/* ============================================================
   cloudflare-uptime-monitor — 状态页样式 v2.0
   参考 UptimeFlare 精致设计，融合现代玻璃拟态风格
   ============================================================ */

/* ── CSS 变量（主题系统）── */
:root {
  /* 亮色主题 */
  --bg-base:        #f4f6fa;
  --bg-surface:     #ffffff;
  --bg-surface-2:   #f0f3f9;
  --bg-card:        #ffffff;
  --border:         rgba(0, 0, 0, 0.08);
  --border-strong:  rgba(0, 0, 0, 0.14);
  --text-primary:   #0f172a;
  --text-secondary: #64748b;
  --text-muted:     #94a3b8;
  --shadow-sm:      0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.05);
  --shadow-md:      0 4px 16px rgba(0,0,0,.08), 0 2px 6px rgba(0,0,0,.05);
  --shadow-lg:      0 12px 40px rgba(0,0,0,.1), 0 4px 12px rgba(0,0,0,.06);
  --accent:         #6366f1;
  --accent-hover:   #4f46e5;
  --up-color:       #22c55e;
  --up-bg:          #dcfce7;
  --up-border:      #86efac;
  --down-color:     #ef4444;
  --down-bg:        #fee2e2;
  --down-border:    #fca5a5;
  --unk-color:      #94a3b8;
  --unk-bg:         #f1f5f9;
  --unk-border:     #cbd5e1;
  --maint-color:    #f59e0b;
  --maint-bg:       #fef3c7;
  --maint-border:   #fcd34d;
  --bar-w:          6px;
  --bar-gap:        2px;
  --radius-sm:      6px;
  --radius-md:      10px;
  --radius-lg:      16px;
  --radius-xl:      20px;
  --header-h:       68px;
}

[data-theme="dark"] {
  --bg-base:        #0a0e1a;
  --bg-surface:     #111827;
  --bg-surface-2:   #1a2235;
  --bg-card:        #141d2f;
  --border:         rgba(255,255,255,0.07);
  --border-strong:  rgba(255,255,255,0.12);
  --text-primary:   #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted:     #475569;
  --shadow-sm:      0 1px 3px rgba(0,0,0,.3), 0 1px 2px rgba(0,0,0,.2);
  --shadow-md:      0 4px 16px rgba(0,0,0,.35), 0 2px 6px rgba(0,0,0,.2);
  --shadow-lg:      0 12px 40px rgba(0,0,0,.5), 0 4px 12px rgba(0,0,0,.3);
  --up-bg:          rgba(34,197,94,.12);
  --up-border:      rgba(34,197,94,.25);
  --down-bg:        rgba(239,68,68,.12);
  --down-border:    rgba(239,68,68,.25);
  --unk-bg:         rgba(148,163,184,.08);
  --unk-border:     rgba(148,163,184,.15);
  --maint-bg:       rgba(245,158,11,.1);
  --maint-border:   rgba(245,158,11,.25);
}

/* ── 基础重置 ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 14px;
  line-height: 1.6;
  background: var(--bg-base);
  color: var(--text-primary);
  min-height: 100vh;
  transition: background .3s, color .3s;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

/* ── 页面整体布局 ── */
.page-wrap {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ── Header ── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--shadow-sm);
}

.header-inner {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 20px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-area {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(99,102,241,.4);
  flex-shrink: 0;
}

.logo-icon svg { width: 20px; height: 20px; stroke: #fff; }

.logo-texts { display: flex; flex-direction: column; gap: 1px; }
.logo-name { font-size: 15px; font-weight: 700; letter-spacing: -.3px; }
.logo-powered { font-size: 10px; color: var(--text-muted); letter-spacing: .3px; }

.header-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* 刷新倒计时 */
.refresh-info {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  background: var(--bg-surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 12px;
  color: var(--text-secondary);
  font-variant-numeric: tabular-nums;
}

.refresh-info svg { width: 13px; height: 13px; flex-shrink: 0; }

.refresh-bar-wrap {
  width: 44px;
  height: 3px;
  background: var(--border-strong);
  border-radius: 99px;
  overflow: hidden;
}

.refresh-bar {
  height: 100%;
  width: 100%;
  background: linear-gradient(90deg, #6366f1, #8b5cf6);
  border-radius: 99px;
  transform-origin: left;
  transition: transform .5s linear;
}

