@font-face {
  font-display: swap;
  font-family: "Open Runde";
  font-style: normal;
  font-weight: 400;
  src: url("assets/fonts/OpenRunde-Regular.woff2") format("woff2");
}

@font-face {
  font-display: swap;
  font-family: "Open Runde";
  font-style: normal;
  font-weight: 500;
  src: url("assets/fonts/OpenRunde-Medium.woff2") format("woff2");
}

@font-face {
  font-display: swap;
  font-family: "Open Runde";
  font-style: normal;
  font-weight: 600;
  src: url("assets/fonts/OpenRunde-Semibold.woff2") format("woff2");
}

:root {
  color-scheme: dark;
  --theme-bg: oklch(14% 0.018 21);
  --theme-text: oklch(91% 0.012 21);
  --theme-muted: oklch(66% 0.018 21);
  --theme-border: oklch(28% 0.018 21);
  --theme-card-hover: oklch(70% 0.16 21);
  --theme-accent: oklch(70% 0.16 21);
  --theme-on-accent: #fff;
  --theme-on-accent-muted: rgba(255, 255, 255, 0.7);
  --theme-slider-fill: 100%;
}

* {
  box-sizing: border-box;
  overscroll-behavior-x: none;
}

html {
  scrollbar-width: none;
}

html::-webkit-scrollbar {
  display: none;
}

body {
  min-height: 100dvh;
  margin: 0;
  overflow-x: hidden;
  overflow-y: auto;
  touch-action: pan-y;
  background: var(--theme-bg);
  color: var(--theme-text);
  font-family: "Open Runde", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: -1px;
  -webkit-font-smoothing: antialiased;
  transition: background-color 260ms ease, color 220ms ease;
}

::selection {
  background: var(--theme-accent);
  color: #fff;
}

a,
button {
  color: inherit;
  -webkit-user-select: none;
  user-select: none;
}

a {
  text-decoration: none;
}

.page-shell {
  width: 100%;
  max-width: 896px;
  margin: 0 auto;
  padding: 100px 24px 96px;
  overflow-x: hidden;
}

.top-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.name {
  margin: 0;
  color: var(--theme-text);
  font-size: 24px;
  font-weight: 400;
  line-height: 1.2;
}

.theme-slider {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 28px;
  padding: 4px 0;
  cursor: grab;
  touch-action: none;
}

.theme-slider:active {
  cursor: grabbing;
}

.theme-slider button {
  position: relative;
  z-index: 5;
  width: 20px;
  height: 28px;
  border: 0;
  padding: 0;
  background: transparent;
  cursor: inherit;
}

.slider-track {
  position: absolute;
  left: 0;
  width: 80px;
  height: 8px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--theme-border);
  transition:
    height 170ms cubic-bezier(0.23, 1, 0.32, 1),
    transform 170ms cubic-bezier(0.23, 1, 0.32, 1),
    width 170ms cubic-bezier(0.23, 1, 0.32, 1);
}

.theme-slider:hover .slider-track,
.theme-slider.dragging .slider-track {
  height: 20px;
}

.slider-fill {
  position: absolute;
  left: 0;
  top: 0;
  display: block;
  width: var(--theme-slider-fill);
  height: 100%;
  border-radius: inherit;
  background: var(--theme-text);
  transition:
    width 300ms cubic-bezier(0.23, 1, 0.32, 1),
    background-color 150ms ease;
}

.theme-slider:hover .slider-fill,
.theme-slider.dragging .slider-fill {
  background: var(--theme-accent);
}

.slider-dot {
  position: absolute;
  top: 50%;
  width: 4px;
  height: 4px;
  border-radius: 999px;
  background: var(--theme-muted);
  opacity: 0;
  transform: translate(-50%, -50%) scale(0);
  transition: opacity 170ms ease, transform 170ms ease, background-color 170ms ease;
}

.theme-slider:hover .slider-dot,
.theme-slider.dragging .slider-dot {
  opacity: 0.5;
  transform: translate(-50%, -50%) scale(1);
}

.dot-1 {
  left: 25%;
}

.dot-2 {
  left: 50%;
}

.dot-3 {
  left: 75%;
}

.intro {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 16px;
  color: var(--theme-muted);
  max-width: 100%;
}

.intro p {
  margin: 0;
  max-width: 100%;
  overflow-wrap: break-word;
}

.intro a {
  color: var(--theme-text);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.intro a:hover {
  color: var(--theme-accent);
}

.fill-me {
  color: var(--theme-text);
}

.section {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 48px;
}

.section-title {
  padding-bottom: 8px;
  border-bottom: 1px solid var(--theme-border);
}

.section-title h2 {
  margin: 0;
  color: var(--theme-muted);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.5;
}

.item-list {
  display: flex;
  flex-direction: column;
}

.row {
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  padding: 4px 0;
  color: var(--theme-text);
  transition: transform 100ms ease;
}

.row::before {
  content: "";
  position: absolute;
  inset: -2px -8px;
  z-index: -1;
  border-radius: 8px;
  background: var(--theme-card-hover);
  opacity: 0;
}

.row:hover::before,
.row:focus-visible::before {
  opacity: 1;
}

.row:active {
  transform: scale(0.995);
}

.row:hover,
.row:focus-visible {
  color: var(--theme-on-accent);
  outline: none;
}

.row:hover .row-desc,
.row:hover .row-date,
.row:hover .row-sep,
.row:focus-visible .row-desc,
.row:focus-visible .row-date,
.row:focus-visible .row-sep {
  color: var(--theme-on-accent-muted);
}

.icon {
  display: inline-flex;
  width: 18px;
  height: 18px;
  flex: 0 0 18px;
  align-items: center;
  justify-content: center;
  color: currentColor;
}

