/* Material Design 3 dark theme — seed #006A60 (与监控面板统一) */
@import url('https://fonts.googleapis.com/css2?family=Material+Symbols+Rounded:opsz,wght,FILL,GRAD@20..48,100..700,0..1,-50..200&display=swap');

:root {
  --md-background: #101414;
  --md-surface: #161C1B;
  --md-surface-container: #1A211F;
  --md-surface-container-high: #202826;
  --md-surface-container-highest: #2A3230;
  --md-on-surface: #E0E3E0;
  --md-on-surface-variant: #BFC9C5;
  --md-outline: #8A938F;
  --md-outline-variant: #3F4946;
  --md-primary: #006A60;
  --md-primary-hover: #00796B;
  --md-on-primary: #FFFFFF;
  --md-secondary: #7D4698;
  --md-success: #66BB6A;
  --md-success-container: rgba(102, 187, 106, 0.14);
  --md-warning: #FFB020;
  --md-warning-container: rgba(255, 176, 32, 0.14);
  --md-error: #FF5D5D;
  --md-error-container: rgba(255, 93, 93, 0.14);
  --md-info: #4DA3FF;

  --radius-xl: 16px;
  --radius-lg: 12px;
  --radius-md: 10px;
  --radius-sm: 8px;
  --radius-full: 999px;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3), 0 1px 3px 1px rgba(0, 0, 0, 0.15);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.35), 0 2px 6px 2px rgba(0, 0, 0, 0.18);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC',
    'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  background: var(--md-background);
  color: var(--md-on-surface);
  min-height: 100vh;
  line-height: 1.5;
}

/* 顶栏 */
.topbar {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 20px;
  background: color-mix(in srgb, var(--md-background) 85%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--md-outline-variant);
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-icon {
  font-size: 32px; color: var(--md-primary);
  background: var(--md-primary-hover); color: var(--md-on-primary);
  padding: 8px; border-radius: var(--radius-lg);
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, #00897B, #006A60);
}
.brand-text h1 { font-size: 20px; font-weight: 600; letter-spacing: 0.2px; }
.brand-sub { font-size: 12px; color: var(--md-on-surface-variant); }
.topbar-actions { display: flex; align-items: center; gap: 12px; }
.clock { font-family: 'Roboto Mono', monospace; font-size: 13px; color: var(--md-on-surface-variant); }
.icon-btn {
  background: var(--md-surface-container); border: 1px solid var(--md-outline-variant);
  color: var(--md-on-surface); width: 38px; height: 38px; border-radius: var(--radius-full);
  display: flex; align-items: center; justify-content: center; cursor: pointer;
  transition: background 0.2s, transform 0.2s;
}
.icon-btn:hover { background: var(--md-surface-container-high); }
.icon-btn:active { transform: rotate(180deg); }
.icon-btn.spinning .material-symbols-rounded { animation: spin 0.8s ease; }
@keyframes spin { to { transform: rotate(360deg); } }

/* 区块 */
main { max-width: 860px; margin: 0 auto; padding: 20px 16px 40px; }
.section { margin-bottom: 28px; }
.section-title {
  display: flex; align-items: center; gap: 8px;
  font-size: 16px; font-weight: 600; color: var(--md-on-surface);
  margin-bottom: 14px;
}
.section-title .material-symbols-rounded { color: var(--md-primary); font-size: 20px; }
.status-badge {
  margin-left: auto; font-size: 12px; font-weight: 500;
  padding: 3px 10px; border-radius: var(--radius-full);
  background: var(--md-surface-container); color: var(--md-on-surface-variant);
}
.status-badge.ok { background: var(--md-success-container); color: var(--md-success); }
.status-badge.warn { background: var(--md-error-container); color: var(--md-error); }

