/*
 * BeeHears 官网内页样式：models / status / about / terms / privacy
 * 依赖 common.css 的设计变量与组件（.card .inverse .chip .icon-tile .btn .page-header …）
 * 本文件不写十六进制色值，颜色一律取 common.css 变量；亮暗两套由变量自动切换。
 * 规范：STYLE.md 第一章「共同底线」+ 第三章「落地页：品牌蓝」
 */

/* ========== 内页通用 ========== */
.models-section,
.status-section,
.about-section { padding-bottom: 96px; }

/* 小节标题：状态页带图标块，关于页只有标题 */
.block-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}
.block-heading {
  min-width: 0;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.6vw, 2rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--c-text);
}

/* 正文里的链接常驻下划线：强调色与正文色对比不足 3:1，不能只靠颜色区分 */
.api-notice-text a,
.legal-content a {
  text-decoration: underline;
  text-decoration-thickness: 1px;
  overflow-wrap: anywhere;
}

/* ========== 模型页 ========== */
.api-notice {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 32px;
  padding: 12px 16px;
  border-radius: var(--radius-card);
  background: var(--c-surface);
  box-shadow: 0 0 0 1px var(--c-ring);
}
.api-notice-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  flex: none;
  border-radius: var(--radius-sm);
  background: var(--c-chip);
  color: var(--c-accent);
}
.api-notice-icon svg { width: 16px; height: 16px; }
.api-notice-text {
  min-width: 0;
  color: var(--c-muted);
  font-size: 14px;
  line-height: 1.6;
}
.api-notice-text a { font-weight: 600; }

.models-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 24px;
  margin-bottom: 20px;
}

/* 筛选胶囊组：激活项墨色底（暗色翻成浅底深字，跟主按钮同一组变量） */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  min-width: 0;
}
.filter-btn {
  display: inline-flex;
  align-items: center;
  height: 36px;
  padding: 0 16px;
  border: 0;
  border-radius: var(--radius-pill);
  background: var(--c-chip);
  color: var(--c-muted);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
  transition: transform var(--dur-btn) var(--ease), background-color var(--dur-btn) var(--ease), color var(--dur-btn) var(--ease), box-shadow var(--dur-btn) var(--ease);
}
.filter-btn:hover { color: var(--c-text); transform: translateY(-1px); }
.filter-btn:active { transform: scale(0.98); }
.filter-btn.active {
  background: var(--btn-primary-bg);
  color: var(--btn-primary-text);
  box-shadow: var(--btn-primary-shadow);
}
.filter-btn:focus-visible { box-shadow: var(--focus-ring); }
.filter-btn.active:focus-visible { box-shadow: var(--btn-primary-shadow), var(--focus-ring); }

.models-count {
  color: var(--c-muted);
  font-size: 14px;
  font-variant-numeric: tabular-nums;
}

/* 模型行：每行一张卡片，悬停上浮 2px */
.models-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.model-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto auto;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  border-radius: var(--radius-card);
  background: var(--c-surface);
  box-shadow: 0 0 0 1px var(--c-ring);
  color: var(--c-text);
  text-decoration: none;
  transition: transform var(--dur-card) var(--ease), box-shadow var(--dur-card) var(--ease);
}
.model-row:hover {
  color: var(--c-text);
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: var(--shadow-float);
}
.model-row:active { transform: scale(0.98); }
.model-row:focus-visible { box-shadow: var(--focus-ring); }

.model-row-name {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}
.model-row-name strong {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.4;
  overflow-wrap: anywhere;
}
.model-row-name .model-id {
  color: var(--c-muted);
  font-size: 13px;
  line-height: 1.5;
}
.model-row-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 6px;
  min-width: 0;
}
/* 标签与厂商徽章统一中性胶囊，不用各家品牌色 */
.model-row .chip { height: 24px; padding: 0 8px; }
.model-row-vendor.chip { padding: 0 10px; font-size: 12px; }
.model-row-arrow {
  width: 16px;
  height: 16px;
  color: var(--c-muted);
  transition: color var(--dur-card) var(--ease);
}
.model-row:hover .model-row-arrow { color: var(--c-accent); }

