frontend/src/style.css

@import url("https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@400;500;600;700&family=Noto+Serif+SC:wght@600;700&display=swap");

@tailwind base;
@tailwind components;
@tailwind utilities;

@layer base {
  :root {
    --background: 0 0% 97%;
    --foreground: 0 0% 10%;

    --card: 0 0% 100%;
    --card-foreground: 0 0% 10%;

    --primary: 0 0% 10%;
    --primary-foreground: 0 0% 100%;

    --secondary: 0 0% 92%;
    --secondary-foreground: 0 0% 10%;

    --muted: 0 0% 92%;
    --muted-foreground: 0 0% 40%;

    --accent: 0 0% 90%;
    --accent-foreground: 0 0% 10%;

    --destructive: 0 70% 45%;
    --destructive-foreground: 0 0% 100%;

    --border: 0 0% 86%;
    --input: 0 0% 86%;
    --ring: 0 0% 10%;

    --radius: 1rem;
  }
}

@layer base {
  * {
    @apply border-border;
  }
  body {
    @apply bg-background text-foreground;
    font-family: "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
    background-image:
      radial-gradient(900px circle at 10% -20%, rgba(0, 0, 0, 0.04), transparent 45%),
      radial-gradient(700px circle at 90% 0%, rgba(0, 0, 0, 0.05), transparent 40%),
      linear-gradient(180deg, hsl(var(--background)) 0%, hsl(var(--background)) 100%);
  }

  body::before {
    content: "";
    position: fixed;
    inset: 0;
    background-image: linear-gradient(120deg, rgba(255, 255, 255, 0.55), rgba(255, 255, 255, 0));
    opacity: 0.5;
    pointer-events: none;
    z-index: -1;
  }

  h1,
  h2,
  h3 {
    font-family: "Noto Serif SC", "Georgia", serif;
    letter-spacing: -0.01em;
  }

  #app {
    min-height: 100vh;
  }
}

html {
  scrollbar-gutter: stable;
}

* {
  scrollbar-width: thin;
  scrollbar-color: rgba(0, 0, 0, 0.35) transparent;
}

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background-color: rgba(0, 0, 0, 0.35);
  border-radius: 999px;
  border: 2px solid transparent;
  background-clip: content-box;
}

.scrollbar-slim::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

.scrollbar-slim::-webkit-scrollbar-thumb {
  background-color: rgba(0, 0, 0, 0.4);
}

.cv-auto {
  content-visibility: auto;
  contain-intrinsic-size: 0 44px;
}

.monitor-badge--up {
  background: #d1fae5;
  color: #065f46;
}

.monitor-badge--warn {
  background: #fef3c7;
  color: #b45309;
}

.monitor-badge--down {
  background: #fee2e2;
  color: #991b1b;
}

.monitor-badge--unknown {
  background: #f3f4f6;
  color: #6b7280;
}

.monitor-card {
  border-radius: 16px;
  padding: 0;
  background: hsl(var(--card));
  box-shadow: none;
}

.monitor-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.monitor-card__name {
  font-size: 14px;
  font-weight: 600;
  color: hsl(var(--foreground));
}

.monitor-card__badge {
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
}

.monitor-card__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 12px;
  color: hsl(var(--muted-foreground));
  margin-bottom: 12px;
}

.monitor-card__value {
  margin-left: 4px;
  color: hsl(var(--foreground));
  font-weight: 600;
}

.monitor-card__beats {
  display: flex;
  gap: 2px;
  height: 24px;
  align-items: flex-end;
}

.monitor-beat {
  flex: 1;
  min-width: 4px;
  max-width: 8px;
  border-radius: 2px;
  transition: all 0.2s;
  position: relative;
}

.monitor-beat:hover {
  opacity: 0.8;
  transform: scaleY(1.1);
}

.monitor-beat--up {
  background: #34c759;
  height: 100%;
}

.monitor-beat--warn {
  background: #f5c15b;
  height: 100%;
}

.monitor-beat--slow {
  background: #f5c15b;
  height: 100%;
}

.monitor-beat--down {
  background: #ff3b30;
  height: 100%;
}

.monitor-beat--empty {
  background: #e5e5ea;
  height: 40%;
}

.monitor-beat__tooltip {
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: #1d1d1f;
  color: #fff;
  padding: 6px 10px;
  border-radius: 6px;
  font-size: 11px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s;
  margin-bottom: 6px;
  z-index: 10;
}

.monitor-beat__tooltip::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 5px solid transparent;
  border-top-color: #1d1d1f;
}

.monitor-beat:hover .monitor-beat__tooltip {
  opacity: 1;
}

.help-dot {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  border-radius: 999px;
  border: 1px solid hsl(var(--border));
  font-size: 10px;
  line-height: 1;
  color: hsl(var(--muted-foreground));
  cursor: default;
}

@media (max-width: 768px) {
  .monitor-beat {
    min-width: 3px;
    max-width: 6px;
  }
}

@media (min-width: 1024px) {
  .dashboard-split {
    flex-direction: row;
    flex-wrap: nowrap;
  }

  .dashboard-split .dashboard-main {
    flex: 0 0 66.6667%;
    max-width: 66.6667%;
  }

  .dashboard-split .dashboard-side {
    flex: 0 0 33.3333%;
    max-width: 33.3333%;
  }
}

@keyframes logo-float {
  0% {
    transform: translateY(0);
  }
  25% {
    transform: translateY(6px);
  }
  50% {
    transform: translateY(0);
  }
  75% {
    transform: translateY(-6px);
  }
  100% {
    transform: translateY(0);
  }
}

@keyframes logo-blink {
  0%,
  45%,
  55%,
  100% {
    transform: scaleY(1);
    opacity: 1;
  }
  50% {
    transform: scaleY(0.1);
    opacity: 0.6;
  }
}

.logo-mark .logo-cat-wrapper {
  animation: logo-float 4s ease-in-out infinite;
  transform-origin: center;
}

.logo-mark {
  transform: translateY(2px);
}

.logo-mark .logo-eye {
  fill: #00bcd4;
  filter: drop-shadow(0 0 2px #00bcd4);
  animation: logo-blink 5s infinite;
  transform-box: fill-box;
  transform-origin: center;
}