/* 服务卡片网格 */
.service-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 14px;
}
.service-card {
  display: flex; align-items: center; gap: 14px;
  background: var(--md-surface);
  border: 1px solid var(--md-outline-variant);
  border-radius: var(--radius-lg);
  padding: 16px;
  text-decoration: none; color: var(--md-on-surface);
  transition: transform 0.18s var(--ease), border-color 0.18s, box-shadow 0.18s;
  box-shadow: var(--shadow-sm);
}
.service-card:hover {
  transform: translateY(-2px);
  border-color: var(--md-primary-hover);
  box-shadow: var(--shadow-md);
}
.service-icon {
  width: 44px; height: 44px; flex-shrink: 0;
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 24px; color: var(--md-primary);
  background: var(--md-primary-hover); color: var(--md-on-primary);
}
.service-info { min-width: 0; flex: 1; }
.service-name { font-size: 15px; font-weight: 600; display: flex; align-items: center; gap: 8px; }
.service-domain { font-size: 12px; color: var(--md-on-surface-variant); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.service-desc { font-size: 12px; color: var(--md-on-surface-variant); margin-top: 2px; }
.status-dot {
  width: 9px; height: 9px; border-radius: var(--radius-full); flex-shrink: 0;
  background: var(--md-outline);
}
.status-dot.up { background: var(--md-success); box-shadow: 0 0 6px var(--md-success); }
.status-dot.down { background: var(--md-error); box-shadow: 0 0 6px var(--md-error); }
.status-dot.unknown { background: var(--md-outline); }

/* 站点状态列表 */
.site-list { display: flex; flex-direction: column; gap: 10px; }
.site-item {
  display: flex; align-items: center; gap: 12px;
  background: var(--md-surface);
  border: 1px solid var(--md-outline-variant);
  border-radius: var(--radius-lg);
  padding: 12px 16px;
}
.site-item .site-info { flex: 1; min-width: 0; }
.site-item .site-name { font-size: 14px; font-weight: 600; }
.site-item .site-url { font-size: 12px; color: var(--md-on-surface-variant); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.site-meta { display: flex; align-items: center; gap: 10px; font-size: 12px; color: var(--md-on-surface-variant); flex-shrink: 0; }
.site-meta .latency { font-family: 'Roboto Mono', monospace; }
.cert-pill {
  font-size: 11px; padding: 2px 8px; border-radius: var(--radius-full);
  background: var(--md-success-container); color: var(--md-success);
}
.cert-pill.warn { background: var(--md-warning-container); color: var(--md-warning); }
.cert-pill.na { background: var(--md-surface-container); color: var(--md-on-surface-variant); }

/* 加载骨架 */
.skeleton {
  background: var(--md-surface-container);
  border-radius: var(--radius-lg);
  height: 56px; position: relative; overflow: hidden;
}
.skeleton::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.05), transparent);
  animation: shimmer 1.4s infinite;
}
@keyframes shimmer { from { transform: translateX(-100%); } to { transform: translateX(100%); } }

/* 底部 */
footer {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px;
  padding: 16px 20px 24px;
  font-size: 12px; color: var(--md-on-surface-variant);
  border-top: 1px solid var(--md-outline-variant);
}
footer a { color: var(--md-primary-hover); text-decoration: none; }

@media (max-width: 480px) {
  .service-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .service-card { flex-direction: column; align-items: flex-start; gap: 10px; }
  .clock { display: none; }
}

