/* 布局：顶栏、侧栏、内容区、页脚 */

.app-layout {
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.app-header {
  height: var(--header-height);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  background: var(--color-bg-container);
  border-bottom: 1px solid var(--color-border);
  z-index: 10;
}

.app-logo {
  margin: 0;
  font-size: 18px;
  font-weight: 600;
  color: var(--color-primary);
  letter-spacing: 0.02em;
}

.app-body {
  flex: 1;
  display: flex;
  min-height: 0;
  overflow: hidden;
}

.app-layout.is-collapsed .app-body {
  overflow: visible;
}

.app-sider {
  width: var(--sider-width);
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--color-bg-container);
  border-right: 1px solid var(--color-border);
  z-index: 11;
  transition: width var(--duration-layout) var(--ease-out-smooth);
}

.app-layout.is-collapsed .app-sider {
  width: var(--sider-collapsed);
  overflow: visible;
}

.app-nav {
  flex: 1;
  padding: 8px 8px 0;
  overflow: auto;
}

.app-layout.is-collapsed .app-nav {
  overflow: visible;
}

.app-sider-foot {
  display: flex;
  justify-content: center;
  padding: 12px 16px;
  border-top: 1px solid var(--color-border);
}

.app-layout.is-collapsed .app-sider-foot {
  justify-content: center;
  padding: 12px 0;
}

.sider-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  padding: 0;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--color-text-secondary);
  cursor: pointer;
}

.sider-toggle svg {
  transition: transform var(--duration-layout) var(--ease-out-smooth);
}

.sider-toggle:hover {
  background: var(--color-bg-layout);
  color: var(--color-text);
}

.app-layout.is-collapsed .sider-toggle svg {
  transform: rotate(180deg);
}

.app-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  background: var(--color-bg-layout);
}

.app-content {
  flex: 1;
  min-height: 0;
  padding: 16px 24px 8px;
  overflow: auto;
  overscroll-behavior: contain;
}

.app-layout.is-dialog-open,
.app-layout.is-dialog-open .app-content,
.app-layout.is-dialog-open .app-nav {
  overflow: hidden;
}

.app-footer {
  flex-shrink: 0;
  padding: 12px 16px 16px;
  text-align: center;
  font-size: 12px;
  color: var(--color-text-tertiary);
}

/* 侧栏菜单 */

.menu {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.menu a,
.menu-parent {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 0 16px;
  height: 40px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--color-text);
  cursor: pointer;
  text-align: left;
  overflow: hidden;
  transition: padding var(--duration-layout) var(--ease-out-smooth),
    gap var(--duration-layout) var(--ease-out-smooth),
    background 0.15s ease, color 0.15s ease;
}

.menu-parent {
  position: relative;
}

.menu a:hover,
.menu-parent:hover {
  background: var(--color-bg-layout);
  color: var(--color-text);
}

.menu a.is-active {
  background: var(--color-primary-bg);
  color: var(--color-primary);
  font-weight: 500;
}

.menu-icon {
  flex-shrink: 0;
  width: 16px;
  height: 16px;
}

.menu-label {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  white-space: nowrap;
  opacity: 1;
  max-width: 160px;
  transition: opacity 0.16s ease, max-width var(--duration-layout) var(--ease-out-smooth);
}

.menu-arrow {
  flex-shrink: 0;
  width: 12px;
  height: 12px;
  color: var(--color-text-secondary);
  transition: transform var(--duration-layout) var(--ease-out-smooth),
    opacity 0.16s ease, width var(--duration-layout) var(--ease-out-smooth);
}

.menu-item.has-children {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0;
  transition: gap var(--duration-layout) var(--ease-out-smooth);
}

.menu-item.has-children.is-open {
  gap: 8px;
}

.menu-item.has-children.is-open > .menu-parent .menu-arrow {
  transform: rotate(180deg);
}

.menu-sub {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  pointer-events: none;
  transition: max-height var(--duration-layout) var(--ease-out-smooth),
    opacity 0.2s ease, padding var(--duration-layout) var(--ease-out-smooth);
}

.menu-item.has-children.is-open > .menu-sub {
  max-height: 104px;
  opacity: 1;
  padding: 0 0 0 12px;
  pointer-events: auto;
}

.menu-sub a {
  padding-left: 36px;
}

.app-layout.is-collapsed .menu-label,
.app-layout.is-collapsed .menu-arrow {
  opacity: 0;
  max-width: 0;
  width: 0;
  flex: 0 0 0;
  overflow: hidden;
  pointer-events: none;
}

.app-layout.is-collapsed .menu a,
.app-layout.is-collapsed .menu-parent {
  justify-content: center;
  padding: 0;
  gap: 0;
}