/* API 按钮 */
.api-btn {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 6px 10px;
  background: var(--bg-surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 12px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all .2s;
}
.api-btn:hover { border-color: var(--accent); color: var(--accent); }
.api-btn svg { width: 13px; height: 13px; }

/* 主题切换按钮 */
.theme-btn {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--bg-surface-2);
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .2s;
}
.theme-btn:hover { border-color: var(--accent); color: var(--accent); }
.theme-btn svg { width: 16px; height: 16px; }

[data-theme="dark"] #icon-sun { display: none; }
[data-theme="light"] #icon-moon { display: none; }

/* ── 主内容区 ── */
.main-content {
  flex: 1;
  max-width: 900px;
  width: 100%;
  margin: 0 auto;
  padding: 24px 20px 48px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* ── 维护公告横幅 ── */
.maintenance-banner {
  border-radius: var(--radius-lg);
  border: 1px solid var(--maint-border);
  background: var(--maint-bg);
  color: var(--maint-color);
  padding: 12px 16px;
  font-size: 13px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.maintenance-banner.hidden { display: none; }

.maint-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}
.maint-icon { font-size: 16px; flex-shrink: 0; }
.maint-title { font-weight: 600; }
.maint-time { font-size: 12px; opacity: .8; }

/* ── 全局健康横幅 ── */
.global-banner {
  border-radius: var(--radius-lg);
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 15px;
  font-weight: 600;
  transition: all .3s;
}

.banner-left { display: flex; align-items: center; gap: 10px; }

.banner-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}

.banner-stats {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 500;
}

.stat-item { padding: 3px 8px; border-radius: 99px; font-variant-numeric: tabular-nums; }
.stat-up   { background: var(--up-bg); color: var(--up-color); }
.stat-down { background: var(--down-bg); color: var(--down-color); }

.banner-ok {
  background: var(--up-bg);
  border: 1px solid var(--up-border);
  color: var(--up-color);
}
.banner-ok .banner-dot {
  background: var(--up-color);
  box-shadow: 0 0 0 3px var(--up-bg), 0 0 8px var(--up-color);
  animation: pulse-up 2s infinite;
}

.banner-bad {
  background: var(--down-bg);
  border: 1px solid var(--down-border);
  color: var(--down-color);
}
.banner-bad .banner-dot {
  background: var(--down-color);
  box-shadow: 0 0 0 3px var(--down-bg);
  animation: pulse-down 1.2s infinite;
}

.banner-pending {
  background: var(--unk-bg);
  border: 1px solid var(--unk-border);
  color: var(--text-secondary);
}
.banner-pending .banner-dot {
  background: var(--unk-color);
  animation: spin 1.2s linear infinite;
  border-radius: 0;
  width: 10px; height: 10px;
  background: none;
  border: 2px solid var(--text-muted);
  border-top-color: transparent;
}

@keyframes pulse-up {
  0%, 100% { box-shadow: 0 0 0 0 rgba(34,197,94,.4); }
  50%       { box-shadow: 0 0 0 6px rgba(34,197,94,0); }
}
@keyframes pulse-down {
  0%, 100% { box-shadow: 0 0 0 0 rgba(239,68,68,.4); }
  50%       { box-shadow: 0 0 0 6px rgba(239,68,68,0); }
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ── 搜索栏 ── */
.search-bar-wrap {
  position: relative;
  display: flex;
  align-items: center;
}
.search-icon {
  position: absolute;
  left: 12px;
  width: 14px;
  height: 14px;
  color: var(--text-muted);
  pointer-events: none;
}
.search-input {
  width: 100%;
  height: 38px;
  padding: 0 12px 0 36px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 13px;
  outline: none;
  transition: border-color .2s, box-shadow .2s;
}
.search-input::placeholder { color: var(--text-muted); }
.search-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(99,102,241,.12);
}

/* ── 骨架屏 ── */
.skeleton-group { margin-bottom: 16px; }
.skeleton-title {
  height: 18px;
  width: 120px;
  background: var(--border-strong);
  border-radius: var(--radius-sm);
  margin-bottom: 10px;
  animation: shimmer 1.5s infinite;
}
.skeleton-card {
  height: 88px;
  background: var(--border-strong);
  border-radius: var(--radius-lg);
  margin-bottom: 8px;
  animation: shimmer 1.5s infinite;
}
.skeleton-card:last-child { margin-bottom: 0; }
@keyframes shimmer {
  0%, 100% { opacity: .5; }
  50%       { opacity: .9; }
}

