:root {
  --settings-bg: rgba(10, 10, 20, 0.95);
  --settings-border: rgba(255, 255, 255, 0.15);
  --settings-text: #f5f5f5;
  --accent: #0ff;
  --destructive: #f40;
  --font-vcr: "Better VCR", monospace;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  color-scheme: dark;
}

body {
  position: relative;
  min-height: 100vh;
  padding: 2.5rem 1.5rem 3rem;
  color: var(--lcd-text-base, #eee);
  font-family: "Better VCR", monospace;
  line-height: 1.6;
  background: #060b14;
  overflow-x: hidden;
}

.backdrop {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: #060b14;
}

.backdrop canvas {
  display: block;
  width: 100%;
  height: 100%;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}

#vignette {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 70% 55% at 50% 28%, rgba(14, 34, 62, 0.2), transparent 65%),
    radial-gradient(ellipse at center, transparent 30%, rgba(2, 6, 14, 0.82) 100%);
}

#vignette[hidden] {
  display: none;
}

.page {
  position: relative;
  z-index: 1;
  max-width: 40rem;
  margin: 0 auto;
}

.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1.5rem;
  margin-bottom: 2.75rem;
}

.logo-glitch {
  position: relative;
  display: block;
  width: min(90vw, 36rem);
  isolation: isolate;
}

.logo {
  width: 100%;
  height: auto;
  display: block;
  cursor: pointer;
  filter: drop-shadow(0 8px 28px rgba(0, 0, 0, 0.45));
}

/* Medium-heavy RGB split + band tear — only while settings menu is open */
body.settings-mode .logo-glitch::before,
body.settings-mode .logo-glitch::after {
  content: "";
  position: absolute;
  inset: 0;
  background: url("img/seshhelpers.png") center / contain no-repeat;
  pointer-events: none;
  mix-blend-mode: screen;
}

body.settings-mode .logo-glitch::before {
  animation: logo-glitch-red 0.72s steps(2, end) infinite;
  filter: drop-shadow(0 0 0 #f0f);
}

body.settings-mode .logo-glitch::after {
  animation: logo-glitch-cyan 0.59s steps(2, end) infinite;
  filter: drop-shadow(0 0 0 #0ff);
}

body.settings-mode .logo {
  animation: logo-glitch-base 0.65s steps(2, end) infinite;
}

@keyframes logo-glitch-base {
  0%,
  88%,
  100% {
    transform: translate(0);
    filter: drop-shadow(0 8px 28px rgba(0, 0, 0, 0.45));
  }
  10% {
    transform: translate(-5px, 1px) skewX(-1.5deg);
    filter:
      drop-shadow(5px 0 #f0f) drop-shadow(-5px 0 #0ff)
      drop-shadow(0 8px 28px rgba(0, 0, 0, 0.45));
  }
  22% {
    transform: translate(7px, -2px);
    filter:
      drop-shadow(-7px 0 #f0f) drop-shadow(4px 0 #0ff)
      drop-shadow(0 8px 28px rgba(0, 0, 0, 0.45));
  }
  48% {
    transform: translate(-3px, 3px) skewX(1deg);
  }
  62% {
    transform: translate(4px, -1px);
    filter:
      drop-shadow(8px 0 #f0f) drop-shadow(-3px 0 #0ff) contrast(1.35)
      drop-shadow(0 8px 28px rgba(0, 0, 0, 0.45));
  }
}

@keyframes logo-glitch-red {
  0%,
  85%,
  100% {
    opacity: 0;
    transform: translate(0);
    clip-path: inset(0 0 0 0);
  }
  8% {
    opacity: 0.85;
    transform: translate(-10px, 2px);
    clip-path: inset(12% 0 58% 0);
  }
  18% {
    opacity: 0.7;
    transform: translate(8px, -3px);
    clip-path: inset(42% 0 28% 0);
  }
  35% {
    opacity: 0.9;
    transform: translate(-14px, 0);
    clip-path: inset(68% 0 8% 0);
  }
  55% {
    opacity: 0.55;
    transform: translate(6px, 4px);
    clip-path: inset(22% 0 45% 0);
  }
}

