@font-face {
  font-family: "Chicago Light";
  src: url("./fonts/Chicago/Chicago-Light.woff2") format("woff2"),
       url("./fonts/Chicago/Chicago-Light.woff") format("woff");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

:root {
  --term-bg: #000000;
  --term-fg: #2FFF12;
  --term-fg-dim: rgba(47, 255, 18, 0.45);
  --term-fg-faint: rgba(47, 255, 18, 0.18);
  --term-accent: #00FF00;
  --term-danger: #ff6666;
  --slr-gap: 0;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body.slr-page {
  margin: 0;
  min-height: 100vh;
  background: var(--term-bg);
  color: var(--term-fg);
  font-family: "Chicago Light", Chicago, "Osaka", sans-serif;
  font-size: 12px;
  font-weight: normal;
  line-height: 1.5;
  letter-spacing: 0.02em;
}

/* Chicago Light は 400 のみ。h1/strong などのデフォルト太字を完全に潰す。 */
body.slr-page,
body.slr-page * {
  font-weight: 400 !important;
}

.slr-shell {
  max-width: 1600px;
  margin: 0 auto;
  padding: var(--slr-gap);
}

.slr-header {
  padding: 12px 12px 8px;
}

.slr-header h1 {
  margin: 0;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--term-fg);
}

.slr-header h1::before {
  content: "==> ";
  color: var(--term-accent);
}

.slr-grid-wrap {
  position: relative;
}

.slr-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--slr-gap);
}

.slr-grid.is-enhanced {
  display: block;
}

.slr-sizer {
  display: none;
}

.slr-grid.is-enhanced .slr-sizer {
  display: block;
  visibility: hidden;
  width: 25%;
  margin-bottom: 0;
}

.slr-grid.is-enhanced .slr-tile {
  width: 25%;
  margin-bottom: 0;
}

.slr-tile {
  position: relative;
  display: block;
  color: inherit;
  text-decoration: none;
  border: 1px solid #000000;
  background: var(--term-bg);
  transition: border-color 0.15s ease, transform 0.15s ease;
  overflow: hidden;
}

.slr-tile:hover,
.slr-tile:focus-visible {
  border-color: var(--term-accent);
  outline: none;
}

.slr-frame {
  position: relative;
  margin: 0;
  width: 100%;
  aspect-ratio: 3 / 2;
  overflow: hidden;
}

.slr-tile.r-3x2 .slr-frame { aspect-ratio: 3 / 2; }
.slr-tile.r-4x3 .slr-frame { aspect-ratio: 4 / 3; }
.slr-tile.r-16x9 .slr-frame { aspect-ratio: 16 / 9; }
.slr-tile.r-1x1 .slr-frame { aspect-ratio: 1 / 1; }
.slr-tile.r-3x4 .slr-frame { aspect-ratio: 3 / 4; }

.slr-frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.92) contrast(1.02);
  opacity: 0;
  transition: filter 0.2s ease, opacity 0.6s ease;
}

.slr-tile.is-loaded .slr-frame img {
  opacity: 1;
}

.slr-tile:hover .slr-frame img,
.slr-tile:focus-visible .slr-frame img {
  filter: brightness(1) contrast(1.02);
}

.slr-loader,
.slr-state {
  margin: 24px 0;
  padding: 18px 12px;
  text-align: center;
  font-size: 12px;
  color: var(--term-fg);
}

.slr-loader[hidden] {
  display: none;
}

.slr-loader__text::before {
  content: "==> ";
  color: var(--term-accent);
  font-weight: 700;
}

.slr-loader__dot {
  display: inline-block;
  opacity: 0;
  animation-duration: 1.2s;
  animation-iteration-count: infinite;
  animation-timing-function: steps(1, end);
}

.slr-loader__dot--1 { animation-name: slr-dot-1; }
.slr-loader__dot--2 { animation-name: slr-dot-2; }
.slr-loader__dot--3 { animation-name: slr-dot-3; }

@keyframes slr-dot-1 {
  0%, 24.99% { opacity: 0; }
  25%, 100% { opacity: 1; }
}

@keyframes slr-dot-2 {
  0%, 49.99% { opacity: 0; }
  50%, 100% { opacity: 1; }
}

@keyframes slr-dot-3 {
  0%, 74.99% { opacity: 0; }
  75%, 100% { opacity: 1; }
}

.slr-state p {
  margin: 0;
}

.slr-state p::before {
  content: "==> ";
  color: var(--term-accent);
  font-weight: 700;
}

.slr-state--error p {
  color: var(--term-danger);
}

.slr-state--error p::before {
  content: "Error: ";
  color: var(--term-danger);
}

.slr-sentinel {
  height: 1px;
}

.slr-modal[hidden] {
  display: none;
}

.slr-modal {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: grid;
  place-items: center;
}

.slr-modal__backdrop {
  position: absolute;
  inset: 0;
  border: none;
  background: rgba(0, 0, 0, 0.92);
  cursor: pointer;
}

.slr-modal__panel {
  position: relative;
  z-index: 1;
  width: min(96vw, 1280px);
  max-height: 94vh;
  display: grid;
  grid-template-rows: auto 1fr auto;
  border: 1px solid var(--term-fg);
  background: var(--term-bg);
  color: var(--term-fg);
}

.slr-modal__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--term-fg-dim);
  font-size: 12px;
}

.slr-modal__bar p {
  margin: 0;
  color: var(--term-accent);
  font-weight: 600;
  letter-spacing: 0.06em;
}

.slr-modal__bar p::before {
  content: "==> ";
  color: var(--term-fg);
  font-weight: 400;
}

.slr-modal__close {
  background: transparent;
  border: 1px solid var(--term-fg);
  color: var(--term-fg);
  font: inherit;
  width: 28px;
  height: 24px;
  cursor: pointer;
  display: grid;
  place-items: center;
  line-height: 1;
}

.slr-modal__close:hover {
  border-color: var(--term-accent);
  color: var(--term-accent);
}

.slr-modal__media {
  margin: 0;
  display: grid;
  place-items: center;
  min-height: 0;
  padding: 12px;
}

.slr-modal__media img {
  display: block;
  max-width: 100%;
  max-height: min(76vh, 1100px);
  width: auto;
  height: auto;
  opacity: 0;
  transition: opacity 0.6s ease;
}

.slr-modal__media img.is-loaded {
  opacity: 1;
}

.slr-modal__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding: 8px 12px;
  border-top: 1px solid var(--term-fg-dim);
  font-size: 12px;
}

.slr-modal__meta p {
  margin: 0;
  color: var(--term-fg-dim);
}

.slr-modal__meta a {
  color: var(--term-accent);
  text-decoration: none;
  font-weight: 600;
}

.slr-modal__meta a::before {
  content: "[ ";
  color: var(--term-fg);
  font-weight: 400;
}

.slr-modal__meta a::after {
  content: " ]";
  color: var(--term-fg);
  font-weight: 400;
}

.slr-modal__meta a:hover {
  background: rgba(47, 255, 18, 0.08);
}

@media (max-width: 1280px) {
  .slr-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .slr-grid.is-enhanced .slr-sizer,
  .slr-grid.is-enhanced .slr-tile {
    width: 33.333333%;
  }
}

@media (max-width: 480px) {
  .slr-modal__meta {
    align-items: stretch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .slr-frame img,
  .slr-modal__media img {
    transition: none;
  }

  .slr-loader__dot {
    animation: none;
    opacity: 1;
  }
}