/* ===== New Login Page ===== */
.login-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  background: var(--paper);
  padding: 72px 32px 56px;
}

.login-header {
  text-align: center;
  margin-bottom: 64px;
}

.login-logo {
  width: 72px;
  height: auto;
  display: block;
  margin: 0 auto 16px;
  object-fit: contain;
}

.login-title {
  display: block;
  font-family: var(--font-cn);
  font-size: 2.5rem;
  font-weight: 700;
  color: #2D3748;
  letter-spacing: -0.01em;
  margin-bottom: 10px;
  text-decoration: none;
}

.login-subtitle {
  font-family: var(--font-cn);
  font-size: 0.9rem;
  color: var(--muted);
}

.login-form-area {
  width: 100%;
  max-width: 360px;
}

.login-field {
  position: relative;
  margin-bottom: 40px;
}

.login-input {
  width: 100%;
  border: none;
  border-bottom: 1px solid #D8D4CC;
  background: transparent;
  outline: none;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--ink);
  padding: 10px 36px 10px 0;
  transition: border-color var(--transition-fast);
}

.login-input::placeholder {
  color: #B0ABA2;
}

.login-input:focus {
  border-bottom-color: #2D3748;
}

.login-eye-btn {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: #B0ABA2;
  cursor: pointer;
  padding: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--transition-fast);
}

.login-eye-btn:hover { color: var(--ink); }

.login-error-msg {
  font-family: var(--font-cn);
  font-size: 0.82rem;
  color: var(--danger);
  margin: -24px 0 16px;
  min-height: 20px;
}

.login-submit-btn {
  width: 100%;
  padding: 16px;
  background: #2D3748;
  color: #fff;
  border: none;
  border-radius: var(--radius-full);
  font-family: var(--font-cn);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  margin-bottom: 28px;
  transition: background var(--transition-fast), opacity var(--transition-fast);
  letter-spacing: 0.04em;
}

.login-submit-btn:hover { background: #1A2535; }
.login-submit-btn:active { transform: scale(0.99); }
.login-submit-btn:disabled { opacity: 0.55; cursor: not-allowed; transform: none; }

.login-links {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.login-link-btn {
  background: none;
  border: none;
  font-family: var(--font-cn);
  font-size: 0.85rem;
  color: var(--muted);
  cursor: pointer;
  padding: 0;
  transition: color var(--transition-fast);
}

.login-link-btn:hover { color: var(--ink); }

.login-social-section {
  width: 100%;
  max-width: 360px;
  margin-top: 56px;
}

.login-social-divider {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 28px;
  font-family: var(--font-cn);
  font-size: 0.8rem;
  color: var(--muted);
  white-space: nowrap;
}

.login-social-divider::before,
.login-social-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: #E4E0D8;
}

.login-social-btns {
  display: flex;
  justify-content: center;
  gap: 20px;
}

.social-icon-btn {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: var(--card);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-family: var(--font-cn);
  font-size: 0.82rem;
  font-weight: 700;
  transition: background var(--transition-fast), border-color var(--transition-fast);
  box-shadow: var(--shadow-ink-sm);
}

.social-icon-btn:hover { background: var(--paper-alt); }
.social-icon-btn:disabled { opacity: 0.45; cursor: not-allowed; }
.social-icon-btn.wechat { color: #07C160; }
.social-icon-btn.apple  { color: #2D3748; }

.login-reg-header {
  margin-bottom: 32px;
}

.login-reg-title {
  font-family: var(--font-cn);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 4px;
}

.login-reg-subtitle {
  font-family: var(--font-cn);
  font-size: 0.85rem;
  color: var(--muted);
}

.login-guest-area {
  width: 100%;
  max-width: 360px;
  margin-top: 20px;
  text-align: center;
}

/* ===== Auth page (profile, etc.) ===== */
.auth-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl);
}

.auth-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-cn);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--ink);
  text-decoration: none;
  margin-bottom: var(--space-2xl);
  letter-spacing: 0.01em;
}


.auth-card {
  background: var(--card);
  border: var(--border-w) solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-ink-lg);
  padding: var(--space-2xl);
  width: 100%;
  max-width: 400px;
}

/* ── Tab switcher ── */
.auth-tabs {
  display: flex;
  background: var(--paper-alt);
  border: var(--border-w) solid var(--color-border);
  border-radius: var(--radius-full);
  padding: 3px;
  margin-bottom: var(--space-2xl);
  gap: 3px;
}