/* ── 监控列表 ── */
.monitor-list { display: flex; flex-direction: column; gap: 4px; }
.monitor-list.hidden { display: none; }

.group-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 16px 0 8px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .8px;
  text-transform: uppercase;
  color: var(--text-muted);
}
.group-header:first-child { margin-top: 0; }

.group-line {
  flex: 1;
  height: 1px;
  background: var(--border);
}

.grouped-monitors { display: flex; flex-direction: column; gap: 8px; }

/* ── 监控卡片 ── */
.monitor-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 14px 16px;
  transition: all .25s;
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}

.monitor-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  border-radius: 3px 0 0 3px;
  background: var(--unk-color);
  transition: background .3s;
}
.monitor-card.state-up::before    { background: var(--up-color); }
.monitor-card.state-down::before  { background: var(--down-color); }
.monitor-card.state-maint::before { background: var(--maint-color); }

.monitor-card:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

/* 卡片顶行 */
.card-row-top {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.led {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
  transition: background .3s, box-shadow .3s;
}
.led.up   { background: var(--up-color);   box-shadow: 0 0 8px var(--up-color); animation: pulse-up 2.5s infinite; }
.led.down { background: var(--down-color); box-shadow: 0 0 6px rgba(239,68,68,.6); animation: pulse-down 1.5s infinite; }
.led.unk  { background: var(--unk-color); }
.led.maint { background: var(--maint-color); }

.card-info { flex: 1; min-width: 0; }

.card-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.card-name a:hover { color: var(--accent); }

.card-meta-sub {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 2px;
  flex-wrap: wrap;
}

.duration-tag {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  color: var(--text-muted);
}
.duration-tag svg { width: 11px; height: 11px; }

.type-badge {
  font-size: 10px;
  font-family: 'JetBrains Mono', monospace;
  padding: 1px 5px;
  border-radius: 3px;
  background: var(--bg-surface-2);
  border: 1px solid var(--border);
  color: var(--text-muted);
  letter-spacing: .5px;
  text-transform: uppercase;
}

/* 右侧元信息 */
.card-meta-right {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.keep-alive-tag {
  font-size: 10px;
  padding: 2px 6px;
  border-radius: 99px;
  background: rgba(99,102,241,.12);
  border: 1px solid rgba(99,102,241,.25);
  color: #818cf8;
  font-weight: 500;
}

.uptime-pill {
  font-size: 11px;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: 99px;
  font-variant-numeric: tabular-nums;
}
.uptime-pill.high   { background: var(--up-bg);   color: var(--up-color);   border: 1px solid var(--up-border); }
.uptime-pill.medium { background: var(--maint-bg); color: var(--maint-color); border: 1px solid var(--maint-border); }
.uptime-pill.low    { background: var(--down-bg);  color: var(--down-color);  border: 1px solid var(--down-border); }

.latency-tag {
  font-size: 11px;
  color: var(--text-secondary);
  font-family: 'JetBrains Mono', monospace;
  font-variant-numeric: tabular-nums;
  padding: 2px 6px;
  border-radius: 4px;
  background: var(--bg-surface-2);
}

.status-tag {
  font-size: 11px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 99px;
  letter-spacing: .3px;
}
.status-tag.up    { background: var(--up-bg);    color: var(--up-color);    border: 1px solid var(--up-border); }
.status-tag.down  { background: var(--down-bg);  color: var(--down-color);  border: 1px solid var(--down-border); }
.status-tag.unknown { background: var(--unk-bg); color: var(--unk-color);   border: 1px solid var(--unk-border); }
.status-tag.maintenance { background: var(--maint-bg); color: var(--maint-color); border: 1px solid var(--maint-border); }

/* 卡片底行：历史条 + Sparkline */
.card-row-bottom {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

/* Sparkline 折线图 */
.sparkline-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 2px;
}
.sparkline-label { font-size: 10px; color: var(--text-muted); white-space: nowrap; }
.sparkline-svg { flex: 1; height: 28px; overflow: visible; }

