:root {
  color-scheme: dark;
  --bg: #05070b;
  --bg-2: #0d1117;
  --panel: rgba(12, 16, 22, 0.94);
  --panel-alt: rgba(17, 20, 27, 0.96);
  --border: rgba(148, 164, 176, 0.55);
  --text: #f1f5f9;
  --muted: #c8d2dc;
  --soft: #dde6ee;
  --accent: #edf6ff;
  --accent-soft: rgba(176, 214, 255, 0.35);
  --shadow: rgba(140, 170, 205, 0.1);
  --status-parallax-duration: 3s;
  --status-parallax-opacity: 0.22;
  --status-parallax-shift: 140%;
}

:root[data-theme="light"] {
  color-scheme: light;
  --bg: #edf1f5;
  --bg-2: #dfe7ee;
  --panel: rgba(252, 253, 255, 0.9);
  --panel-alt: rgba(240, 245, 250, 0.95);
  --border: rgba(28, 37, 44, 0.4);
  --text: #111827;
  --muted: #475569;
  --soft: #1f2937;
  --accent: #0f172a;
  --accent-soft: rgba(15, 23, 42, 0.12);
  --shadow: rgba(15, 23, 42, 0.08);
  --status-parallax-opacity: 0.38;
}

:root[data-theme="marisa"] {
  color-scheme: dark;
  --bg: #170b32;
  --bg-2: #ff5ea8;
  --panel: rgba(71, 22, 110, 0.9);
  --panel-alt: rgba(177, 85, 255, 0.9);
  --border: rgba(255, 246, 144, 0.9);
  --text: #fffdf4;
  --muted: #3d0a4c;
  --soft: #fff2a8;
  --accent: #ffeb5c;
  --accent-soft: rgba(255, 255, 255, 0.22);
  --shadow: rgba(255, 127, 176, 0.35);
  --status-parallax-opacity: 0.3;
}

:root[data-theme="matrix"] {
  color-scheme: dark;
  --bg: #010501;
  --bg-2: #001507;
  --panel: rgba(0, 22, 8, 0.9);
  --panel-alt: rgba(0, 36, 12, 0.96);
  --border: rgba(38, 255, 110, 0.55);
  --text: #c8ffcf;
  --muted: #6ef89a;
  --soft: #8affb3;
  --accent: #24ff66;
  --accent-soft: rgba(36, 255, 102, 0.22);
  --shadow: rgba(3, 186, 63, 0.22);
  --status-parallax-opacity: 0.34;
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme]) {
    color-scheme: light;
    --bg: #edf1f5;
    --bg-2: #dfe7ee;
    --panel: rgba(252, 253, 255, 0.9);
    --panel-alt: rgba(240, 245, 250, 0.95);
    --border: rgba(28, 37, 44, 0.4);
    --text: #111827;
    --muted: #475569;
    --soft: #1f2937;
    --accent: #0f172a;
    --accent-soft: rgba(15, 23, 42, 0.12);
    --shadow: rgba(15, 23, 42, 0.08);
  }
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.06), transparent 22%),
    radial-gradient(circle at 80% 20%, rgba(168, 193, 255, 0.08), transparent 18%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
  color: var(--text);
  font-family: "SFMono-Regular", "Consolas", "Liberation Mono", "Menlo", monospace;
  line-height: 1.6;
}

@media (prefers-color-scheme: light) {
  body {
    background:
      radial-gradient(circle at top left, rgba(15, 23, 42, 0.04), transparent 20%),
      radial-gradient(circle at 80% 20%, rgba(59, 130, 246, 0.08), transparent 18%),
      linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
  }
}

:root[data-theme="light"] body {
  background:
    radial-gradient(circle at top left, rgba(15, 23, 42, 0.04), transparent 20%),
    radial-gradient(circle at 80% 20%, rgba(59, 130, 246, 0.08), transparent 18%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
}

:root[data-theme="marisa"] body {
  background:
    radial-gradient(circle at 10% 15%, rgba(255, 255, 255, 0.5), transparent 18%),
    radial-gradient(circle at 80% 20%, rgba(255, 236, 92, 0.4), transparent 22%),
    radial-gradient(circle at 50% 80%, rgba(255, 95, 168, 0.35), transparent 22%),
    linear-gradient(135deg, #2f1047 0%, #6d3df5 25%, #ff5ea8 55%, #ffca3a 100%);
  font-family: "Comic Sans MS", "Comic Sans", "Marker Felt", cursive;
}