.app-layout.is-collapsed .menu-parent {
  overflow: visible;
}

.app-layout.is-collapsed .menu-item.has-children,
.app-layout.is-collapsed .menu-item.has-children.is-open {
  gap: 0;
}

.app-layout.is-collapsed .menu-item.has-children.is-child-active > .menu-parent {
  background: var(--color-primary-bg);
  color: var(--color-primary);
}

.app-layout.is-collapsed .menu-item.has-children > .menu-parent::after {
  content: "";
  position: absolute;
  left: 100%;
  top: 0;
  width: 16px;
  height: 100%;
}

.app-layout.is-collapsed .menu-item.has-children > .menu-sub,
.app-layout.is-collapsed .menu-item.has-children.is-open > .menu-sub {
  position: absolute;
  left: calc(100% + 12px);
  top: 0;
  z-index: 20;
  min-width: 140px;
  max-height: none;
  margin: 0;
  padding: 4px;
  overflow: visible;
  background: var(--color-bg-container);
  border-radius: 8px;
  box-shadow: 0 6px 16px 0 rgba(0, 0, 0, 0.08),
    0 3px 6px -4px rgba(0, 0, 0, 0.12), 0 9px 28px 8px rgba(0, 0, 0, 0.05);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateX(-8px);
  transition: opacity 0.18s ease, transform 0.18s var(--ease-out-smooth),
    visibility 0.18s;
  transition-delay: 0.12s;
}

.app-layout.is-collapsed .menu-item.has-children > .menu-sub::before {
  content: "";
  position: absolute;
  top: 0;
  right: 100%;
  width: 12px;
  height: 100%;
}

.app-layout.is-collapsed .menu-item.has-children:hover > .menu-sub,
.app-layout.is-collapsed .menu-item.has-children:focus-within > .menu-sub {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(0);
  transition-delay: 0s;
}

.app-layout.is-collapsed .menu-sub .menu-label {
  opacity: 1;
  max-width: none;
  width: auto;
  flex: 1;
  overflow: hidden;
  pointer-events: auto;
}

.app-layout.is-collapsed .menu-sub a {
  justify-content: flex-start;
  height: 32px;
  padding: 0 12px;
}

/* 顶栏用户 */

.user-menu {
  position: relative;
}

.user-trigger {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 8px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--color-text);
  cursor: pointer;
  transition: background 0.15s ease;
}

.user-trigger:hover {
  background: var(--color-bg-layout);
}

.user-avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: #d9d9d9;
  color: #fff;
}

.user-chevron {
  width: 12px;
  height: 12px;
  color: var(--color-text-secondary);
  transition: transform 0.18s var(--ease-out-smooth);
}

.user-menu.is-open .user-chevron {
  transform: rotate(180deg);
}

.user-dropdown {
  position: absolute;
  right: 0;
  top: calc(100% + 4px);
  min-width: 120px;
  padding: 4px;
  background: var(--color-bg-container);
  border-radius: 8px;
  box-shadow: 0 6px 16px 0 rgba(0, 0, 0, 0.08),
    0 3px 6px -4px rgba(0, 0, 0, 0.12), 0 9px 28px 8px rgba(0, 0, 0, 0.05);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(-6px) scale(0.96);
  transform-origin: top right;
  transition: opacity 0.18s ease, transform 0.18s var(--ease-out-smooth),
    visibility 0.18s;
}

.user-menu.is-open .user-dropdown {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0) scale(1);
}

.user-dropdown button {
  display: block;
  width: 100%;
  padding: 8px 12px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--color-text);
  text-align: left;
  cursor: pointer;
  transition: background 0.15s ease;
}

.user-dropdown button:hover {
  background: var(--color-bg-layout);
}

/* 登录页 */

.login-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--color-bg-layout);
}

.login-main {
  flex: 1;
  display: flex;
  min-height: 0;
}

.login-shell {
  flex: 1;
  display: flex;
  width: 100%;
  background: var(--color-bg-container);
  animation: login-enter 0.5s var(--ease-out-smooth) both;
}

@keyframes login-enter {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 左侧品牌区 */

.login-brand {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 64px 72px;
  color: #fff;
  background: linear-gradient(150deg, #1677ff 0%, #0958d9 60%, #003eb3 100%);
  position: relative;
  overflow: hidden;
}

.login-brand::before,
.login-brand::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
}

.login-brand::before {
  width: 420px;
  height: 420px;
  right: -140px;
  top: -120px;
}

.login-brand::after {
  width: 280px;
  height: 280px;
  left: -90px;
  bottom: -80px;
}