.models-loading {
  padding: 64px 20px;
  color: var(--c-muted);
  text-align: center;
}
.models-loading .spinner {
  width: 28px;
  height: 28px;
  margin: 0 auto 16px;
  border: 2px solid var(--c-hairline);
  border-top-color: var(--c-accent);
  border-radius: 50%;
  animation: bh-spin 800ms linear infinite;
}
@keyframes bh-spin { to { transform: rotate(360deg); } }

/* 接口失败兜底：第一张反色卡横跨两列 */
.fallback-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}
.fallback-card h3 { margin-bottom: 16px; }
.fallback-card ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.fallback-card li {
  position: relative;
  padding-left: 16px;
  color: var(--c-muted);
  font-size: 15px;
  line-height: 1.5;
}
.fallback-card li::before {
  content: '';
  position: absolute;
  top: 0.6em;
  left: 0;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-accent);
}
.fallback-card.inverse li::before { background: var(--c-muted); }
@media (min-width: 640px) {
  .fallback-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .fallback-card:first-child { grid-column: span 2; }
  /* 宽卡里的列表按列排（左栏读完再读右栏） */
  .fallback-card:first-child ul {
    display: block;
    columns: 2;
    column-gap: 24px;
  }
  .fallback-card:first-child li {
    padding-bottom: 10px;
    break-inside: avoid;
  }
}
@media (min-width: 1024px) {
  .fallback-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
.fallback-cta {
  margin-top: 40px;
  text-align: center;
}
.fallback-cta p {
  margin-bottom: 16px;
  color: var(--c-muted);
}

/* ========== 状态页 ========== */
.auto-refresh {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 28px;
  margin-bottom: 16px;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  background: var(--c-chip);
  box-shadow: 0 0 0 1px var(--c-ring-strong);
  color: var(--c-muted);
  font-size: 12px;
  font-weight: 500;
  line-height: 1.4;
}
.auto-refresh-dot {
  position: relative;
  width: 6px;
  height: 6px;
  flex: none;
  border-radius: 50%;
  background: var(--c-accent);
}
.auto-refresh-dot::after {
  content: '';
  position: absolute;
  inset: -3px;
  border: 1px solid var(--c-accent);
  border-radius: 50%;
  animation: bh-live 2000ms var(--ease) infinite;
}
@keyframes bh-live {
  from { opacity: 0.9; transform: scale(0.5); }
  to { opacity: 0; transform: scale(1.8); }
}

.system-status-banner {
  display: flex;
  align-items: center;
  gap: 16px;
}
.system-status-text { min-width: 0; }
.system-status-text h2 {
  font-size: 20px;
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.02em;
}
.system-status-text p { margin-top: 4px; }

/* 指标卡：一组四张，第一张反色 */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-top: 16px;
}
.metric-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
.metric-value {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.4vw, 2.75rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.metric-label {
  margin: 12px 0 20px;
  color: var(--c-muted);
  font-size: 14px;
  line-height: 1.5;
}
.metric-trend.chip {
  margin-top: auto;
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}
.metric-trend.up,
.metric-trend.down { color: var(--c-accent); }
.inverse .metric-trend.up,
.inverse .metric-trend.down { color: var(--c-text); }