.auth-tab {
  flex: 1;
  padding: 8px 0;
  border: none;
  background: transparent;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--muted);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-family: var(--font-cn);
}

.auth-tab.is-active {
  background: var(--card);
  color: var(--ink);
  box-shadow: var(--shadow-ink-sm);
}

/* ── Form ── */
.auth-panel { display: none; }
.auth-panel.is-active { display: block; }

.auth-form-group { margin-bottom: var(--space-lg); }

.auth-label {
  display: block;
  font-family: var(--font-cn);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: var(--space-xs);
}

.auth-input {
  width: 100%;
  padding: 11px 14px;
  border: var(--border-w) solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-family: var(--font-en), var(--font-cn);
  color: var(--ink);
  background: var(--paper);
  box-sizing: border-box;
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.auth-input:focus {
  border-color: var(--navy);
  box-shadow: 0 0 0 3px rgba(45,55,72,0.08);
  background: var(--card);
}

.auth-error {
  display: none;
  margin-top: var(--space-md);
  padding: 10px 14px;
  background: var(--danger-pale);
  border: var(--border-w) solid rgba(232,85,85,0.3);
  border-radius: var(--radius-md);
  font-family: var(--font-cn);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--danger);
}

.auth-error.is-visible { display: block; }

.auth-submit {
  width: 100%;
  margin-top: var(--space-lg);
  padding: 12px;
  background: var(--navy);
  color: #fff;
  border: none;
  border-radius: var(--radius-full);
  font-size: 1rem;
  font-weight: 600;
  font-family: var(--font-cn);
  cursor: pointer;
  letter-spacing: 0.04em;
  transition: background var(--transition-fast), opacity var(--transition-fast);
}

.auth-submit:hover {
  background: var(--navy-hover);
}

.auth-submit:active {
  transform: scale(0.99);
}

.auth-submit:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

/* ── Input row ── */
.auth-input-row {
  display: flex;
  gap: var(--space-sm);
  align-items: stretch;
}

.auth-input-row .auth-input { flex: 1; min-width: 0; }

.auth-eye {
  background: var(--paper-alt);
  border: var(--border-w) solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0 10px;
  cursor: pointer;
  flex-shrink: 0;
  transition: background var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
}
.auth-eye:hover {
  background: var(--paper);
  color: var(--ink);
}

.auth-code-btn {
  flex-shrink: 0;
  padding: 0 14px;
  background: var(--navy-pale);
  border: 1px solid #CBD2E0;
  border-radius: var(--radius-md);
  font-size: 0.82rem;
  font-weight: 600;
  font-family: var(--font-cn);
  color: var(--navy);
  cursor: pointer;
  white-space: nowrap;
  transition: background var(--transition-fast);
}
.auth-code-btn:hover  { background: #CBD2E0; }
.auth-code-btn:disabled { opacity: 0.5; cursor: not-allowed; }

.auth-code-input { letter-spacing: 6px; font-size: 1.2rem; font-weight: 600; text-align: center; }

/* ── Register method picker ── */
.reg-method-hint {
  font-family: var(--font-cn);
  font-size: 0.85rem;
  color: var(--muted);
  font-weight: 500;
  margin-bottom: var(--space-md);
  text-align: center;
}

.reg-method-btn {
  width: 100%;
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  background: var(--card);
  border: var(--border-w) solid var(--color-border);
  border-radius: var(--radius-lg);
  cursor: pointer;
  text-align: left;
  margin-bottom: var(--space-sm);
  transition: border-color var(--transition-fast), background var(--transition-fast);
}
.reg-method-btn:hover  { border-color: var(--ink); background: var(--paper); }
.reg-method-btn:last-child { margin-bottom: 0; }

.reg-method-label { font-family: var(--font-cn); font-size: 0.95rem; font-weight: 600; color: var(--ink); flex: 1; }
.reg-method-arrow { color: var(--muted); font-size: 0.9rem; }

.reg-wechat { opacity: 0.4; cursor: not-allowed; }
.reg-wechat:hover { border-color: var(--color-border); background: var(--card); }

.reg-coming {
  font-size: 0.72rem;
  font-family: var(--font-cn);
  font-weight: 600;
  color: var(--muted);
  background: var(--paper-alt);
  border-radius: var(--radius-full);
  padding: 2px 8px;
}