:root[data-theme="matrix"] body {
  background:
    radial-gradient(circle at 20% 12%, rgba(0, 255, 98, 0.14), transparent 20%),
    radial-gradient(circle at 80% 18%, rgba(90, 255, 150, 0.09), transparent 24%),
    linear-gradient(180deg, #000500 0%, #001309 45%, #000d05 100%);
  font-family: "Lucida Console", "SFMono-Regular", "Consolas", "Liberation Mono", "Menlo", monospace;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    radial-gradient(1.5px 1.5px at 10% 20%, rgba(255,255,255,0.9) 0, transparent 100%),
    radial-gradient(1.2px 1.2px at 30% 40%, rgba(255,255,255,0.7) 0, transparent 100%),
    radial-gradient(1.4px 1.4px at 70% 18%, rgba(255,255,255,0.8) 0, transparent 100%),
    radial-gradient(1.1px 1.1px at 80% 70%, rgba(255,255,255,0.75) 0, transparent 100%),
    radial-gradient(1.6px 1.6px at 20% 80%, rgba(255,255,255,0.8) 0, transparent 100%),
    radial-gradient(1.3px 1.3px at 55% 60%, rgba(255,255,255,0.7) 0, transparent 100%),
    radial-gradient(1px 1px at 90% 35%, rgba(255,255,255,0.9) 0, transparent 100%),
    radial-gradient(1.2px 1.2px at 45% 12%, rgba(255,255,255,0.9) 0, transparent 100%);
  background-repeat: repeat;
  background-size: 100% 100%;
  opacity: 0.9;
}

@media (prefers-color-scheme: light) {
  body::before {
    background-image:
      radial-gradient(1.5px 1.5px at 10% 20%, rgba(15, 23, 42, 0.45) 0, transparent 100%),
      radial-gradient(1.2px 1.2px at 30% 40%, rgba(15, 23, 42, 0.3) 0, transparent 100%),
      radial-gradient(1.4px 1.4px at 70% 18%, rgba(15, 23, 42, 0.4) 0, transparent 100%),
      radial-gradient(1.1px 1.1px at 80% 70%, rgba(15, 23, 42, 0.35) 0, transparent 100%),
      radial-gradient(1.6px 1.6px at 20% 80%, rgba(15, 23, 42, 0.35) 0, transparent 100%),
      radial-gradient(1.3px 1.3px at 55% 60%, rgba(15, 23, 42, 0.25) 0, transparent 100%),
      radial-gradient(1px 1px at 90% 35%, rgba(15, 23, 42, 0.4) 0, transparent 100%),
      radial-gradient(1.2px 1.2px at 45% 12%, rgba(15, 23, 42, 0.45) 0, transparent 100%);
    opacity: 0.75;
  }
}

:root[data-theme="light"] body::before {
  background-image:
    radial-gradient(1.5px 1.5px at 10% 20%, rgba(15, 23, 42, 0.45) 0, transparent 100%),
    radial-gradient(1.2px 1.2px at 30% 40%, rgba(15, 23, 42, 0.3) 0, transparent 100%),
    radial-gradient(1.4px 1.4px at 70% 18%, rgba(15, 23, 42, 0.4) 0, transparent 100%),
    radial-gradient(1.1px 1.1px at 80% 70%, rgba(15, 23, 42, 0.35) 0, transparent 100%),
    radial-gradient(1.6px 1.6px at 20% 80%, rgba(15, 23, 42, 0.35) 0, transparent 100%),
    radial-gradient(1.3px 1.3px at 55% 60%, rgba(15, 23, 42, 0.25) 0, transparent 100%),
    radial-gradient(1px 1px at 90% 35%, rgba(15, 23, 42, 0.4) 0, transparent 100%),
    radial-gradient(1.2px 1.2px at 45% 12%, rgba(15, 23, 42, 0.45) 0, transparent 100%);
  opacity: 0.75;
}

:root[data-theme="marisa"] body::before {
  background-image:
    radial-gradient(2px 2px at 10% 20%, rgba(255,255,255,0.95) 0, transparent 100%),
    radial-gradient(2.2px 2.2px at 25% 45%, rgba(255, 245, 131, 0.9) 0, transparent 100%),
    radial-gradient(1.8px 1.8px at 65% 30%, rgba(255, 255, 255, 0.8) 0, transparent 100%),
    radial-gradient(2.4px 2.4px at 80% 70%, rgba(255, 255, 255, 0.85) 0, transparent 100%),
    radial-gradient(3px 3px at 50% 80%, rgba(255, 106, 188, 0.9) 0, transparent 100%);
  opacity: 1;
}

