/* ============================================================
   index.css — Entry point
   ------------------------------------------------------------
   Import order matters:
     1. tokens       — design primitives (no theme color)
     2. themes       — color overrides per [data-theme]
     3. reset        — element normalization
     4. base         — element defaults + focus ring
     5. components   — .ui-* classes (consume tokens only)
   ============================================================ */

@import "./tokens.css";
@import "./themes/light.css";
@import "./themes/dark.css";
@import "./reset.css";
@import "./base.css";

/* Components */
@import "./components/button.css";
@import "./components/input.css";
@import "./components/card.css";
@import "./components/table.css";
@import "./components/modal.css";
@import "./components/tabs.css";
@import "./components/dropdown.css";
@import "./components/icon.css";
@import "./components/select.css";
@import "./components/datepicker.css";
@import "./components/radio-group.css";
@import "./components/checkbox-group.css";
@import "./components/list.css";
@import "./components/chart.css";
@import "./components/alert.css";
@import "./components/badge.css";
@import "./components/avatar.css";
@import "./components/breadcrumb.css";
@import "./components/pagination.css";
@import "./components/tooltip.css";
@import "./components/loading.css";
@import "./components/empty.css";
@import "./components/toast.css";
@import "./components/navbar.css";
@import "./components/sidebar.css";
@import "./components/upload.css";

/* ============================================================
   Demo page shell
   ------------------------------------------------------------
   Layout for the component showcase: fixed navbar, left
   sidebar nav, scrollable main content with sections.
   ============================================================ */

.ui-app {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

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

.ui-main {
  flex: 1;
  min-width: 0;
  padding: var(--space-6) var(--space-8);
  overflow-x: hidden;
}

.ui-section {
  margin-bottom: var(--space-9);
  scroll-margin-top: calc(var(--header-height) + var(--space-4));
}
.ui-section-header {
  margin-bottom: var(--space-5);
}
.ui-section-title {
  font-size: var(--fs-h3);
  font-weight: var(--fw-semibold);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.ui-section-desc {
  font-size: var(--fs-body);
  color: var(--text-secondary);
  margin-top: var(--space-1);
}
.ui-section-anchor {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--fs-caption);
  color: var(--text-tertiary);
}

/* Demo block: holds an example + optional class name chip */
.ui-demo {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.ui-demo-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
}
.ui-demo-label {
  font-size: var(--fs-caption);
  color: var(--text-tertiary);
  margin-bottom: var(--space-1);
  text-transform: capitalize;
}
.ui-demo-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

/* Showcase panel — a card-like surface for examples */
.ui-showcase {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  padding: var(--space-6);
}
.ui-showcase + .ui-showcase { margin-top: var(--space-4); }

.ui-showcase-title {
  font-size: var(--fs-body);
  font-weight: var(--fw-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-4);
}

/* Code / class-name chip */
.ui-code {
  font-family: var(--font-mono);
  font-size: var(--fs-aux);
  background-color: var(--bg-subtle);
  color: var(--color-primary);
  padding: 2px var(--space-2);
  border-radius: var(--radius-xs);
  border: 1px solid var(--border-subtle);
}
.ui-code-block {
  font-family: var(--font-mono);
  font-size: var(--fs-aux);
  background-color: var(--bg-subtle);
  color: var(--text-secondary);
  padding: var(--space-3);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  overflow-x: auto;
  white-space: pre;
}

/* 代码展示：带标题栏（语言标签 + 复制按钮）的容器 */
.ui-code-panel {
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  background-color: var(--bg-surface);
  overflow: hidden;
}
.ui-code-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background-color: var(--bg-subtle);
  border-bottom: 1px solid var(--border-subtle);
}
.ui-code-panel-lang {
  font-family: var(--font-mono);
  font-size: var(--fs-caption);
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.ui-code-panel-copy {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--fs-caption);
  color: var(--text-secondary);
  background: transparent;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xs);
  padding: 2px var(--space-2);
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s, background-color 0.15s;
}
.ui-code-panel-copy:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.ui-code-panel-copy:focus-visible {
  outline: 2px solid var(--border-focus);
  outline-offset: 1px;
}
.ui-code-panel-copy.is-copied {
  color: var(--color-success);
  border-color: var(--color-success);
}
.ui-code-panel .ui-code-block {
  border: none;
  border-radius: 0;
  margin: 0;
  background-color: var(--bg-surface);
}

