/**
 * 企业控制台 UI 增强层 — 大厂风格、克制动效
 * 基于 tencent-cloud.css，仅做质感与交互提升
 */

:root {
  --tc-ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --tc-ease-standard: cubic-bezier(0.4, 0, 0.2, 1);
  --tc-duration-fast: 0.18s;
  --tc-duration-normal: 0.28s;
  --tc-radius-sm: 2px;
  --tc-radius-md: 4px;
  --tc-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --tc-shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06);
  --tc-shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.08);
}

@media (prefers-reduced-motion: reduce) {
  :root {
    --tc-duration-fast: 0.01ms;
    --tc-duration-normal: 0.01ms;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ---------- 全局 ---------- */
body.tc-layout {
  font-size: 13px;
  background: #eef0f4;
}

a {
  transition: color var(--tc-duration-fast) var(--tc-ease-standard);
}

/* ---------- 顶栏 ---------- */
.tc-header {
  border-bottom: none;
  box-shadow: var(--tc-shadow-sm);
  backdrop-filter: saturate(180%) blur(8px);
  background: rgba(255, 255, 255, 0.96);
}

.tc-logo-mark {
  border-radius: var(--tc-radius-sm);
  transition: transform var(--tc-duration-normal) var(--tc-ease-out),
    box-shadow var(--tc-duration-normal) var(--tc-ease-out);
}

.tc-logo:hover .tc-logo-mark {
  transform: scale(1.04);
  box-shadow: 0 2px 8px rgba(0, 110, 255, 0.35);
}

.tc-user-trigger {
  border-radius: var(--tc-radius-md);
  transition: background var(--tc-duration-fast) var(--tc-ease-standard),
    border-color var(--tc-duration-fast) var(--tc-ease-standard),
    box-shadow var(--tc-duration-fast) var(--tc-ease-standard);
}

.tc-user-dropdown:hover .tc-user-trigger {
  box-shadow: var(--tc-shadow-sm);
}

.tc-user-menu {
  display: block;
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  pointer-events: none;
  border-radius: var(--tc-radius-md);
  border: 1px solid rgba(0, 0, 0, 0.06);
  box-shadow: var(--tc-shadow-lg);
  transition: opacity var(--tc-duration-normal) var(--tc-ease-out),
    visibility var(--tc-duration-normal) var(--tc-ease-out),
    transform var(--tc-duration-normal) var(--tc-ease-out);
}

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

.tc-user-menu__item {
  transition: background var(--tc-duration-fast) var(--tc-ease-standard),
    color var(--tc-duration-fast) var(--tc-ease-standard);
}

.tc-user-avatar-box .tc-user-avatar--img {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1;
  background: var(--tc-white);
}

.tc-user-avatar-box .tc-user-avatar--placeholder {
  position: relative;
  z-index: 0;
}

.tc-user-avatar-box .tc-user-avatar--img[src=""],
.tc-user-avatar-box .tc-user-avatar--img:not([src]) {
  display: none;
}

/* ---------- 侧栏 ---------- */
.tc-sidebar {
  border-right: none;
  box-shadow: 1px 0 0 rgba(0, 0, 0, 0.04);
}

.tc-sidebar-menu a {
  position: relative;
  margin: 2px 8px;
  padding: 0 12px 0 14px;
  height: 36px;
  line-height: 36px;
  border-left: none;
  border-radius: var(--tc-radius-md);
  transition: background var(--tc-duration-fast) var(--tc-ease-standard),
    color var(--tc-duration-fast) var(--tc-ease-standard);
}

.tc-sidebar-menu a::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 3px;
  height: 0;
  margin-top: 0;
  background: var(--tc-brand);
  border-radius: 0 2px 2px 0;
  transform: translateY(-50%);
  transition: height var(--tc-duration-normal) var(--tc-ease-out);
}

.tc-sidebar-menu a:hover {
  background: #f0f5ff;
}

.tc-sidebar-menu a.is-active {
  background: linear-gradient(90deg, #e8f3ff 0%, #f5f9ff 100%);
  color: var(--tc-brand);
  font-weight: 600;
}

.tc-sidebar-menu a.is-active::before {
  height: 18px;
}

/* ---------- 主内容入场 ---------- */
@keyframes tc-fade-up {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 内容区细节见 content.css */

/* ---------- 按钮 ---------- */
.tc-btn {
  border-radius: var(--tc-radius-md);
  transition: background var(--tc-duration-fast) var(--tc-ease-standard),
    border-color var(--tc-duration-fast) var(--tc-ease-standard),
    color var(--tc-duration-fast) var(--tc-ease-standard),
    box-shadow var(--tc-duration-fast) var(--tc-ease-standard),
    transform var(--tc-duration-fast) var(--tc-ease-out);
}

