/* ========== 登录注册弹窗样式 ========== */
.auth-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  z-index: 10000;
  display: none;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(8px);
}

.auth-modal-overlay.active {
  display: flex;
}

.auth-modal {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 24px;
  padding: 40px;
  width: 90%;
  max-width: 440px;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  box-shadow: var(--shadow-card);
}

.auth-modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  border: none;
  background: var(--bg-card);
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.25s ease;
}

.auth-modal-close:hover {
  background: var(--bilibili-red);
  color: white;
}

.auth-modal-close svg {
  width: 20px;
  height: 20px;
}

.auth-modal-header {
  text-align: center;
  margin-bottom: 32px;
}

.auth-modal-logo {
  width: 70px;
  height: 70px;
  background: linear-gradient(135deg, var(--bilibili-pink), var(--bilibili-blue));
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  font-size: 32px;
  box-shadow: var(--shadow-glow-pink);
}

.auth-modal-title {
  font-size: 24px;
  font-weight: 700;
  background: linear-gradient(90deg, var(--bilibili-pink), var(--bilibili-blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 6px;
}

.auth-modal-subtitle {
  font-size: 13px;
  color: var(--text-tertiary);
}

.auth-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 24px;
  background: var(--bg-input);
  padding: 6px;
  border-radius: 14px;
}

.auth-tab {
  flex: 1;
  padding: 10px 16px;
  background: transparent;
  border: none;
  border-radius: 10px;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.25s ease;
}

.auth-tab.active {
  background: linear-gradient(135deg, var(--bilibili-pink), var(--bilibili-pink-dark));
  color: white;
}

.auth-form {
  display: none;
}

.auth-form.active {
  display: block;
}

.auth-form-group {
  margin-bottom: 20px;
}

.auth-form-label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.auth-form-input {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-input);
  border: 2px solid var(--border-color);
  border-radius: 12px;
  color: var(--text-primary);
  font-size: 14px;
  font-family: 'Noto Sans SC', sans-serif;
  outline: none;
  transition: all 0.3s ease;
}

.auth-form-input:focus {
  border-color: var(--bilibili-pink);
  box-shadow: var(--shadow-glow-pink);
}

.auth-form-input::placeholder {
  color: var(--text-tertiary);
}

.auth-form-input.error {
  border-color: var(--bilibili-red);
}

.auth-form-error {
  font-size: 11px;
  color: var(--bilibili-red);
  margin-top: 6px;
  display: none;
}

.auth-form-error.show {
  display: block;
}

.auth-form-input-with-code {
  display: flex;
  gap: 10px;
}

.auth-form-input-with-code .auth-form-input {
  flex: 1;
}

.auth-code-btn {
  padding: 12px 16px;
  background: var(--bilibili-blue);
  border: none;
  border-radius: 12px;
  color: white;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  white-space: nowrap;
  min-width: 110px;
}

.auth-code-btn:hover:not(:disabled) {
  background: var(--bilibili-blue-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow-blue);
}

.auth-code-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  background: var(--text-tertiary);
}

.auth-submit-btn {
  width: 100%;
  padding: 14px 20px;
  background: linear-gradient(135deg, var(--bilibili-pink), var(--bilibili-pink-dark));
  border: none;
  border-radius: 14px;
  color: white;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 20px rgba(251, 114, 153, 0.3);
}

.auth-submit-btn:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow-pink);
}

.auth-submit-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.auth-form-footer {
  text-align: center;
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--border-color);
  font-size: 13px;
  color: var(--text-tertiary);
}

.auth-form-footer a {
  color: var(--bilibili-pink);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s ease;
}

.auth-form-footer a:hover {
  color: var(--bilibili-pink-light);
  text-decoration: underline;
}

/* 用户信息显示 */
.user-info-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  background: var(--bg-card);
  border-radius: 12px;
  border: 1px solid var(--border-color);
  cursor: pointer;
  transition: all 0.25s ease;
}

.user-info-bar:hover {
  background: var(--bg-card-hover);
  border-color: var(--bilibili-pink);
}

.user-info-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--bilibili-pink), var(--bilibili-blue));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 14px;
  color: white;
}

.user-info-name {
  flex: 1;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
}

.user-info-logout {
  padding: 6px 12px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-secondary);
  font-size: 12px;
  cursor: pointer;
  transition: all 0.25s ease;
}

.user-info-logout:hover {
  background: var(--bilibili-red);
  border-color: var(--bilibili-red);
  color: white;
}

/* 登录提示遮罩 */
.login-required-toast {
  position: fixed;
  top: 80px;
  left: 50%;
  transform: translateX(-50%) translateY(-100px);
  background: var(--bg-card);
  border: 1px solid var(--bilibili-pink);
  border-radius: 14px;
  padding: 16px 24px;
  color: var(--text-primary);
  font-size: 14px;
  z-index: 9999;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  opacity: 0;
  visibility: hidden;
}

.login-required-toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
  visibility: visible;
}

.login-required-toast svg {
  width: 20px;
  height: 20px;
  color: var(--bilibili-pink);
  flex-shrink: 0;
}

.login-required-toast button {
  padding: 6px 14px;
  background: linear-gradient(135deg, var(--bilibili-pink), var(--bilibili-pink-dark));
  border: none;
  border-radius: 8px;
  color: white;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.25s ease;
}

.login-required-toast button:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-glow-pink);
}