/* ------------------------------------------------------------
   语法高亮 token 配色
   ------------------------------------------------------------
   复用语义色令牌，随 [data-theme] 自动切换明暗。
   .ui-code-block[data-lang] 表示该块已被高亮器处理过。
   未处理的块保持原样（纯 .ui-code-block 样式）。 */
.ui-code-block[data-lang] {
  color: var(--text-primary);
}
.ui-code-block .tok-comment { color: var(--text-tertiary); font-style: italic; }
.ui-code-block .tok-keyword { color: var(--color-primary); font-weight: var(--fw-semibold); }
.ui-code-block .tok-string  { color: var(--color-success); }
.ui-code-block .tok-number  { color: var(--color-warning); }
.ui-code-block .tok-builtin { color: var(--color-primary-hover); }
.ui-code-block .tok-attr    { color: var(--color-primary-active); }
.ui-code-block .tok-tag     { color: var(--color-danger); }
.ui-code-block .tok-punct   { color: var(--text-secondary); }
.ui-code-block .tok-fn      { color: var(--color-warning-active); }
.ui-code-block .tok-var     { color: var(--text-primary); }

/* Grid helpers for the showcase */
.ui-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}
.ui-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}
.ui-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
}

/* Color swatch */
.ui-swatch {
  border-radius: var(--radius-md);
  border: 1px solid var(--border-default);
  overflow: hidden;
}
.ui-swatch-color {
  height: 64px;
  display: flex;
  align-items: flex-end;
  padding: var(--space-2);
}
.ui-swatch-color span {
  font-size: var(--fs-caption);
  font-family: var(--font-mono);
  color: rgba(255, 255, 255, 0.95);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.4);
}
.ui-swatch-meta {
  padding: var(--space-2) var(--space-3);
  background-color: var(--bg-surface);
  font-size: var(--fs-aux);
  color: var(--text-secondary);
}

/* Responsive preview frames */
.ui-device-row {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}
.ui-device {
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  overflow: hidden;
  background-color: var(--bg-surface);
}
.ui-device-bar {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background-color: var(--bg-subtle);
  border-bottom: 1px solid var(--border-default);
  font-size: var(--fs-caption);
  color: var(--text-secondary);
}
.ui-device-bar::before {
  content: "";
  width: 8px; height: 8px;
  border-radius: var(--radius-full);
  background-color: var(--border-hover);
}
.ui-device-content {
  padding: var(--space-4);
  background-color: var(--bg-page);
}
.ui-device-desktop { width: 100%; max-width: 560px; }
.ui-device-tablet  { width: 320px; }
.ui-device-mobile  { width: 220px; }

/* Inline icon sizing used across demo */
.ui-icon {
  flex-shrink: 0;
  display: inline-flex;
}
.ui-icon-sm { width: 16px; height: 16px; }
.ui-icon-md { width: 20px; height: 20px; }
.ui-icon-lg { width: 24px; height: 24px; }

/* Form demo widths */
.ui-form-demo { max-width: 420px; display: flex; flex-direction: column; gap: var(--space-4); }

/* Responsive: collapse grids on tablet, single column on mobile */
@media (max-width: 1199px) {
  .ui-grid-4 { grid-template-columns: repeat(2, 1fr); }
  .ui-grid-3 { grid-template-columns: repeat(2, 1fr); }
  .ui-main { padding: var(--space-5) var(--space-6); }
}
@media (max-width: 767px) {
  .ui-grid-2,
  .ui-grid-3,
  .ui-grid-4 { grid-template-columns: 1fr; }
  .ui-main { padding: var(--space-4); }
  .ui-showcase { padding: var(--space-4); }
  .ui-section { margin-bottom: var(--space-7); }
}