.auth-toast {
  position: fixed;
  top: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(-80px);
  padding: 10px 24px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 500;
  z-index: 10000;
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  pointer-events: none;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.auth-toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}
.auth-toast-success {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.3);
}
.auth-toast-error {
  background: rgba(239, 68, 68, 0.15);
  color: #f87171;
  border: 1px solid rgba(239, 68, 68, 0.3);
}
.auth-toast-info {
  background: rgba(59, 130, 246, 0.15);
  color: #60a5fa;
  border: 1px solid rgba(59, 130, 246, 0.3);
}


.auth-modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}
.auth-modal-overlay.show {
  opacity: 1;
  pointer-events: auto;
}


.auth-modal {
  position: relative;
  width: 400px;
  max-width: calc(100vw - 32px);
  background: #0e1422;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  padding: 32px 28px 24px;
  box-shadow:none !important;
  transform: scale(0.95) translateY(20px);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.auth-modal-overlay.show .auth-modal {
  transform: scale(1) translateY(0);
}


.auth-modal-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 28px;
  height: 28px;
  border: none;
  background: rgba(255, 255, 255, 0.06);
  color: rgba(255, 255, 255, 0.5);
  border-radius: 8px;
  font-size: 16px;
  line-height: 1;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
}
.auth-modal-close:hover {
  background: rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.8);
}


.auth-modal-header {
  text-align: center;
  margin-bottom: 24px;
}
.auth-modal-logo {
  width: 56px;
  height: 56px;
  margin: 0 auto 12px;
  color: #4f8df7;
  display: flex;
  align-items: center;
  justify-content: center;
}
.auth-logo-svg {
  width: 100%;
  height: 100%;
  filter:none !important;
}
.auth-modal-title {
  font-size: 20px;
  font-weight: 700;
  color: #f1f5f9;
  margin: 0 0 6px;
}
.auth-modal-subtitle {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.45);
  margin: 0;
}


.auth-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.auth-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.auth-label {
  font-size: 12px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.6);
}
.auth-input-wrap {
  position: relative;
}
.auth-input {
  width: 100%;
  padding: 10px 14px;
  padding-right: 40px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  color: #f1f5f9;
  font-size: 13px;
  outline: none;
  transition: all 0.2s;
  box-sizing: border-box;
}
.auth-input:focus {
  border-color: rgba(99, 102, 241, 0.5);
  background: rgba(99, 102, 241, 0.05);
  box-shadow:none !important;
}
.auth-input::placeholder {
  color: rgba(255, 255, 255, 0.25);
}
.auth-input:not([type="password"]) {
  padding-right: 14px;
}
.auth-toggle-pwd {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  width: 28px;
  height: 28px;
  border: none;
  background: transparent;
  color: rgba(255, 255, 255, 0.3);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  transition: color 0.2s;
}
.auth-toggle-pwd:hover {
  color: rgba(255, 255, 255, 0.6);
}
.auth-toggle-pwd svg {
  width: 18px;
  height: 18px;
}


.auth-error {
  font-size: 12px;
  color: #f87171;
  min-height: 18px;
  text-align: center;
  opacity: 0;
  transition: opacity 0.2s;
}
.auth-error.show {
  opacity: 1;
}


.auth-submit {
  width: 100%;
  padding: 12px;
  margin-top: 4px;
  background: #4f8df7;
  border: none;
  border-radius: 10px;
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  box-shadow:none !important;
}
.auth-submit:hover:not(:disabled) {

  box-shadow:none !important;
}
.auth-submit:active:not(:disabled) {
  transform: translateY(0);
}
.auth-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}


.auth-switch {
  text-align: center;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.4);
}
.auth-switch a {
  color: #5a8cff;
  text-decoration: none;
  font-weight: 500;
  margin-left: 4px;
  transition: color 0.2s;
}
.auth-switch a:hover {
  color: #7aa6ff;
}


.sidebar-user {
  position: relative;
  cursor: pointer;
}
.sidebar-user.menu-open .sidebar-user-menu {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}
.sidebar-user-menu {
  position: absolute;
  bottom: calc(100% + 8px);
  left: 0;
  right: 0;
  background: rgba(24, 28, 40, 0.98);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  padding: 8px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow:none !important;
  z-index: 100;
}


.user-menu-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 8px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  margin-bottom: 6px;
}
.user-menu-avatar {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: #4f8df7;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}
.user-menu-avatar.guest {
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.4);
}
.user-menu-info {
  flex: 1;
  min-width: 0;
}
.user-menu-name {
  font-size: 13px;
  font-weight: 600;
  color: #f1f5f9;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.user-menu-email {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.4);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.user-menu-desc {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.35);
  margin-top: 2px;
}
.user-menu-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size:12px;
  font-weight: 700;
  letter-spacing: 0.5px;
  margin-top: 3px;
}
.user-menu-badge.vip {
  background: #4f8df7;
  color: #1a1a2e;
}
.user-menu-badge.free {
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.5);
}


.user-menu-items {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.user-menu-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 10px;
  border: none;
  background: transparent;
  color: rgba(255, 255, 255, 0.7);
  font-size: 12px;
  font-weight: 500;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.15s;
  text-align: left;
  width: 100%;
}
.user-menu-item:hover {
  background: rgba(255, 255, 255, 0.06);
  color: #f1f5f9;
}
.user-menu-item.primary {
  background: rgba(99, 102, 241, 0.12);
  color: #818cf8;
}
.user-menu-item.primary:hover {
  background: rgba(99, 102, 241, 0.2);
  color: #a5b4fc;
}
.user-menu-item.danger {
  color: rgba(248, 113, 113, 0.7);
}
.user-menu-item.danger:hover {
  background: rgba(239, 68, 68, 0.1);
  color: #f87171;
}
.user-menu-item .icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  opacity: 0.7;
}
.user-menu-divider {
  height: 1px;
  background: rgba(255, 255, 255, 0.06);
  margin: 4px 0;
}