.status-block { margin-top: 64px; }

/* 服务组件：一块面板，行之间 1px 分隔线 */
.component-list {
  border-radius: var(--radius-card);
  background: var(--c-surface);
  box-shadow: 0 0 0 1px var(--c-ring);
}
.component-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px 24px;
  padding: 18px 24px;
}
.component-item + .component-item { border-top: 1px solid var(--c-hairline); }
.component-info {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}
.component-text { min-width: 0; }
.component-name {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.4;
}
.component-desc {
  margin-top: 2px;
  color: var(--c-muted);
  font-size: 14px;
  line-height: 1.5;
}
.component-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  flex: none;
}
.response-time {
  color: var(--c-muted);
  font-family: var(--font-mono);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
}
/* 状态徽章：文字 + 圆点，圆点用强调色，底色保持中性 */
.status-badge,
.incident-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 28px;
  padding: 0 10px;
  flex: none;
  border-radius: var(--radius-pill);
  background: var(--c-chip);
  color: var(--c-text);
  font-size: 12px;
  font-weight: 600;
  line-height: 1;
  white-space: nowrap;
}
.status-dot,
.incident-status::before {
  width: 6px;
  height: 6px;
  flex: none;
  border-radius: 50%;
  background: var(--c-accent);
}
.incident-status::before { content: ''; }

/* 90 天可用率：一行细竖条，每天一根；降级用斜纹、中断用墨色，不只靠色相区分 */
.uptime-grid {
  display: flex;
  gap: 3px;
  padding: 32px 28px 28px;
  border-radius: var(--radius-card);
  background: var(--c-surface);
  box-shadow: 0 0 0 1px var(--c-ring);
}
.uptime-day {
  position: relative;
  flex: 1 1 0;
  min-width: 0;
  height: 40px;
  border-radius: 2px;
  background: var(--c-accent);
  transition: transform var(--dur-btn) var(--ease);
}
.uptime-day:hover { transform: translateY(-2px); }
.uptime-day.degraded {
  background: repeating-linear-gradient(-45deg, var(--c-accent) 0 2px, transparent 2px 4px);
  box-shadow: inset 0 0 0 1px var(--c-accent);
}
.uptime-day.outage { background: var(--c-text); }

/* 悬停提示：前 30 根左对齐、后 30 根右对齐，其余居中，避免提示框顶出面板造成横向溢出 */
.uptime-day-tooltip {
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  z-index: 2;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  background: var(--c-inverse-bg);
  color: var(--c-inverse-text);
  font-size: 12px;
  font-weight: 500;
  line-height: 1.3;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 4px);
  transition: opacity 200ms var(--ease), transform 200ms var(--ease);
}
.uptime-day:hover .uptime-day-tooltip { opacity: 1; transform: translate(-50%, 0); }
.uptime-day:nth-child(-n+30) .uptime-day-tooltip { left: 0; transform: translate(0, 4px); }
.uptime-day:nth-child(-n+30):hover .uptime-day-tooltip { transform: translate(0, 0); }
.uptime-day:nth-last-child(-n+30) .uptime-day-tooltip { left: auto; right: 0; transform: translate(0, 4px); }
.uptime-day:nth-last-child(-n+30):hover .uptime-day-tooltip { transform: translate(0, 0); }

/* 历史事件 */
.incident-item + .incident-item { margin-top: 16px; }
.incident-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px 16px;
}
.incident-header > div { min-width: 0; }
.incident-title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -0.01em;
}
.incident-time {
  margin-top: 4px;
  color: var(--c-muted);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
}
.incident-body {
  margin-top: 16px;
  color: var(--c-muted);
  font-size: 15px;
  line-height: 1.7;
}
.incident-updates {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--c-hairline);
}
.incident-update {
  display: grid;
  grid-template-columns: 3.5rem minmax(0, 1fr);
  gap: 12px;
  font-size: 14px;
  line-height: 1.6;
}
.incident-update time {
  color: var(--c-muted);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.75;
  font-variant-numeric: tabular-nums;
}

/* ========== 关于页 ========== */
.about-block + .about-block { margin-top: 64px; }

.about-intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 2fr);
  gap: 16px 48px;
}
.about-intro h2 {
  font-size: clamp(1.5rem, 2.6vw, 2rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
}
.about-intro-text p {
  font-size: 16px;
  line-height: 1.8;
}
.about-intro-text p:first-child { color: var(--c-text); }
.about-intro-text p + p { margin-top: 16px; }

.about-lead {
  max-width: 40rem;
  margin-top: 12px;
  color: var(--c-muted);
  font-size: 16px;
  line-height: 1.7;
}

