);
}
.auth-card__body .form-input:focus {
  border-color: var(--sw-primary);
  box-shadow: 0 0 0 3px var(--sw-primary-light);
}
.auth-card__body .form-input::placeholder {
  color: var(--sw-text-muted);
  font-family: var(--sw-font-mono);
}
.auth-card__body button[type="submit"] {
  width: 100%;
  padding: 14px;
  background: var(--sw-primary);
  color: #fff;
  border: 0;
  border-radius: 10px;
  font-family: var(--sw-font-jp);
  font-weight: 700;
  font-size: 15px;
  cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  transition: background var(--sw-dur-fast) var(--sw-ease);
}
.auth-card__body button[type="submit"]:hover { background: var(--sw-primary-hover); }

.auth-card__foot {
  padding: 16px 32px;
  background: var(--sw-bg);
  border-top: 1px solid var(--sw-border);
  display: flex; justify-content: center; gap: 16px;
  font-size: 13px;
}
.auth-card__foot a {
  color: var(--sw-text-secondary);
  text-decoration: none;
  font-family: var(--sw-font-jp);
  font-weight: 500;
}
.auth-card__foot a:hover { color: var(--sw-primary); }
.auth-card__foot .sep { color: var(--sw-text-muted); }

.auth-page__below {
  margin-top: 16px;
  text-align: center;
  font-size: 12px;
  color: var(--sw-text-secondary);
}
.auth-page__below a {
  color: var(--sw-primary);
  font-weight: 600;
  text-decoration: none;
}
.auth-page__below a:hover { text-decoration: underline; }