/* ============================================================================
   客小帮 AI 智慧拓客平台 · 基础样式
   包含：CSS 重置、基础排版、滚动条、通用动画关键帧、通用工具类
   ========================================================================== */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--kx-font);
  font-size: var(--kx-fs);
  line-height: 1.5715;
  color: var(--kx-text);
  background: var(--kx-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, h5, h6, p, figure, blockquote, dl, dd {
  margin: 0;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.3;
}

ul, ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

a {
  color: var(--kx-primary);
  text-decoration: none;
  transition: color var(--kx-dur) var(--kx-ease);
}

a:hover {
  color: var(--kx-primary-light);
}

img, svg, video {
  display: block;
  max-width: 100%;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  padding: 0;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
  width: 100%;
}

/* 数字统一等宽，避免跳动 */
.kx-num,
.kx-stat__value,
.kx-table td,
.kx-pagination,
.kx-metric {
  font-variant-numeric: tabular-nums;
}

/* ---------------------------------------------------------------- 图标 */
.kx-icon {
  display: inline-block;
  width: 1em;
  height: 1em;
  flex: none;
  fill: currentColor;
  vertical-align: -.125em;
  overflow: hidden;
  pointer-events: none;
}

/* ---------------------------------------------------------------- 滚动条 */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--kx-scrollbar-thumb) transparent;
}

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--kx-scrollbar-thumb);
  border-radius: var(--kx-radius-full);
  border: 2px solid transparent;
  background-clip: content-box;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--kx-scrollbar-thumb-hover);
  background-clip: content-box;
}

::-webkit-scrollbar-corner {
  background: transparent;
}

/* ---------------------------------------------------------------- 选中态与焦点 */
::selection {
  background: var(--kx-primary-100);
  color: var(--kx-primary-dark);
}

:focus-visible {
  outline: 2px solid var(--kx-primary);
  outline-offset: 2px;
}

/* ---------------------------------------------------------------- 关键帧 */
@keyframes kx-fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes kx-fade-up {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes kx-fade-down {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes kx-zoom-in {
  from { opacity: 0; transform: scale(.96); }
  to   { opacity: 1; transform: scale(1); }
}

@keyframes kx-slide-left {
  from { transform: translateX(100%); }
  to   { transform: translateX(0); }
}

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

@keyframes kx-shimmer {
  0%   { background-position: -420px 0; }
  100% { background-position: 420px 0; }
}

@keyframes kx-pulse {
  0%, 100% { opacity: 1; }
  50%      { opacity: .35; }
}

@keyframes kx-rise-in {
  from { opacity: 0; transform: translateY(18px) scale(.99); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

/* ---------------------------------------------------------------- 工具类 */
.kx-anim-fade { animation: kx-fade-in var(--kx-dur) var(--kx-ease) both; }
.kx-anim-up   { animation: kx-fade-up .32s var(--kx-ease) both; }

.kx-hide { display: none !important; }
.kx-sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.kx-row { display: flex; align-items: center; }
.kx-row-between { display: flex; align-items: center; justify-content: space-between; }
.kx-col { display: flex; flex-direction: column; }
.kx-gap-1 { gap: var(--kx-sp-1); }
.kx-gap-2 { gap: var(--kx-sp-2); }
.kx-gap-3 { gap: var(--kx-sp-3); }
.kx-gap-4 { gap: var(--kx-sp-4); }
.kx-gap-5 { gap: var(--kx-sp-5); }
.kx-gap-6 { gap: var(--kx-sp-6); }
.kx-flex-1 { flex: 1 1 auto; min-width: 0; }
.kx-mt-2 { margin-top: var(--kx-sp-2); }
.kx-mt-3 { margin-top: var(--kx-sp-3); }
.kx-mt-4 { margin-top: var(--kx-sp-4); }
.kx-mb-3 { margin-bottom: var(--kx-sp-3); }
.kx-mb-4 { margin-bottom: var(--kx-sp-4); }
.kx-text-2 { color: var(--kx-text-2); }
.kx-text-3 { color: var(--kx-text-3); }
.kx-text-xs { font-size: var(--kx-fs-xs); }
.kx-text-sm { font-size: var(--kx-fs-sm); }
.kx-text-lg { font-size: var(--kx-fs-lg); }
.kx-strong { font-weight: 600; }
.kx-ellipsis {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.kx-clamp-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.kx-up { color: var(--kx-success); }
.kx-down { color: var(--kx-danger); }
.kx-scroll-y { overflow-y: auto; }

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
}