/* 服务与联系方式：各一组卡片，每组留一张反色卡 */
.service-list,
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 24px;
}
.service-item .icon-tile { margin-bottom: 20px; }
.service-item h3 { margin-bottom: 8px; }

.contact-item {
  display: flex;
  align-items: center;
  gap: 14px;
}
.contact-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}
.contact-label {
  color: var(--c-muted);
  font-size: 13px;
  font-weight: 500;
  line-height: 1.4;
}
.contact-value {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
  overflow-wrap: anywhere;
}

/* ========== 用户协议 / 隐私政策 ========== */
.legal-section {
  width: 100%;
  max-width: calc(var(--container) + var(--gutter) * 2);
  margin: 0 auto;
  padding: 0 var(--gutter) 96px;
}
.legal-content {
  max-width: 48rem;
  color: var(--c-text);
  font-size: 16px;
  line-height: 1.8;
}
.legal-content > * + * { margin-top: 16px; }
.legal-content .last-updated {
  padding-bottom: 24px;
  border-bottom: 1px solid var(--c-hairline);
  color: var(--c-muted);
  font-size: 14px;
  line-height: 1.6;
}
.legal-content .last-updated + * { margin-top: 32px; }
.legal-content h2 {
  margin-top: 48px;
  padding-top: 40px;
  border-top: 1px solid var(--c-hairline);
  font-size: clamp(1.375rem, 2.4vw, 1.625rem);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.02em;
}
.legal-content h3 {
  margin-top: 32px;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: -0.01em;
}
.legal-content > h2 + *,
.legal-content > h3 + * { margin-top: 12px; }
.legal-content > h2 + h3 { margin-top: 24px; }
.legal-content ul { padding-left: 1.25em; }
.legal-content li + li { margin-top: 8px; }
.legal-content li::marker { color: var(--c-muted); }
.legal-content strong { font-weight: 700; }

/* ========== 断点 ========== */
@media (max-width: 1023px) {
  .metrics-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .uptime-grid { gap: 2px; }
}

@media (max-width: 899px) {
  .service-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .service-item:last-child { grid-column: span 2; }
  .contact-grid { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 767px) {
  .about-intro { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 640px) {
  .models-section,
  .status-section,
  .about-section,
  .legal-section { padding-bottom: 64px; }

  /* 手机：名称 + 厂商 + 箭头一行，标签另起一行；没有标签的行不留空行 */
  .model-row {
    grid-template-columns: minmax(0, 1fr) auto auto;
    gap: 8px 12px;
    padding: 14px 16px;
  }
  .model-row-name { grid-column: 1; grid-row: 1; }
  .model-row-vendor { grid-column: 2; grid-row: 1; }
  .model-row-arrow { grid-column: 3; grid-row: 1; }
  .model-row-tags { grid-column: 1 / -1; grid-row: 2; justify-content: flex-start; }
  .model-row-tags:not(:has(*)) { display: none; }

  .metric-card.card { padding: 20px; }
  .metric-label { margin-bottom: 16px; }

  .status-block { margin-top: 48px; }
  .component-item {
    flex-direction: column;
    align-items: flex-start;
    padding: 16px;
  }
  .component-meta { padding-left: 50px; }

  .uptime-grid { gap: 1px; padding: 28px 16px 20px; }
  .uptime-day { height: 32px; }

  .incident-header { flex-direction: column; }
  .incident-update { grid-template-columns: 3rem minmax(0, 1fr); }

  .about-block + .about-block { margin-top: 48px; }
  .service-list { grid-template-columns: minmax(0, 1fr); }
  .service-item:last-child { grid-column: auto; }

  .legal-content h2 { margin-top: 40px; padding-top: 32px; }
}

/* ========== 动效降级 ========== */
@media (prefers-reduced-motion: reduce) {
  .filter-btn:hover,
  .filter-btn:active,
  .model-row:hover,
  .model-row:active,
  .uptime-day:hover { transform: none; }
  .auto-refresh-dot::after { display: none; }
}