/* Auth pages only — tokens/base/components loaded first */

.brand {
  position: relative;
  z-index: var(--z-base);
  text-align: center;
  margin: 28px 0 24px;
}

.brand-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  border-radius: 22px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  box-shadow: 0 12px 30px rgba(124, 92, 255, 0.35);
  font-size: 32px;
  font-weight: var(--fw-x);
  margin-bottom: 14px;
  overflow: hidden;
}

.brand-badge img,
.brand-badge .brand-logo {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.brand-badge.art-ready {
  background: transparent;
  box-shadow: none;
}

.brand-fallback {
  line-height: 1;
}

.brand h1 {
  margin: 0;
  font-size: 28px;
  font-weight: var(--fw-x);
  letter-spacing: 0.5px;
}

.brand p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: var(--fs-h3);
}

.card {
  position: relative;
  z-index: var(--z-base);
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--r-2xl);
  padding: 22px 18px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.tabs {
  display: flex;
  gap: var(--sp-2);
  margin-bottom: 18px;
  padding: 4px;
  background: var(--surface-1);
  border-radius: 14px;
}

.tab {
  flex: 1;
  border: none;
  background: transparent;
  color: var(--muted);
  padding: 10px 0;
  border-radius: 10px;
  font-size: var(--fs-h3);
  font-weight: var(--fw-m);
  cursor: pointer;
}

.tab.active {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
}

.field {
  margin-bottom: 14px;
}

.field label {
  display: block;
  margin-bottom: var(--sp-2);
  font-size: var(--fs-body);
  color: var(--muted);
}

.input-wrap {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  background: var(--input-bg);
  border: 1px solid var(--line-1);
  border-radius: 14px;
  padding: 4px 4px 4px 14px;
  transition: border-color var(--t-mid), box-shadow var(--t-mid);
}

.input-wrap:focus-within {
  border-color: var(--line-focus);
  box-shadow: 0 0 0 3px rgba(124, 92, 255, 0.15);
}

.input-wrap.error {
  border-color: rgba(255, 107, 138, 0.75);
  box-shadow: 0 0 0 3px rgba(255, 107, 138, 0.12);
}

.field-error {
  margin: 6px 2px 0;
  font-size: var(--fs-cap);
  color: var(--danger);
}

.input-wrap input {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  color: var(--text);
  font-size: 15px;
  padding: 12px 0;
  min-width: 0;
}

.input-wrap input::placeholder {
  color: rgba(245, 247, 255, 0.35);
}

.code-btn {
  flex-shrink: 0;
  border: none;
  border-radius: 10px;
  padding: 10px 12px;
  min-height: 32px;
  font-size: var(--fs-body);
  font-weight: var(--fw-m);
  color: #fff;
  background: rgba(124, 92, 255, 0.85);
  cursor: pointer;
  white-space: nowrap;
}

.code-btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.links {
  display: flex;
  justify-content: space-between;
  margin-top: var(--sp-4);
  font-size: var(--fs-body);
}

.links a {
  color: var(--accent);
  text-decoration: none;
}

.tip {
  margin-top: 14px;
  padding: 10px 12px;
  border-radius: var(--r-md);
  background: rgba(53, 215, 255, 0.08);
  border: 1px solid rgba(53, 215, 255, 0.18);
  color: rgba(245, 247, 255, 0.78);
  font-size: var(--fs-sub);
  line-height: 1.5;
}

/* auth 主按钮略大一档 */
.page .btn-primary.btn-block {
  border-radius: var(--r-lg);
  padding: 15px;
  margin-top: var(--sp-2);
  font-size: 16px;
}