:root[data-theme="matrix"] body::before {
  background-image:
    linear-gradient(90deg, transparent 0%, rgba(0, 255, 110, 0.06) 50%, transparent 100%),
    repeating-linear-gradient(
      to right,
      rgba(0, 255, 110, 0.08) 0,
      rgba(0, 255, 110, 0.08) 1px,
      transparent 1px,
      transparent 24px
    );
  background-size: 100% 100%, 100% 100%;
  opacity: 0.65;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0.02),
    rgba(255, 255, 255, 0.02) 1px,
    transparent 1px,
    transparent 3px
  );
  opacity: 0.7;
}

@media (prefers-color-scheme: light) {
  body::after {
    background: repeating-linear-gradient(
      to bottom,
      rgba(17, 24, 39, 0.02),
      rgba(17, 24, 39, 0.02) 1px,
      transparent 1px,
      transparent 3px
    );
    opacity: 0.6;
  }
}

:root[data-theme="light"] body::after {
  background: repeating-linear-gradient(
    to bottom,
    rgba(17, 24, 39, 0.02),
    rgba(17, 24, 39, 0.02) 1px,
    transparent 1px,
    transparent 3px
  );
  opacity: 0.6;
}

:root[data-theme="marisa"] body::after {
  background: repeating-linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0.08),
    rgba(255, 255, 255, 0.08) 1px,
    transparent 1px,
    transparent 4px
  );
  opacity: 0.8;
}

:root[data-theme="matrix"] body::after {
  background: repeating-linear-gradient(
    to bottom,
    rgba(0, 255, 110, 0.06),
    rgba(0, 255, 110, 0.06) 1px,
    transparent 1px,
    transparent 3px
  );
  opacity: 0.75;
}

.page-shell {
  position: relative;
  max-width: 980px;
  margin: 0 auto;
  padding: 2.5rem 1.25rem 4rem;
}

.topbar,
.panel {
  border: 1px solid var(--border);
  background: linear-gradient(180deg, var(--panel), var(--panel-alt));
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.04), 0 0 0 1px rgba(255, 255, 255, 0.02), 0 12px 26px var(--shadow);
}

:root[data-theme="marisa"] .topbar,
:root[data-theme="marisa"] .panel {
  border-radius: 22px 8px 22px 8px;
  border-width: 2px;
  box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.15), 0 14px 28px rgba(66, 11, 77, 0.35), inset 0 0 18px rgba(255, 255, 255, 0.12);
}

:root[data-theme="matrix"] .topbar,
:root[data-theme="matrix"] .panel {
  border-width: 1px;
  box-shadow: inset 0 0 0 1px rgba(36, 255, 102, 0.1), 0 0 18px rgba(5, 214, 77, 0.2);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 1.1rem;
  margin-bottom: 1.25rem;
}

.topbar-controls {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-block {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.brand-mark {
  font-size: 1.15rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 700;
}

:root[data-theme="marisa"] .brand-mark {
  letter-spacing: 0.14em;
  text-shadow: 2px 2px 0 rgba(255, 94, 168, 0.8), 4px 4px 0 rgba(255, 206, 0, 0.8);
  transform: rotate(-1deg);
}

.brand-subtitle {
  color: var(--muted);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: lowercase;
}

.theme-toggle {
  appearance: none;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.02);
  color: var(--text);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.38rem 0.7rem;
  font: inherit;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: lowercase;
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.theme-toggle:hover,
.theme-toggle:focus-visible {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--accent);
  transform: translateY(-1px);
}

:root[data-theme="marisa"] .theme-toggle {
  background: linear-gradient(135deg, #ffb703, #ff4d8d, #7b2ff7);
  color: #1d0b32;
  font-weight: 700;
  border-radius: 999px;
  box-shadow: 0 0 18px rgba(255, 221, 94, 0.7);
}

:root[data-theme="marisa"] .theme-toggle:hover,
:root[data-theme="marisa"] .theme-toggle:focus-visible {
  border-color: #fff7a8;
  transform: translateY(-1px) rotate(-2deg);
}

:root[data-theme="matrix"] .theme-toggle {
  background: linear-gradient(180deg, #012a0f, #001b09);
  color: #89ffb3;
  border-color: rgba(36, 255, 102, 0.6);
  text-shadow: 0 0 8px rgba(34, 255, 105, 0.65);
}

:root[data-theme="matrix"] .theme-toggle:hover,
:root[data-theme="matrix"] .theme-toggle:focus-visible {
  border-color: #55ff8a;
  box-shadow: 0 0 12px rgba(36, 255, 102, 0.35);
}

.theme-toggle__icon {
  display: inline-block;
  font-size: 0.9rem;
  line-height: 1;
}

.status-panel {
  position: relative;
  isolation: isolate;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border: 1px solid var(--border);
  padding: 0.35rem 0.65rem;
  font-size: 0.72rem;
  text-transform: lowercase;
  color: var(--soft);
  overflow: hidden;
  background: rgba(255, 255, 255, 0.02);
}