/* ========== 密码登录层 ========== */
.hidden { display: none !important; }
.login-overlay {
  position: fixed; inset: 0; z-index: 100;
  display: flex; align-items: center; justify-content: center;
  background: var(--md-background);
  padding: 20px;
}
.login-card {
  width: 100%; max-width: 340px;
  background: var(--md-surface);
  border: 1px solid var(--md-outline-variant);
  border-radius: var(--radius-xl);
  padding: 36px 28px;
  box-shadow: var(--shadow-md);
  text-align: center;
}
.login-logo {
  width: 56px; height: 56px; margin: 0 auto 16px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, #00897B, #006A60);
  color: var(--md-on-primary);
  font-size: 30px;
  display: flex; align-items: center; justify-content: center;
}
.login-title { font-size: 22px; font-weight: 600; margin-bottom: 4px; }
.login-sub { font-size: 13px; color: var(--md-on-surface-variant); margin-bottom: 24px; }
.login-input {
  width: 100%; padding: 12px 16px;
  background: var(--md-surface-container);
  border: 1px solid var(--md-outline-variant);
  border-radius: var(--radius-md);
  color: var(--md-on-surface);
  font-size: 15px;
  outline: none;
  transition: border-color 0.2s;
}
.login-input:focus { border-color: var(--md-primary-hover); }
.login-input::placeholder { color: var(--md-on-surface-variant); }
.login-btn {
  width: 100%; margin-top: 14px; padding: 12px;
  background: linear-gradient(135deg, #00897B, #006A60);
  color: var(--md-on-primary);
  border: none; border-radius: var(--radius-md);
  font-size: 15px; font-weight: 600;
  cursor: pointer;
  transition: filter 0.2s;
}
.login-btn:hover { filter: brightness(1.1); }
.login-btn:active { transform: scale(0.98); }
.login-error { min-height: 20px; margin-top: 12px; font-size: 13px; color: var(--md-error); }

/* ========== Kuma 风格站点状态 ========== */
.site-item {
  flex-direction: column; align-items: stretch;
  padding: 14px 16px;
  gap: 10px;
}
.site-head { display: flex; align-items: center; gap: 12px; }
.site-uptime { display: flex; gap: 6px; flex-shrink: 0; }
.uptime-pill {
  font-size: 11px; font-weight: 600; padding: 2px 8px;
  border-radius: var(--radius-full);
  background: var(--md-success-container); color: var(--md-success);
}
.uptime-pill.bad { background: var(--md-error-container); color: var(--md-error); }
.uptime-pill.sub { background: var(--md-surface-container-high); color: var(--md-on-surface-variant); }
.site-foot {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  font-size: 12px; color: var(--md-on-surface-variant);
}
.down-count { font-size: 12px; color: var(--md-warning); margin-left: auto; }
.down-count.ok { color: var(--md-success); }

/* 24h 格子图 (48 格, 每格 30 分钟; 桌面一行, 手机两行) */
.kuma-grid {
  display: grid;
  grid-template-columns: repeat(48, minmax(0, 1fr));
  gap: 3px;
  padding: 2px 0;
}
.kuma-cell {
  aspect-ratio: 1.6;
  border-radius: 3px;
  background: var(--md-surface-container);
  min-width: 0;
}
.kuma-cell.ok { background: var(--md-success); }
.kuma-cell.partial { background: var(--md-warning); }
.kuma-cell.down { background: var(--md-error); }
.kuma-cell.na { background: var(--md-surface-container); }
.kuma-grid.empty { display: block; font-size: 12px; color: var(--md-on-surface-variant); padding: 6px 0; }

/* 宕机事件 */
.event-list { display: flex; flex-direction: column; gap: 8px; }
.event-item {
  display: flex; align-items: center; gap: 12px;
  background: var(--md-surface);
  border: 1px solid var(--md-outline-variant);
  border-radius: var(--radius-lg);
  padding: 10px 14px;
}
.event-item.none { color: var(--md-success); font-size: 13px; }
.event-icon { color: var(--md-error); font-size: 20px; }
.event-info { flex: 1; min-width: 0; }
.event-name { font-size: 13px; font-weight: 600; }
.event-time { font-size: 12px; color: var(--md-on-surface-variant); }
.event-duration {
  font-size: 12px; font-weight: 600; flex-shrink: 0;
  color: var(--md-warning);
}

@media (max-width: 480px) {
  .kuma-grid { gap: 2px; grid-template-columns: repeat(24, minmax(0, 1fr)); }
  .site-uptime { flex-direction: column; gap: 2px; align-items: flex-end; }
}