.tc-btn:active:not(:disabled) {
  transform: scale(0.98);
}

.tc-btn--primary {
  box-shadow: 0 1px 2px rgba(0, 82, 217, 0.2);
}

.tc-btn--primary:hover:not(:disabled) {
  box-shadow: 0 4px 12px rgba(0, 110, 255, 0.28);
}

.tc-btn--primary:disabled,
.tc-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.tc-btn.is-loading {
  position: relative;
  color: transparent !important;
  pointer-events: none;
}

.tc-btn.is-loading::after {
  content: '';
  position: absolute;
  left: 50%;
  top: 50%;
  width: 14px;
  height: 14px;
  margin: -7px 0 0 -7px;
  border: 2px solid rgba(255, 255, 255, 0.35);
  border-top-color: #fff;
  border-radius: 50%;
  animation: tc-spin 0.65s linear infinite;
}

.tc-btn--weak.is-loading::after {
  border-color: rgba(0, 0, 0, 0.12);
  border-top-color: var(--tc-brand);
}

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

/* ---------- 表单 ---------- */
.tc-input,
select.tc-input,
textarea.tc-input {
  border-radius: var(--tc-radius-md);
  transition: border-color var(--tc-duration-fast) var(--tc-ease-standard),
    box-shadow var(--tc-duration-fast) var(--tc-ease-standard),
    background var(--tc-duration-fast) var(--tc-ease-standard);
}

.tc-input:hover:not(:disabled) {
  border-color: #c5c5c5;
}

.tc-input:focus {
  border-color: var(--tc-brand);
  box-shadow: 0 0 0 3px rgba(0, 110, 255, 0.12);
}

.tc-input--code {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-align: center;
  font-variant-numeric: tabular-nums;
}

.tc-form-actions {
  border-top-color: rgba(0, 0, 0, 0.05);
}

/* ---------- 验证码区块 ---------- */
.tc-verify-block {
  margin-bottom: 20px;
  padding: 16px 18px;
  background: linear-gradient(135deg, #f8fbff 0%, #f2f7ff 100%);
  border: 1px solid #d6e8ff;
  border-radius: var(--tc-radius-md);
  transition: border-color var(--tc-duration-normal) var(--tc-ease-out),
    box-shadow var(--tc-duration-normal) var(--tc-ease-out);
}

.tc-verify-block:focus-within {
  border-color: #9ec5ff;
  box-shadow: 0 0 0 3px rgba(0, 110, 255, 0.08);
}

.tc-verify-block .tc-form-item--verify {
  margin-bottom: 0;
}

.tc-verify-block__title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--tc-text-title);
  margin-bottom: 10px;
}

.tc-verify-block__title::before {
  content: '';
  width: 4px;
  height: 14px;
  background: var(--tc-brand);
  border-radius: 2px;
}

.tc-verify-code-row .tc-btn {
  min-width: 108px;
}

/* ---------- 提示 ---------- */
@keyframes tc-alert-in {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.tc-alert {
  border-radius: var(--tc-radius-md);
  animation: tc-alert-in 0.35s var(--tc-ease-out);
}

/* ---------- 下载列表 ---------- */
.tc-download-row {
  margin: 0 -4px;
  padding: 14px 12px;
  border-bottom: none;
  border-radius: var(--tc-radius-md);
  transition: background var(--tc-duration-fast) var(--tc-ease-standard),
    transform var(--tc-duration-fast) var(--tc-ease-out);
}

.tc-download-row + .tc-download-row {
  margin-top: 4px;
}

.tc-download-row:hover {
  background: #f5f9ff;
}

.tc-download-list {
  padding: 4px 0;
}

/* ---------- 表格 ---------- */
.tc-data-table tbody tr {
  transition: background var(--tc-duration-fast) var(--tc-ease-standard);
}

.tc-tag {
  border-radius: var(--tc-radius-sm);
  transition: transform var(--tc-duration-fast) var(--tc-ease-out);
}

/* ---------- 分页 ---------- */
.tc-pagination .tc-btn {
  transition: all var(--tc-duration-fast) var(--tc-ease-standard);
}

/* ---------- 登录页等无侧栏 ---------- */
.tc-layout:not(.tc-layout--console) .tc-main {
  max-width: 960px;
  margin: 0 auto;
}

/* ---------- 底部栏（仅内容区、侧栏压在其上） ---------- */
.tc-site-footer {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 90;
  height: var(--tc-footer-h);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: 0 20px;
  background: var(--tc-white);
  border-top: 1px solid var(--tc-border);
  box-shadow: 0 -1px 4px rgba(0, 0, 0, 0.04);
}

.tc-layout--console .tc-site-footer {
  left: var(--tc-sidebar-w);
}

.tc-site-footer__copy {
  margin: 0;
  font-size: 12px;
  line-height: 20px;
  color: var(--tc-text-secondary);
}