:root[data-theme="marisa"] .status-panel {
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(255, 246, 144, 0.16), rgba(255, 94, 168, 0.2));
  transform: rotate(1deg);
}

:root[data-theme="matrix"] .status-panel {
  background: linear-gradient(180deg, rgba(0, 30, 10, 0.86), rgba(0, 52, 18, 0.82));
  border-color: rgba(36, 255, 102, 0.45);
  box-shadow: inset 0 0 0 1px rgba(36, 255, 102, 0.14);
}

.status-panel::before {
  content: "";
  position: absolute;
  inset: -30% -20%;
  z-index: 0;
  background-image: url("vengabus.png");
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
  opacity: 0;
  filter: drop-shadow(0 0 12px var(--shadow));
}

.status-panel.is-parallaxing::before {
  animation: status-parallax var(--status-parallax-duration) linear forwards;
}

.status-panel > * {
  position: relative;
  z-index: 1;
}

@keyframes status-parallax {
  0% {
    opacity: 0;
    transform: translateX(calc(-1 * var(--status-parallax-shift))) scale(1.2);
  }
  15% {
    opacity: var(--status-parallax-opacity);
  }
  45% {
    opacity: var(--status-parallax-opacity);
    transform: translateX(0) scale(1.1);
  }
  70% {
    opacity: var(--status-parallax-opacity);
  }
  100% {
    opacity: 0;
    transform: translateX(var(--status-parallax-shift)) scale(1.2);
  }
}

.status-led {
  width: 0.55rem;
  height: 0.55rem;
  display: inline-block;
  border-radius: 50%;
  background: #f4f8ff;
  box-shadow: 0 0 10px rgba(203, 228, 255, 0.9);
}

@media (prefers-color-scheme: light) {
  .status-led {
    background: #111827;
    box-shadow: 0 0 10px rgba(15, 23, 42, 0.35);
  }
}

:root[data-theme="light"] .status-led {
  background: #111827;
  box-shadow: 0 0 10px rgba(15, 23, 42, 0.35);
}

:root[data-theme="marisa"] .status-led {
  background: #fff278;
  box-shadow: 0 0 14px rgba(255, 241, 104, 0.95), 0 0 24px rgba(255, 130, 200, 0.8);
}

:root[data-theme="matrix"] .status-led {
  background: #24ff66;
  box-shadow: 0 0 12px rgba(36, 255, 102, 0.85), 0 0 24px rgba(36, 255, 102, 0.5);
}

:root[data-theme="matrix"] .resource-item {
  background: rgba(0, 255, 110, 0.04);
}

:root[data-theme="matrix"] .resource-item:hover {
  background: rgba(0, 255, 110, 0.1);
}

:root[data-theme="matrix"] .meta,
:root[data-theme="matrix"] .heading-tag,
:root[data-theme="matrix"] .brand-subtitle {
  color: #58f389;
}

.content {
  display: grid;
  gap: 1.25rem;
}

.panel {
  padding: 1.2rem 1.25rem 1rem;
}

.hero {
  background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));
}

.eyebrow,
.heading-tag {
  color: var(--muted);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 0.68rem;
}

.hero h1 {
  margin: 0.4rem 0 0.7rem;
  font-size: clamp(1.8rem, 3vw, 3rem);
  line-height: 1.1;
  letter-spacing: -0.04em;
}

.intro {
  margin: 0;
  max-width: 60ch;
  color: var(--soft);
}

.section-heading {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.9rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.section-heading h2 {
  margin: 0;
  font-size: 1rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.resource-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}

.resource-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.7rem 0.75rem;
  border-left: 2px solid var(--accent);
  background: rgba(255, 255, 255, 0.015);
  transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.resource-item:hover {
  background: rgba(255, 255, 255, 0.03);
  box-shadow: inset 0 0 0 1px var(--accent-soft);
  transform: translateX(1px);
}

.resource-item a {
  flex: 1;
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
}

.resource-item a:hover,
.resource-item a:focus-visible {
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

.meta {
  color: var(--muted);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
}

@media (max-width: 640px) {
  .page-shell {
    padding-inline: 0.8rem;
  }

  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .resource-item {
    flex-direction: column;
    align-items: flex-start;
  }

  .meta {
    white-space: normal;
  }
}

.bus-button:hover {
  color: yellow;
  font-weight: bold;
}

body.bus-mode,
:root[data-theme="light"] body.bus-mode,
:root[data-theme="marisa"] body.bus-mode,
:root[data-theme="matrix"] body.bus-mode {
  background-image: url("bus.png");
  background-repeat: repeat;
  background-position: top left;
  background-size: clamp(280px, 33vw, 520px) auto;
}