/* 历史条形图 */
.bars-wrap {
  display: flex;
  align-items: flex-end;
  gap: var(--bar-gap);
  height: 28px;
  padding: 0 2px;
}

.bar-stick {
  flex: 1;
  min-width: 2px;
  border-radius: 2px;
  transition: height .15s, opacity .15s;
  cursor: pointer;
  position: relative;
}
.bar-stick.up    { background: var(--up-color);   height: 100%; opacity: .7; }
.bar-stick.down  { background: var(--down-color); height: 100%; opacity: .85; }
.bar-stick.unk   { background: var(--unk-color);  height: 40%; opacity: .4; }
.bar-stick.maint { background: var(--maint-color); height: 60%; opacity: .6; }
.bar-stick:hover { opacity: 1; height: 100% !important; }

/* Tooltip（纯 CSS title 降级，真实 tooltip 靠 JS） */
.bar-stick[data-tip]:hover::after {
  content: attr(data-tip);
  position: absolute;
  bottom: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--text-primary);
  color: var(--bg-surface);
  font-size: 10px;
  white-space: nowrap;
  padding: 3px 6px;
  border-radius: var(--radius-sm);
  pointer-events: none;
  z-index: 10;
}

/* 时间轴 */
.time-axis {
  display: flex;
  justify-content: space-between;
  font-size: 10px;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
  padding: 0 2px;
}

/* 多维可用率行 */
.uptime-stats-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  padding-top: 6px;
  border-top: 1px solid var(--border);
  margin-top: 2px;
}

.uptime-stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1px;
}
.uptime-stat-label { font-size: 10px; color: var(--text-muted); }
.uptime-stat-value {
  font-size: 12px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}
.uptime-stat-value.high   { color: var(--up-color); }
.uptime-stat-value.medium { color: var(--maint-color); }
.uptime-stat-value.low    { color: var(--down-color); }

/* ── 事件记录 ── */
.incidents-section {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  overflow: hidden;
}
.incidents-section.hidden { display: none; }

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
}

.section-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}
.section-title svg { width: 16px; height: 16px; }

.incident-count-badge {
  font-size: 11px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 99px;
  background: var(--down-bg);
  color: var(--down-color);
  border: 1px solid var(--down-border);
}

.incidents-list { padding: 8px 0; }

.incident-item {
  display: grid;
  grid-template-columns: 80px 16px 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 10px 18px;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  transition: background .15s;
}
.incident-item:last-child { border-bottom: none; }
.incident-item:hover { background: var(--bg-surface-2); }

.incident-time { font-size: 11px; color: var(--text-muted); font-variant-numeric: tabular-nums; }

.incident-point {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.incident-point.up   { background: var(--up-color); }
.incident-point.down { background: var(--down-color); }

.incident-desc { color: var(--text-secondary); }
.incident-site { font-weight: 600; color: var(--text-primary); }
.incident-status { font-weight: 600; }
.incident-status.up   { color: var(--up-color); }
.incident-status.down { color: var(--down-color); }

.incident-latency {
  font-size: 11px;
  color: var(--text-muted);
  font-family: 'JetBrains Mono', monospace;
  font-variant-numeric: tabular-nums;
}

/* ── Footer ── */
.site-footer {
  text-align: center;
  padding: 20px;
  font-size: 12px;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.footer-sep { opacity: .4; }
.site-footer a { color: var(--text-muted); transition: color .15s; }
.site-footer a:hover { color: var(--accent); }

/* ── Error 卡片 ── */
.error-card {
  padding: 24px;
  background: var(--down-bg);
  border: 1px solid var(--down-border);
  border-radius: var(--radius-lg);
  color: var(--down-color);
  font-size: 14px;
  text-align: center;
}

/* ── 响应式 ── */
@media (max-width: 600px) {
  :root { --bar-w: 4px; --bar-gap: 1px; }

  .header-inner { padding: 0 14px; }
  .logo-powered { display: none; }
  .api-btn span { display: none; }
  .main-content { padding: 16px 14px 40px; }

  .card-row-top { flex-wrap: wrap; }
  .card-meta-right { flex-wrap: wrap; }

  .incident-item {
    grid-template-columns: 68px 12px 1fr auto;
    gap: 8px;
    padding: 8px 14px;
  }

  .uptime-stats-row { gap: 10px; }
}

@media (max-width: 400px) {
  .refresh-info { display: none; }
}