.icon svg {
  display: block;
  width: 18px;
  height: 18px;
  overflow: visible;
}

.brand-icon img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.iitp-brand img {
  border-radius: 50%;
  background: #fff;
}

.aiisc-brand img {
  filter: grayscale(1) brightness(1.75);
}

html[data-theme="dawn"] .aiisc-brand img,
html[data-theme="morning"] .aiisc-brand img,
html[data-theme="noon"] .aiisc-brand img {
  filter: grayscale(1) brightness(0.55);
}

.doom-icon {
  transform: scale(1.08);
}

.gradient-icon {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 22px;
  font-weight: 600;
  line-height: 18px;
}

.ghost-icon svg {
  width: 18px;
  height: 14px;
}

.mask-icon {
  background: currentColor;
  mask: var(--mask-url) center / contain no-repeat;
  -webkit-mask: var(--mask-url) center / contain no-repeat;
}

.ring-icon {
  border: 2px solid currentColor;
  border-radius: 999px;
}

.cloud-icon {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: -0.8px;
}

.pixel-flame {
  position: relative;
  image-rendering: pixelated;
}

.pixel-flame::before {
  content: "";
  width: 18px;
  height: 18px;
  background: currentColor;
  clip-path: polygon(
    44% 0,
    67% 0,
    67% 11%,
    78% 11%,
    78% 33%,
    100% 33%,
    100% 67%,
    89% 67%,
    89% 89%,
    67% 89%,
    67% 100%,
    33% 100%,
    33% 89%,
    11% 89%,
    11% 67%,
    0 67%,
    0 33%,
    11% 33%,
    11% 11%,
    33% 11%,
    33% 0
  );
}

.row-label {
  min-width: 0;
  color: currentColor;
}

.row-sep,
.row-desc,
.row-date {
  color: var(--theme-muted);
}

.row-desc {
  min-width: 0;
  overflow: hidden;
  overflow-wrap: break-word;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.row-date {
  margin-left: auto;
  flex: 0 0 auto;
  font-size: 14px;
}

.writing-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 16px;
}

.writing-title {
  min-width: 0;
  overflow: hidden;
  color: currentColor;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.all-posts {
  color: var(--theme-muted);
}

.postcard-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin: 24px -8px 0;
}

.postcard {
  position: relative;
  min-width: 0;
  -webkit-user-select: none;
  user-select: none;
}

.postcard-shape {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.postcard-shape path {
  fill: var(--theme-border);
  stroke: var(--theme-text);
  stroke-opacity: 0.04;
  stroke-width: 2;
}

.postcard-inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px;
}

.postcard img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  image-rendering: pixelated;
}

.postcard p {
  margin: 0;
  color: var(--theme-text);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.35;
}

.butterfly-garden {
  position: fixed;
  inset: 0;
  z-index: 90;
  overflow: hidden;
  pointer-events: none;
}

.butterfly {
  --butterfly-size: 42px;
  --butterfly-sheet: url("assets/source/butterfly-yellow-flap.png");
  --butterfly-flap-duration: 620ms;
  position: absolute;
  top: 0;
  left: 0;
  width: var(--butterfly-size);
  height: var(--butterfly-size);
  opacity: 0;
  contain: layout paint style;
  transform-origin: 50% 55%;
  will-change: transform, opacity;
}

.butterfly-blue {
  --butterfly-size: 40px;
  --butterfly-sheet: url("assets/source/butterfly-blue-flap.png");
  --butterfly-flap-duration: 680ms;
}

.butterfly-coral {
  --butterfly-sheet: url("assets/source/butterfly-coral-flap.png");
  --butterfly-flap-duration: 650ms;
}

.butterfly-sprite {
  display: block;
  width: 100%;
  height: 100%;
  background-image: var(--butterfly-sheet);
  background-position: 0 0;
  background-repeat: no-repeat;
  background-size: 400% 100%;
  filter: drop-shadow(0 2px 2px rgb(0 0 0 / 0.18));
  animation: butterfly-wing-flap var(--butterfly-flap-duration) step-end infinite;
  will-change: background-position;
}

.butterfly[data-state="resting"] .butterfly-sprite {
  animation-duration: calc(var(--butterfly-flap-duration) * 3.8);
}

@keyframes butterfly-wing-flap {
  0% { background-position: 0 0; }
  25% { background-position: 33.3333% 0; }
  50% { background-position: 66.6667% 0; }
  75%, 100% { background-position: 100% 0; }
}

@media (prefers-reduced-motion: reduce) {
  .butterfly-garden {
    display: none;
  }

}

@media (max-width: 800px) {
  .page-shell {
    width: 100vw;
    max-width: 100vw;
    margin: 0;
    padding-top: 72px;
    touch-action: pan-y;
  }

  .row {
    display: grid;
    grid-template-columns: 18px minmax(0, 1fr);
    align-items: start;
    row-gap: 2px;
    padding: 8px 0;
  }

  .row .icon {
    grid-row: span 2;
  }

  .row-with-date {
    grid-template-rows: auto auto;
  }

  .row-date {
    grid-column: 2;
    margin-left: 0;
  }

  .row-sep {
    display: none;
  }

  .row-desc {
    grid-column: 2;
    min-width: 0;
    overflow: hidden;
    white-space: normal;
  }

  .writing-row {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .writing-row .row-date {
    grid-column: 2;
  }

  .info-row {
    display: flex;
    align-items: start;
  }

  .info-row .writing-title {
    flex: 1 1 auto;
    overflow: visible;
    text-overflow: clip;
    white-space: normal;
  }

  .info-row .row-date {
    flex: 0 0 auto;
    margin-left: 16px;
  }

  .all-posts {
    display: flex;
  }

  .postcard-grid {
    grid-template-columns: 1fr;
  }

}