.login-brand-logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  margin-bottom: 24px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(2px);
}

.login-brand-title {
  font-size: 32px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.login-brand-desc {
  margin-top: 12px;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.82);
}

.login-brand-points {
  list-style: none;
  margin: 48px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 18px;
  position: relative;
  z-index: 1;
}

.login-brand-points li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.9);
}

.login-brand-points svg {
  flex-shrink: 0;
  color: rgba(255, 255, 255, 0.85);
}

/* 右侧登录表单 */

.login-panel {
  flex: 1.15;
  display: flex;
  flex-direction: column;
  padding: 64px 72px 40px;
}

.login-panel-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.login-panel-body > *,
.login-panel .app-footer {
  max-width: 360px;
  width: 100%;
  margin-left: auto;
  margin-right: auto;
}

.login-panel .app-footer {
  padding: 32px 0 0;
  text-align: center;
}

.login-panel-title {
  font-size: 22px;
  font-weight: 600;
  color: var(--color-text);
}

.login-panel-sub {
  margin-top: 6px;
  margin-bottom: 28px;
  font-size: 13px;
  color: var(--color-text-secondary);
}

.login-field {
  margin-bottom: 18px;
}

.login-field label {
  display: block;
  margin-bottom: 8px;
  font-size: 13px;
  color: var(--color-text);
}

.login-input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.login-input-icon {
  position: absolute;
  left: 12px;
  color: var(--color-text-tertiary);
  pointer-events: none;
  transition: color 0.2s ease;
}

.login-input-wrap input {
  width: 100%;
  height: 40px;
  padding: 4px 40px 4px 36px;
  border: 1px solid var(--color-border-strong);
  border-radius: 8px;
  background: var(--color-bg-container);
  color: var(--color-text);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.login-input-wrap input::placeholder {
  color: var(--color-text-tertiary);
}

.login-input-wrap input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(22, 119, 255, 0.12);
}

.login-input-wrap:focus-within .login-input-icon {
  color: var(--color-primary);
}

.login-eye {
  position: absolute;
  right: 6px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  padding: 0;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--color-text-tertiary);
  cursor: pointer;
  transition: color 0.2s ease, background 0.2s ease;
}

.login-eye:hover {
  color: var(--color-text-secondary);
  background: var(--color-bg-layout);
}

.login-eye .login-eye-off {
  display: none;
}

.login-eye.is-on .login-eye-on {
  display: none;
}

.login-eye.is-on .login-eye-off {
  display: block;
}

.login-submit {
  position: relative;
  width: 100%;
  height: 40px;
  margin-top: 8px;
  font-size: 15px;
  letter-spacing: 0.3em;
  text-indent: 0.3em;
  transition: background 0.2s ease, transform 0.1s ease, box-shadow 0.2s ease;
}

.login-submit:not(:disabled):hover {
  box-shadow: 0 4px 12px rgba(22, 119, 255, 0.35);
}

.login-submit:not(:disabled):active {
  transform: scale(0.985);
}

.login-submit-spinner {
  display: none;
  width: 16px;
  height: 16px;
  margin-left: 10px;
  border: 2px solid rgba(255, 255, 255, 0.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: login-spin 0.7s linear infinite;
  vertical-align: -3px;
}

.login-submit.is-loading .login-submit-spinner {
  display: inline-block;
}

@keyframes login-spin {
  to {
    transform: rotate(360deg);
  }
}

#login-form.is-shake {
  animation: login-shake 0.4s ease;
}

@keyframes login-shake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-8px); }
  40% { transform: translateX(8px); }
  60% { transform: translateX(-5px); }
  80% { transform: translateX(5px); }
}

@media (max-width: 860px) {
  .login-shell {
    flex-direction: column;
  }

  .login-brand {
    flex: none;
    padding: 32px 28px 28px;
  }

  .login-brand-logo {
    width: 56px;
    height: 56px;
    margin-bottom: 16px;
    border-radius: 14px;
  }

  .login-brand-title {
    font-size: 22px;
  }

  .login-brand-points {
    display: none;
  }

  .login-brand-desc {
    margin-bottom: 0;
  }

  .login-panel {
    flex: 1;
    padding: 32px 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .login-shell,
  #login-form.is-shake {
    animation: none;
  }

  .login-input-wrap input,
  .login-input-icon,
  .login-eye,
  .login-submit {
    transition: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .app-sider,
  .sider-toggle svg,
  .menu a,
  .menu-parent,
  .menu-label,
  .menu-arrow,
  .menu-item.has-children,
  .menu-sub,
  .user-trigger,
  .user-chevron,
  .user-dropdown,
  .user-dropdown button {
    transition: none;
  }
}