/* ============================================================
 * Medivh Pages —— 主页样式（零依赖，亮/暗主题跟随系统）
 * ============================================================ */

:root {
  --bg: #f5f6f8;
  --bg-card: #ffffff;
  --bg-hover: #ffffff;
  --text: #1f2328;
  --text-secondary: #59636e;
  --text-muted: #8b949e;
  --border: #d8dee4;
  --border-hover: #0969da;
  --accent: #0969da;
  --tag-text: #24292f;
  --tag-border-alpha: 0.25;
  --shadow: 0 1px 3px rgba(31, 35, 40, 0.08);
  --shadow-hover: 0 6px 20px rgba(31, 35, 40, 0.12);
  --radius: 12px;
  --radius-sm: 6px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d1117;
    --bg-card: #161b22;
    --bg-hover: #1c2129;
    --text: #e6edf3;
    --text-secondary: #9198a1;
    --text-muted: #6e7681;
    --border: #30363d;
    --border-hover: #388bfd;
    --accent: #388bfd;
    --tag-text: #e6edf3;
    --tag-border-alpha: 0.45;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
    --shadow-hover: 0 6px 20px rgba(0, 0, 0, 0.5);
  }
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  line-height: 1.6;
  transition: background 0.25s ease, color 0.25s ease;
}

code {
  padding: 0.1em 0.4em;
  border-radius: 4px;
  font-size: 0.9em;
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  color: var(--accent);
  font-family: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;
}

/* ---------- 头部 ---------- */

.site-header {
  padding: 3rem 1.25rem 2rem;
  text-align: center;
}

.site-title {
  margin: 0;
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.site-title span {
  color: var(--accent);
}

.site-subtitle {
  margin: 0.35rem 0 0;
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.3em;
  text-transform: uppercase;
}

/* ---------- 工具栏 ---------- */

.toolbar {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.search-box {
  position: relative;
}

.search-box input {
  width: 100%;
  padding: 0.65rem 1rem 0.65rem 2.6rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
  color: var(--text);
  font-size: 1rem;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.search-box input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 18%, transparent);
}

.icon-search {
  position: absolute;
  left: 0.85rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

/* ---------- 标签栏 ---------- */

.tag-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.tag-bar .tag-filter {
  cursor: pointer;
  transition: all 0.15s ease;
}

.tag-bar .tag-filter:hover {
  border-color: var(--accent);
}

.tag-bar .tag-filter.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

/* ---------- 卡片网格 ---------- */

.main {
  flex: 1;
  width: min(1080px, 100% - 2.5rem);
  margin: 1.5rem auto 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.page-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}

.page-card {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  padding: 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  text-decoration: none;
  color: inherit;
  transition: transform 0.15s ease, border-color 0.15s ease,
    box-shadow 0.15s ease, background 0.15s ease;
}

.page-card:active {
  transform: translateY(-1px);
  border-color: var(--border-hover);
}

@media (hover: hover) {
  .page-card:hover {
    transform: translateY(-3px);
    border-color: var(--border-hover);
    background: var(--bg-hover);
    box-shadow: var(--shadow-hover);
  }
}

.card-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.card-avatar {
  flex-shrink: 0;
  width: 2.2rem;
  height: 2.2rem;
  display: grid;
  place-items: center;
  border-radius: var(--radius-sm);
  font-weight: 650;
  font-size: 0.95rem;
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 12%, transparent);
}

.card-title {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 650;
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.card-desc {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.88rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 2.8em;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.card-footer {
  margin-top: auto;
  padding-top: 0.25rem;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  color: var(--text-muted);
  font-size: 0.78rem;
}

.card-path {
  display: none;
}

/* ---------- 标签配色：统一主题色 ---------- */

.tag {
  display: inline-block;
  padding: 0.1rem 0.6rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  border: 1px solid color-mix(in srgb, var(--accent) 40%, transparent);
  background: color-mix(in srgb, var(--accent) 12%, transparent);
}

/* ---------- 空状态 ---------- */

.empty-state {
  text-align: center;
  padding: 4rem 1rem;
  color: var(--text-secondary);
}

.empty-title {
  margin: 0 0 0.5rem;
  font-size: 1.15rem;
  font-weight: 650;
  color: var(--text);
}

.empty-hint {
  margin: 0;
  font-size: 0.9rem;
}

/* ---------- 页脚 ---------- */

.site-footer {
  width: min(1080px, 100% - 2.5rem);
  margin: 0 auto;
  text-align: center;
  padding: 1.5rem 0;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.85rem;
}

.site-footer p {
  margin: 0;
}

/* ---------- 响应式 ---------- */

@media (max-width: 640px) {
  .site-header {
    padding: 1.75rem 1rem 1.25rem;
  }

  .main {
    width: min(1080px, 100% - 1.5rem);
    margin: 1rem auto 1.5rem;
  }

  .site-footer {
    width: min(1080px, 100% - 1.5rem);
  }

  .search-box input {
    padding: 0.75rem 1rem 0.75rem 2.6rem;
  }
}

@media (max-width: 400px) {
  .page-grid {
    grid-template-columns: 1fr;
  }

  .page-card {
    padding: 1rem;
  }
}

/* 减少动效偏好 */
@media (prefers-reduced-motion: reduce) {

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}