.sidebar-user-role.role-vip {
  color: #fbbf24;
}
.sidebar-user-role.role-free {
  color: rgba(255, 255, 255, 0.4);
}
.sidebar-user-role.role-guest {
  color: #818cf8;
}


.auth-gated {
  position: relative;
}
.auth-gated::after {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0, 0, 0, 0.4);
  border-radius: inherit;
  pointer-events: none;
  z-index: 1;
}
.auth-gated:hover::after {
  background: rgba(0, 0, 0, 0.5);
}


#user-menu { display: none !important; }


@media (max-width: 480px) {
  .auth-modal {
    width: calc(100vw - 24px);
    padding: 24px 20px 20px;
    border-radius: 14px;
  }
  .auth-modal-title {
    font-size: 18px;
  }
}


/* v683: 禁欲极简登录/注册重做 —— 暗黑冷蓝专业风（对齐全站设计语言） */
/* 去除 mask-composite 渐变描边、去除标题渐变文字、输入框改下划线式 */
.auth-modal{
  background: #0e1422 !important;
  border: 1px solid rgba(120,170,255,.18) !important;
  border-radius: 16px !important;
  box-shadow:none !important;
  position: relative !important;
}
.auth-modal::before{
  content: none !important;
}
.auth-modal-title{
  color: #eef4ff !important;
  font-weight: 700 !important;
  letter-spacing: .5px;
  background: none !important;
  -webkit-background-clip: initial !important;
  background-clip: initial !important;
  -webkit-text-fill-color: initial !important;
}
/* 下划线式输入框（对齐 chitu-mis .lv4-input-wrap） */
.auth-input{
  background: transparent !important;
  border: none !important;
  border-bottom: 1px solid rgba(255,255,255,.14) !important;
  border-radius: 0 !important;
  color: #f1f5f9 !important;
  padding: 10px 4px !important;
  transition: border-color .25s ease !important;
}
.auth-input-wrap .auth-input{
  padding-right: 38px !important;
}
.auth-input:focus{
  background: transparent !important;
  border-color: rgba(79,141,247,.7) !important;
  box-shadow:none !important;
}
.auth-submit, .auth-modal button[type="submit"], .auth-modal .btn-primary, .auth-modal .auth-btn{
  background: #4f8df7 !important;
  border: none !important;
  border-radius: 10px !important;
  box-shadow:none !important;
  font-weight: 600 !important;
  letter-spacing: 1px !important;
}
.auth-submit:hover, .auth-modal button[type="submit"]:hover, .auth-modal .btn-primary:hover{
  background: #3f7ce8 !important;
  box-shadow:none !important;
}
.auth-modal .auth-logo-svg{
  filter:none !important;
}


.auth-divider{display:flex;align-items:center;gap:12px;margin:16px 0 12px;color:#b0c4dd;font-size:12px}
.auth-divider::before,.auth-divider::after{content:"";flex:1;height:1px;background:rgba(168,182,201,.12)}
.auth-oauth{display:flex;gap:12px}
.auth-oauth-btn{flex:1;display:flex;align-items:center;justify-content:center;gap:8px;padding:10px 12px;border:1px solid rgba(168,182,201,.12);border-radius:12px;background:rgba(255,255,255,.03);color:#c0cbde;font-size:12px;font-weight:500;cursor:pointer;transition:all .25s ease}
.auth-oauth-btn:hover{background:rgba(255,255,255,.06);border-color:rgba(168,182,201,.24);transform:translateY(-1px)}
.auth-oauth-btn .icon{width:20px;height:20px;flex-shrink:0}
.auth-oauth-wechat:hover{color:#07c160;border-color:rgba(7,193,96,.3)}
.auth-oauth-qq:hover{color:#12b7f5;border-color:rgba(18,183,245,.3)}

.sidebar-user{position:relative;display:flex;align-items:center;gap:10px;padding:10px 14px;border-top:1px solid rgba(168,182,201,.08);cursor:pointer;transition:background .2s ease}
.sidebar-user:hover{background:rgba(255,255,255,.03)}
.sidebar-user-avatar{width:32px;height:32px;border-radius:50%;background:rgba(90,140,255,.12);display:flex;align-items:center;justify-content:center;color:#5a8cff;flex-shrink:0}
.sidebar-user-avatar .icon{width:18px;height:18px}
.sidebar-user-info{display:flex;flex-direction:column;gap:1px;overflow:hidden;flex:1}
.sidebar-user-name{font-size:12px;font-weight:600;color:#f2f5fa;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sidebar-user-desc{font-size:12px;color:#b0c4dd;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sidebar-user-menu{position:absolute;bottom:calc(100% + 4px);left:14px;right:14px;background:#10151f;border:1px solid rgba(168,182,201,.16);border-radius:10px;box-shadow:none !important;overflow:hidden;display:none;z-index:100}
.sidebar-user.menu-open .sidebar-user-menu{display:block}
.sidebar-user-menu-item{padding:10px 14px;font-size:12px;color:#c0cbde;cursor:pointer;transition:background .15s ease}
.sidebar-user-menu-item:hover{background:rgba(90,140,255,.1);color:#5a8cff}
.sidebar-user-menu-item:first-child{border-radius:10px 10px 0 0}
.sidebar-user-menu-item:last-child{border-radius:0 0 10px 10px}