:root {
  --bg: #fbf2d0;
  --ink: #141214;
  --muted: rgba(20, 18, 20, .72);
  --border: rgba(20, 18, 20, .14);
  --card: rgba(255, 255, 255, .62);
  --accent: #b23a3a;
  --link: #9b3a2d;
  --shadow: 0 18px 50px rgba(0, 0, 0, .10);
  --shadow-soft: 0 12px 38px rgba(0, 0, 0, .08);
  --radius: 16px;
}

* { box-sizing: border-box; }

html, body {
  min-height: 100%;
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}

body {
  color: var(--ink);
  background: var(--bg);
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, "Helvetica Neue", Arial, "Noto Sans", "Liberation Sans", sans-serif;
}

#bg-layer {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: -10;
  background-image: url("/webAssets/bg-gradient.svg");
  background-size: cover;
  background-position: center;
  opacity: .28;
  filter: saturate(1.05) contrast(1.03);
}

main {
  max-width: 1300px;
  margin: 0 auto;
  padding: 28px 18px 28px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  gap: 14px;
  width: fit-content;
  padding: 12px 0;
}

.site-logo {
  display: block;
  height: 48px;
  width: auto;
}

.site-title {
  margin: 0;
  padding-left: 14px;
  border-left: 1px solid var(--border);
  text-transform: uppercase;
  letter-spacing: .14em;
  font-size: 11px;
  line-height: 1.05;
  color: var(--muted);
  user-select: none;
}
.site-title span { display: block; }

p {
  color: var(--muted);
  font-size: 16px;
}

a {
  color: var(--link);
  text-decoration: underline;
  text-underline-offset: 3px;
}

input[type="text"] {
  width: 100%;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  color: var(--ink);
  outline: none;
  box-shadow: 0 10px 30px rgba(0, 0, 0, .06);
}
input[type="text"]:focus {
  border-color: rgba(178, 58, 58, .45);
  box-shadow: 0 14px 40px rgba(178, 58, 58, .12);
}

#webring-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

#webring-chart {
  border-radius: 18px;
  overflow: hidden;
  background: rgba(255, 255, 255, .64);
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

footer {
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

@media (max-width: 639px) {
  .site-header { display: none; }
}

@media (min-width: 640px) {
  html, body {
    height: 100%;
    overflow: hidden;
  }

  main {
    height: 100%;
    display: grid;
    grid-template-rows: auto minmax(0, 1fr);
    grid-template-columns: minmax(0, 1fr) minmax(380px, 520px);
    gap: 0 28px;
    align-items: start;
    padding-bottom: 0;
  }

  .site-header {
    grid-row: 1;
    grid-column: 1 / -1;
    position: relative;
    margin-bottom: 20px;
  }

  #left-col {
    grid-row: 2;
    grid-column: 1;

    overflow-y: auto;
    height: 100%;

    width: auto !important;
    min-width: 0;
    padding-right: 14px;
    padding-bottom: 40px;
  }

  #right-col {
    grid-row: 2;
    grid-column: 2;

    display: flex !important;
    flex-direction: column;
    gap: 10px;

    position: relative !important;
    top: auto !important;
    right: auto !important;
    bottom: auto !important;

    width: auto !important;
    min-width: 0;
    padding: 0 !important;
    margin-bottom: 28px;
  }

  #chart-container {
    height: min(32rem, calc(100vh - 190px)) !important;
  }

  #left-col::-webkit-scrollbar {
    width: 6px;
  }
  #left-col::-webkit-scrollbar-track {
    background: transparent;
  }
  #left-col::-webkit-scrollbar-thumb {
    background-color: var(--border);
    border-radius: 10px;
  }
  #left-col::-webkit-scrollbar-thumb:hover {
    background-color: var(--muted);
  }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; scroll-behavior: auto !important; }
}

@media (max-width: 1024px) {
  .hide-on-small {
    display: none;
  }
}