@keyframes logo-glitch-cyan {
  0%,
  82%,
  100% {
    opacity: 0;
    transform: translate(0);
    clip-path: inset(0 0 0 0);
  }
  12% {
    opacity: 0.85;
    transform: translate(11px, -2px);
    clip-path: inset(5% 0 62% 0);
  }
  28% {
    opacity: 0.75;
    transform: translate(-7px, 3px);
    clip-path: inset(38% 0 35% 0);
  }
  44% {
    opacity: 0.9;
    transform: translate(13px, 1px);
    clip-path: inset(55% 0 15% 0);
  }
  70% {
    opacity: 0.5;
    transform: translate(-5px, -4px);
    clip-path: inset(18% 0 50% 0);
  }
}

.tagline {
  max-width: 28rem;
  font-size: clamp(0.95rem, 2.4vw, 1.15rem);
  letter-spacing: 0.06em;
  color: var(--lcd-text-primary, #e0fefe);
  text-shadow: var(--theme-text-shadow);
}

.obs-install {
  max-width: 36rem;
  margin: 0 auto 2.75rem;
  text-align: left;
}

.obs-install > .theme-panel {
  display: block;
  padding: 1.35rem 1.5rem 1.5rem;
  background: linear-gradient(
    135deg,
    rgba(14, 34, 62, 0.78),
    rgba(48, 92, 144, 0.52)
  );
  backdrop-filter: blur(28px) saturate(140%);
  -webkit-backdrop-filter: blur(28px) saturate(140%);
}

.obs-install h2 {
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(170, 220, 255, 0.55);
  margin-bottom: 0.85rem;
  text-align: center;
}

.obs-install .lede {
  margin-bottom: 1.15rem;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  color: rgba(224, 254, 254, 0.7);
  text-align: center;
  text-shadow: none;
}

.obs-install h3 {
  margin: 1rem 0 0.45rem;
  font-size: 0.95rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  color: var(--lcd-text-primary, #e0fefe);
  text-shadow: var(--theme-text-shadow);
}

.obs-install h3:first-of-type {
  margin-top: 0;
}

.obs-install ul {
  margin: 0;
  padding-left: 1.15rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.8rem;
  letter-spacing: 0.03em;
  color: rgba(224, 254, 254, 0.78);
  text-shadow: none;
}

.obs-install li::marker {
  color: rgba(170, 220, 255, 0.55);
}

.obs-install .guide-link {
  display: block;
  margin-top: 1.15rem;
  text-align: center;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: rgba(170, 220, 255, 0.85);
  text-decoration: none;
  transition: color 0.15s ease, text-shadow 0.15s ease;
}

.obs-install .guide-link:hover,
.obs-install .guide-link:focus-visible {
  color: var(--lcd-text-primary, #e0fefe);
  text-shadow: var(--theme-text-shadow);
  outline: none;
}

.projects {
  max-width: 22rem;
  margin: 0 auto;
  text-align: center;
}

.projects h2 {
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(170, 220, 255, 0.55);
  margin-bottom: 1rem;
}

.projects ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.projects a.theme-panel {
  display: block;
  padding: 1rem 1.35rem;
  text-decoration: none;
  letter-spacing: 0.05em;
  background: linear-gradient(
    135deg,
    rgba(14, 34, 62, 0.78),
    rgba(48, 92, 144, 0.52)
  );
  backdrop-filter: blur(28px) saturate(140%);
  -webkit-backdrop-filter: blur(28px) saturate(140%);
  transition:
    border-color 0.2s ease,
    box-shadow 0.2s ease,
    transform 0.2s ease,
    background 0.2s ease;
}

.projects a.theme-panel:hover,
.projects a.theme-panel:focus-visible {
  border-color: rgba(170, 220, 255, 0.45);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.28),
    0 12px 36px rgba(0, 0, 0, 0.35),
    0 0 24px rgba(0, 255, 255, 0.12);
  transform: translateY(-2px);
  outline: none;
}

.projects a .project-name {
  display: block;
  font-size: 1.05rem;
  color: var(--lcd-text-primary, #e0fefe);
}