/* ── Back button inside register forms ── */
.reg-back {
  display: inline-flex;
  align-items: center;
  background: none;
  border: none;
  color: var(--muted);
  font-family: var(--font-cn);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  padding: 0;
  margin-bottom: var(--space-lg);
  gap: 4px;
  transition: color var(--transition-fast);
}
.reg-back:hover { color: var(--ink); }

/* ── Password strength indicator ── */
.pwd-strength {
  display: flex;
  flex-direction: column;
  gap: 3px;
  margin-top: var(--space-sm);
}

.pwd-rule {
  font-family: var(--font-cn);
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--danger);
  transition: color var(--transition-fast);
}
.pwd-rule.ok { color: var(--primary); }

/* ── Guest mode ── */
.auth-divider {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-top: var(--space-xl);
  color: var(--muted);
  font-size: 0.8rem;
  font-family: var(--font-cn);
}

.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--color-border);
}

.auth-guest {
  width: 100%;
  margin-top: var(--space-md);
  padding: 10px;
  background: transparent;
  color: var(--muted);
  border: var(--border-w) solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 500;
  font-family: var(--font-cn);
  cursor: pointer;
  transition: color var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast);
}

.auth-guest:hover {
  color: var(--ink);
  border-color: var(--ink);
  background: var(--paper-alt);
}

/* ===== Profile page ===== */
.profile-page {
  min-height: 100vh;
}

.profile-body {
  max-width: 520px;
  margin: 0 auto;
  padding: var(--space-2xl) var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

/* ── User card ── */
.profile-user-card {
  background: var(--navy);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-ink);
  padding: var(--space-2xl);
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.profile-avatar {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: rgba(255,255,255,0.15);
  color: #ffffff;
  font-family: var(--font-cn);
  font-size: 1.6rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.profile-username {
  font-family: var(--font-cn);
  font-size: 1.3rem;
  font-weight: 700;
  color: #ffffff;
}

.profile-since {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.6);
  margin-top: 4px;
}

/* ── Info cards ── */
.profile-section-title {
  font-family: var(--font-cn);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--muted);
  letter-spacing: 0.06em;
  margin-bottom: var(--space-sm);
  padding-left: var(--space-xs);
  text-transform: uppercase;
}

.profile-card {
  background: var(--card);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-ink);
  padding: var(--space-xl);
}

.profile-card-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.profile-card-label {
  font-family: var(--font-cn);
  font-size: 0.82rem;
  color: var(--muted);
  margin-bottom: 4px;
}

.profile-card-value {
  font-family: var(--font-cn);
  font-size: 1rem;
  font-weight: 700;
  color: var(--ink);
}

.profile-no-set {
  font-size: 0.9rem;
  color: var(--muted);
}

.profile-progress-bar {
  width: 100%;
  height: 6px;
  background: var(--paper-alt);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-top: var(--space-md);
}

.profile-progress-fill {
  height: 100%;
  background: var(--primary);
  border-radius: var(--radius-full);
  transition: width 0.6s ease;
}

.profile-progress-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--muted);
  margin-top: var(--space-xs);
}

/* ── Danger button ── */
.btn-danger {
  background: var(--danger-pale);
  color: var(--danger);
  border-color: rgba(232,85,85,0.3);
}

.btn-danger:hover {
  background: var(--danger);
  color: #fff;
  border-color: var(--danger);
  opacity: 1;
}

/* ── Header user chip ── */
.header-right {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.user-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px;
  border: none;
  outline: none;
  -webkit-appearance: none;
  appearance: none;
  border-radius: var(--radius-full);
  background: transparent;
  color: var(--muted);
  font-size: 0.78rem;
  font-family: var(--font-cn);
  font-weight: 500;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.user-chip:hover { color: var(--ink); }

.user-avatar-sm {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--navy);
  color: #fff;
  font-family: var(--font-cn);
  font-size: 0.65rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* ── 用户名可用性提示 ── */
.username-check {
  font-family: var(--font-cn);
  font-size: 0.75rem;
  margin-top: 5px;
  min-height: 1em;
}
.username-check.checking { color: var(--muted); }
.username-check.ok       { color: var(--primary-hover); font-weight: 600; }
.username-check.taken    { color: var(--danger); font-weight: 600; }

.user-avatar-logo {
  width: 28px;
  height: 28px;
  max-width: 28px;
  max-height: 28px;
  border: none;
  object-fit: contain;
  flex-shrink: 0;
  display: block;
}