/* 登录/注册弹窗 v2 - 对齐用户中心风格，无遮罩，仅 #authModal */
#authModal.auth-modal-overlay,
#authModal.auth-v2 {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  min-height: 100vh;
  min-height: 100dvh;
  background: transparent !important;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  padding-bottom: max(20px, env(safe-area-inset-bottom, 0px));
  box-sizing: border-box;
  z-index: 10000;
  overflow-x: hidden;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
  pointer-events: none;
}

#authModal.auth-modal-overlay[style*="flex"],
#authModal.auth-v2.is-open {
  display: flex !important;
}

#authModal .auth-modal {
  pointer-events: auto;
  position: relative;
  width: 100%;
  max-width: 420px;
  background: linear-gradient(160deg, #131836 0%, #0d1228 50%, #0a0f1f 100%) !important;
  border-radius: 16px !important;
  padding: 22px 24px 24px !important;
  border: 1px solid rgba(139, 92, 246, 0.3) !important;
  box-shadow:
    0 0 0 1px rgba(139, 92, 246, 0.35),
    0 0 50px rgba(139, 92, 246, 0.28),
    0 0 100px rgba(99, 102, 241, 0.16),
    0 25px 50px rgba(0, 0, 0, 0.5) !important;
  color: #e2e8f0;
  animation: authModalEnter 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes authModalEnter {
  from { opacity: 0; transform: scale(0.94) translateY(10px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

#authModal .auth-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

#authModal .auth-header-title {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

#authModal .auth-theme-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(167, 139, 250, 0.28), rgba(99, 102, 241, 0.22));
  border: 1px solid rgba(167, 139, 250, 0.35);
  flex-shrink: 0;
}

#authModal .auth-theme-icon svg {
  width: 22px;
  height: 22px;
  fill: #c4b5fd;
}

#authModal .auth-title-wrap h2 {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  color: #f1f5f9;
}

#authModal .auth-title-wrap .auth-sub {
  margin-top: 2px;
  font-size: 12px;
  color: #94a3b8;
}

#authModal .auth-close {
  position: relative !important;
  top: auto !important;
  right: auto !important;
  left: auto !important;
  margin-left: auto;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.1) !important;
  background: rgba(255, 255, 255, 0.04) !important;
  color: #cbd5e1 !important;
  cursor: pointer;
  font-size: 18px;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all .2s;
  flex-shrink: 0;
  z-index: 3;
}

/* 无 header 时的兜底：关闭按钮固定右上角 */
#authModal .auth-modal > .auth-close:first-child {
  position: absolute !important;
  top: 12px !important;
  right: 12px !important;
  left: auto !important;
  margin-left: 0;
}

#authModal .auth-close:hover {
  background: rgba(248, 113, 113, 0.15) !important;
  border-color: rgba(248, 113, 113, 0.35) !important;
  color: #fda4af !important;
}

#authModal .auth-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 18px !important;
  padding: 4px;
  border-radius: 12px;
  background: rgba(15, 23, 42, 0.55);
  border: 1px solid rgba(139, 92, 246, 0.16);
}

#authModal .auth-tab {
  flex: 1;
  padding: 10px 8px !important;
  background: transparent !important;
  border: 1px solid transparent !important;
  border-radius: 10px !important;
  color: #94a3b8 !important;
  cursor: pointer;
  font-size: 14px !important;
  font-weight: 600;
  transition: all 0.2s;
}

#authModal .auth-tab:hover {
  color: #e2e8f0 !important;
  background: rgba(255, 255, 255, 0.04) !important;
}

#authModal .auth-tab.active {
  background: linear-gradient(135deg, rgba(167, 139, 250, 0.95), rgba(129, 140, 248, 0.95)) !important;
  border-color: transparent !important;
  color: #0f172a !important;
  box-shadow: 0 6px 16px rgba(129, 140, 248, 0.25);
}

#authModal .auth-form {
  display: flex;
  flex-direction: column;
}

#authModal .auth-input-group {
  margin-bottom: 14px !important;
}

#authModal .auth-input-group label {
  display: block;
  font-size: 12px !important;
  color: #94a3b8 !important;
  margin-bottom: 6px !important;
}

#authModal .auth-input-group input {
  width: 100%;
  padding: 10px 12px !important;
  background: rgba(15, 23, 42, 0.7) !important;
  border: 1px solid rgba(139, 92, 246, 0.25) !important;
  border-radius: 10px !important;
  color: #e2e8f0 !important;
  font-size: 14px !important;
  outline: none;
  box-sizing: border-box;
  transition: border-color 0.2s, box-shadow 0.2s;
}

#authModal .auth-input-group input::placeholder {
  color: #64748b;
}

#authModal .auth-input-group input:focus {
  border-color: rgba(167, 139, 250, 0.7) !important;
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.15);
}

#authModal .auth-input-group input[readonly] {
  opacity: 0.75;
}

#authModal #authRegEmailHint {
  font-size: 12px !important;
  color: #94a3b8 !important;
  margin-top: 6px !important;
  line-height: 1.4 !important;
}

#authModal .auth-inline-row {
  display: flex;
  gap: 8px;
  align-items: center;
}

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

#authModal #authCaptchaImg {
  cursor: pointer;
  border-radius: 8px !important;
  overflow: hidden;
  flex-shrink: 0;
  height: 42px !important;
  border: 1px solid rgba(139, 92, 246, 0.2);
  background: rgba(255, 255, 255, 0.92);
}

#authModal #authCaptchaImg svg {
  display: block;
  height: 42px;
  width: auto;
}

#authModal #authSendEmailCodeBtn {
  padding: 10px 12px !important;
  background: linear-gradient(135deg, #34d399, #10b981) !important;
  color: #052e1c !important;
  border: none !important;
  border-radius: 10px !important;
  cursor: pointer;
  font-size: 12px !important;
  font-weight: 700;
  white-space: nowrap;
  transition: filter .2s, transform .2s;
}

#authModal #authSendEmailCodeBtn:hover {
  filter: brightness(1.08);
  transform: translateY(-1px);
}

#authModal #authSendEmailCodeBtn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
  filter: none;
}

#authModal .auth-submit {
  width: 100%;
  padding: 12px !important;
  background: linear-gradient(135deg, #a78bfa, #818cf8) !important;
  border: none !important;
  border-radius: 10px !important;
  color: #0f172a !important;
  font-size: 14px !important;
  cursor: pointer;
  font-weight: 700 !important;
  transition: filter 0.2s, transform 0.2s;
  margin-top: 2px;
}

#authModal .auth-submit:hover {
  filter: brightness(1.08);
  transform: translateY(-1px);
  background: linear-gradient(135deg, #a78bfa, #818cf8) !important;
}

#authModal .auth-submit:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
  filter: none;
}

#authModal .auth-status {
  margin-top: 12px !important;
  font-size: 12px !important;
  text-align: center;
  color: #94a3b8 !important;
  min-height: 18px;
  line-height: 1.5;
}

@media (max-width: 640px) {
  #authModal.auth-modal-overlay,
  #authModal.auth-v2 {
    padding: 12px;
  }
  #authModal .auth-modal {
    padding: 18px 14px 16px !important;
    border-radius: 14px !important;
  }
}