[data-theme="lcd-glass"] .projects a.theme-panel > span:not(.project-name) {
  display: block;
  margin-top: 0.3rem;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: rgba(224, 254, 254, 0.55);
  text-shadow: none;
}

footer {
  margin-top: 2.75rem;
  text-align: center;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
}

footer a {
  color: rgba(170, 220, 255, 0.7);
  text-decoration: none;
  transition: color 0.15s ease, text-shadow 0.15s ease;
}

footer a:hover,
footer a:focus-visible {
  color: var(--lcd-text-primary, #e0fefe);
  text-shadow: var(--theme-text-shadow);
  outline: none;
}

.hero .logo-glitch,
.hero .tagline,
.obs-install,
.projects,
footer {
  opacity: 0;
  transform: translateY(12px);
  animation: rise-in 0.7s ease forwards;
}

.hero .logo-glitch { animation-delay: 0.05s; }
.hero .tagline { animation-delay: 0.18s; }
.obs-install { animation-delay: 0.28s; }
.projects { animation-delay: 0.4s; }
footer { animation-delay: 0.54s; }

@keyframes rise-in {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero .logo-glitch,
  .hero .tagline,
  .obs-install,
  .projects,
  footer {
    opacity: 1;
    transform: none;
    animation: none;
  }

  body.settings-mode .logo-glitch::before,
  body.settings-mode .logo-glitch::after,
  body.settings-mode .logo {
    animation: none !important;
  }

  .projects a.theme-panel {
    transition: none;
  }

  .projects a.theme-panel:hover,
  .projects a.theme-panel:focus-visible {
    transform: none;
  }
}

#settings-menu {
  position: fixed;
  top: 1rem;
  left: 1rem;
  width: 300px;
  max-height: calc(100vh - 2rem);
  padding: 0.75rem 0.9rem 0.9rem;
  border-radius: 4px;
  border: 1px solid var(--settings-border);
  background: var(--settings-bg);
  color: var(--settings-text);
  font-size: 0.85rem;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.3;
  z-index: 19;
  backdrop-filter: blur(14px);
  display: none;
  overflow-y: auto;
}

#settings-menu.side-right {
  left: auto;
  right: 1rem;
}

#settings-menu.open {
  display: block;
}

.menu-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

#settings-menu h2 {
  font-family: var(--font-vcr);
  font-size: 1.1rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

.menu-header-buttons {
  display: flex;
  gap: 0.3rem;
  flex-shrink: 0;
}

.menu-header-buttons button {
  width: 1.8rem;
  height: 1.8rem;
  padding: 0;
  border-radius: 4px;
  border: 1px solid var(--accent);
  background: transparent;
  color: var(--accent);
  cursor: pointer;
  font-size: 0.9rem;
  line-height: 1;
}

.menu-header-buttons button:hover {
  background: rgba(0, 255, 255, 0.14);
}

.hint {
  font-size: 0.75rem;
  opacity: 0.7;
  margin-bottom: 0.6rem;
  line-height: 1.3;
}

.setting-group {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  margin-bottom: 0.6rem;
}

.settings-section {
  margin-bottom: 0.6rem;
}

.section-panel {
  padding-top: 0.5rem;
}

.section-panel[hidden],
.setting-group[hidden],
#shape-multiple-group[hidden] {
  display: none;
}

.group-label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.3rem;
}

.switch-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.4rem;
  font-weight: 600;
  cursor: pointer;
}

.switch-row input {
  accent-color: var(--accent);
}

.shape-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.35rem 0.5rem;
}

.shape-grid .switch-row {
  margin-bottom: 0;
}

.setting-group label span {
  font-weight: 600;
}

.setting-toggle {
  width: 100%;
  padding: 0.35rem 0.5rem;
  border: 1px solid var(--settings-border);
  border-radius: 4px;
  background: transparent;
  color: var(--settings-text);
  cursor: pointer;
  font: inherit;
  font-size: 1rem;
  font-weight: 600;
  text-align: left;
}

