/*
  인증 화면(로그인/회원가입) UI — tss-theme 토큰 (Step11)
  - 레거시 --google-* / #e0e0e0 / #ddd 하드코딩 대체
  - scope: .auth-page
*/

.auth-page {
  background: var(--tss-bg, #f6f7f9);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  color: var(--tss-text, #111827);
  font-family: inherit;
}

/* Bootstrap 유틸 최소 대체 (CDN 제거 후 아이콘 간격·버튼 레이아웃) */
.auth-page .me-2 { margin-right: 0.5rem; }
.auth-page .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  text-decoration: none;
  box-sizing: border-box;
}

.auth-page .auth-card {
  background: var(--tss-surface, #fff);
  border-radius: var(--tss-radius-lg, 14px);
  box-shadow: var(--tss-shadow-md, 0 4px 12px rgba(15, 23, 42, 0.10));
  padding: 48px 44px;
  max-width: 420px;
  width: 100%;
  border: 1px solid var(--tss-border, #e5e7eb);
}

.auth-page .auth-card--register {
  max-width: 500px;
  padding: 28px 24px;
  margin: 50px auto;
}

.auth-page .auth-toolbar {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.auth-page .auth-header {
  text-align: center;
  margin-bottom: 28px;
}

.auth-page .auth-logo {
  width: 240px;
  height: 240px;
  background: transparent;
  border-radius: var(--tss-radius-lg, 14px);
  display: flex;
  align-items: center;
  justify-content: center;
  /* 로고 아래 여백 — 부제목과 간격 */
  margin: 0 auto 1.25rem;
  overflow: hidden;
  position: relative;
}

.auth-page .auth-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.auth-page .auth-subtitle {
  color: var(--tss-muted, #64748b);
  font-size: 0.9375rem;
  margin: 0;
  font-weight: 400;
  line-height: 1.45;
}

.auth-page .auth-message {
  text-align: center;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--tss-text, #111827);
  margin: 1.5rem 0 0.5rem;
}

.auth-page .auth-field {
  margin-bottom: 1.15rem;
}

/* 라벨: 입력창 위 작은 muted 텍스트 (12px) */
.auth-page .auth-label {
  display: block;
  font-weight: 500;
  font-size: 12px;
  color: var(--tss-muted, #64748b);
  margin-bottom: 0.4rem;
  line-height: 1.3;
}

.auth-page .auth-input {
  display: block;
  width: 100%;
  box-sizing: border-box;
  border-radius: var(--tss-radius-md, 10px);
  border: 1px solid var(--tss-border, #e2e8f0);
  padding: 0.75rem 0.9rem;
  font-size: 0.9375rem;
  background: var(--tss-surface, #fff);
  color: var(--tss-text, #0f172a);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.auth-page .auth-input:focus {
  border-color: var(--tss-accent, #2563eb);
  box-shadow: 0 0 0 3px var(--tss-accent-soft, rgba(37, 99, 235, 0.12));
  outline: none;
}

/* 로그인 버튼: full-width + radius-md + accent, 아이콘·텍스트 중앙 */
.auth-page .auth-btn-submit {
  width: 100%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.8rem 1.25rem;
  font-size: 0.975rem;
  font-weight: 600;
  margin-top: 0.35rem;
  border-radius: var(--tss-radius-md, 10px);
  background: var(--tss-accent, #2563eb);
  color: var(--tss-accent-contrast, #fff);
  border: none;
  box-shadow: var(--tss-shadow-sm, 0 1px 2px rgba(15, 23, 42, 0.08));
}

.auth-page .auth-btn-submit:hover {
  background: var(--tss-accent-strong, #1d4ed8);
  color: var(--tss-accent-contrast, #fff);
}

.auth-page .auth-alert {
  border-radius: var(--tss-radius-md, 8px);
  border: none;
  margin-top: 1.25rem;
  padding: 0.75rem 1rem;
}

.auth-page .auth-alert--danger {
  background: var(--tss-alert-danger-bg);
  color: var(--tss-alert-danger-text);
}

.auth-page .auth-alert--info {
  background: var(--tss-alert-info-bg, var(--tss-alert-primary-bg));
  color: var(--tss-alert-info-text, var(--tss-alert-primary-text));
}

.auth-page .auth-footer-text {
  text-align: center;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--tss-border, #e5e7eb);
  color: var(--tss-muted, #6b7280);
  font-size: 0.8125rem;
}

html[data-tss-theme="dark"] .auth-page {
  background: var(--tss-bg);
  color: var(--tss-text);
}

html[data-tss-theme="dark"] .auth-page .auth-card {
  background: var(--tss-surface);
  border-color: var(--tss-border);
  box-shadow: var(--tss-shadow-md);
}

html[data-tss-theme="dark"] .auth-page .auth-input {
  background: var(--tss-surface);
  border-color: var(--tss-border);
  color: var(--tss-text);
}

html[data-tss-theme="dark"] .auth-page .auth-label,
html[data-tss-theme="dark"] .auth-page .auth-subtitle {
  color: var(--tss-muted);
}

html[data-tss-theme="dark"] .auth-page .auth-btn-submit {
  background: var(--tss-accent);
  color: var(--tss-accent-contrast);
}

html[data-tss-theme="dark"] .auth-page .auth-btn-submit:hover {
  background: var(--tss-accent-strong);
  color: var(--tss-accent-contrast);
}

/* ===== 로그인 스플릿 스크린 (login.html 전용 — register는 기존 중앙 카드 유지) ===== */
.auth-page.auth-page--split {
  padding: 0;
  display: block;
  align-items: stretch;
  justify-content: flex-start;
}

.auth-split {
  display: flex;
  min-height: 100vh;
  width: 100%;
}

.auth-split__brand {
  flex: 1 1 46%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 3rem 3.25rem;
  background: linear-gradient(135deg, var(--tss-accent-strong), var(--tss-accent));
  color: var(--tss-accent-contrast, #fff);
  min-width: 0;
}

.auth-split__brand-badge {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  padding: 0.3rem 0.75rem;
  margin-bottom: 1.25rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  background: rgba(255, 255, 255, 0.14);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--tss-accent-contrast, #fff);
}

.auth-split__brand-title {
  margin: 0 0 0.85rem;
  font-size: clamp(1.65rem, 2.4vw, 2.15rem);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.02em;
  color: var(--tss-accent-contrast, #fff);
  max-width: 22rem;
}

.auth-split__brand-subtitle {
  margin: 0;
  font-size: 0.975rem;
  line-height: 1.55;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.88);
  max-width: 24rem;
}

.auth-split__form {
  flex: 1 1 54%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  background: var(--tss-bg);
  min-width: 0;
}

.auth-split__form .auth-card {
  margin: 0;
}

/* 모바일: 브랜드 패널 숨김 → 기존처럼 중앙 카드만 */
@media (max-width: 768px) {
  .auth-split__brand {
    display: none;
  }

  .auth-split__form {
    flex: 1 1 100%;
    min-height: 100vh;
    padding: 1rem;
  }

  .auth-page.auth-page--split {
    padding: 0;
  }
}