.setting-toggle:hover,
.setting-toggle[aria-expanded="true"] {
  border-color: var(--accent);
  color: var(--accent);
}

.range-control {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 0.4rem;
  width: 100%;
}

.range-details {
  min-width: 0;
}

.range-label-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.35rem;
  margin-bottom: 0.25rem;
}

.range-label-row label {
  display: block;
  margin-bottom: 0;
}

.range-row {
  display: flex;
  align-items: center;
  width: 100%;
}

.range-row input[type="range"] {
  width: 100%;
  min-width: 0;
  accent-color: var(--accent);
}

.range-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  justify-content: flex-end;
  gap: 0.2rem;
  min-width: 3.25rem;
}

.range-meta .value-label {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  text-align: right;
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1;
}

.reset-param {
  width: 1.45rem;
  height: 1.45rem;
  padding: 0;
  border: 1px solid var(--destructive);
  border-radius: 3px;
  background: transparent;
  color: var(--destructive);
  cursor: pointer;
  font-size: 0.85rem;
  line-height: 1;
  flex-shrink: 0;
}

.reset-param:hover {
  background: rgba(255, 68, 0, 0.14);
}

.effect-control input[type="range"]:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.effect-control:has(input[type="range"]:disabled) .value-label {
  opacity: 0.4;
}

.effect-control:has(input[type="range"]:disabled) .reset-param {
  opacity: 0.4;
  pointer-events: none;
}

.swatch-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 0.4rem;
}

.swatch {
  position: relative;
  width: 2rem;
  height: 2rem;
  padding: 0;
  border: 1px solid var(--settings-border);
  border-radius: 4px;
  cursor: pointer;
  flex-shrink: 0;
}

.swatch.is-selected {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent), 0 0 0.55rem rgba(0, 255, 255, 0.28);
}

#color-picker {
  width: 100%;
  min-height: 220px;
  display: flex;
  justify-content: center;
  overflow: hidden;
}

#color-picker[hidden] {
  display: none;
}

.color-hex-row {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0.45rem;
  margin-top: 0.5rem;
}

.settings-section input#color-input {
  width: 100%;
  height: 1.8rem;
  padding: 0 0.35rem;
  border: 1px solid var(--accent);
  border-radius: 4px;
  outline: none;
  background: rgba(0, 255, 255, 0.12);
  color: var(--accent);
  box-shadow: inset 0 0 0 1px rgba(0, 255, 255, 0.12), 0 0 0.45rem rgba(0, 255, 255, 0.12);
  caret-color: var(--accent);
  font-family: var(--font-vcr);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-align: center;
  cursor: text;
}

.settings-section input#color-input:focus {
  background: rgba(0, 255, 255, 0.14);
  box-shadow: 0 0 0 1px var(--accent), 0 0 0.75rem rgba(0, 255, 255, 0.22);
}

#reset-button,
.small-button {
  width: 100%;
  padding: 0.35rem 0.5rem;
  border-radius: 4px;
  border: 1px solid var(--accent);
  background: transparent;
  color: var(--accent);
  cursor: pointer;
  font-family: var(--font-vcr);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.8rem;
  margin-top: 0.4rem;
  transition: background 80ms ease, color 80ms ease, box-shadow 80ms ease;
}

#reset-button {
  border-color: var(--destructive);
  color: var(--destructive);
}

.copy-row {
  display: flex;
  flex-direction: row;
  gap: 0.4rem;
  margin-top: 0.4rem;
}

.small-button {
  margin-top: 0;
  flex: 1;
}

.menu-action:active,
.menu-action.is-clicked {
  background: var(--accent);
  color: #0a0a14;
  box-shadow: inset 0 0 0 1px var(--accent), 0 0 14px rgba(0, 255, 255, 0.55);
}

#reset-button.menu-action:active,
#reset-button.menu-action.is-clicked {
  background: var(--destructive);
  color: #0a0a14;
  box-shadow: inset 0 0 0 1px var(--destructive), 0 0 14px rgba(255, 68, 0, 0.55);
}

@media (max-width: 640px) {
  #settings-menu {
    width: 82vw;
  }
}