:root {
  color-scheme: dark;
  --green: #2cff6a;
  --cyan: #4dffdf;
  --yellow: #f7ff6b;
  --ink: #dffff5;
  --panel: rgba(2, 15, 13, 0.82);
  --panel-solid: #061815;
  --line: rgba(77, 255, 223, 0.72);
  --shadow: rgba(44, 255, 106, 0.22);
  --font-ui: "Arial", "Helvetica", sans-serif;
  --font-terminal: "Courier New", monospace;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: #020806;
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 20% 0%, rgba(77, 255, 223, 0.16), transparent 34%),
    radial-gradient(circle at 80% 16%, rgba(44, 255, 106, 0.13), transparent 30%),
    linear-gradient(180deg, #03120d 0%, #010705 100%);
  font-family: var(--font-ui);
  overflow-x: hidden;
}

button,
input,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

[hidden] {
  display: none !important;
}

.scene-layer {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.72;
}

.scene-layer canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.scene-layer.scene-fallback {
  background:
    linear-gradient(115deg, transparent 0 38%, rgba(77,255,223,0.12) 39% 41%, transparent 42%),
    radial-gradient(circle at 32% 42%, rgba(44,255,106,0.2), transparent 18%);
}

.crt-overlay {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(rgba(255,255,255,0.035) 50%, rgba(0,0,0,0.08) 50%),
    radial-gradient(ellipse at center, transparent 42%, rgba(0,0,0,0.42) 100%);
  background-size: 100% 4px, 100% 100%;
  opacity: 0.52;
}

.startup-screen,
.terminated-screen,
.screensaver {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(0, 8, 6, 0.78);
}

.startup-screen {
  overflow: hidden;
  background: #020806;
}

.startup-screen::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(rgba(255,255,255,0.035) 50%, rgba(0,0,0,0.1) 50%),
    radial-gradient(ellipse at center, rgba(0,0,0,0.08) 22%, rgba(0,0,0,0.72) 100%),
    linear-gradient(180deg, rgba(2, 8, 6, 0.06), rgba(2, 8, 6, 0.58));
  background-size: 100% 4px, 100% 100%, 100% 100%;
}

.startup-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  filter: saturate(1.08) contrast(1.04) brightness(0.82);
  transition: opacity 0.35s ease;
}

.startup-screen.intro-playing .startup-video {
  opacity: 1;
}

.startup-gate {
  position: relative;
  z-index: 2;
  display: grid;
  justify-items: center;
  gap: 16px;
  min-width: min(360px, 86vw);
  padding: 28px;
  border: 2px solid rgba(77,255,223,0.72);
  background: rgba(2, 8, 6, 0.72);
  color: var(--green);
  font: 900 16px var(--font-terminal);
  text-align: center;
  box-shadow: 0 0 28px rgba(77,255,223,0.24);
  backdrop-filter: blur(4px);
}

.startup-screen.intro-playing .startup-gate {
  display: none;
}

.loading-ring {
  width: 58px;
  height: 58px;
  border: 4px solid rgba(77,255,223,0.22);
  border-top-color: var(--green);
  border-radius: 50%;
  animation: spinRing 0.9s linear infinite;
}

.startup-gate.startup-ready .loading-ring {
  display: none;
}

.startup-start-button {
  min-width: 150px;
}

@keyframes spinRing {
  to { transform: rotate(360deg); }
}

.startup-box,
.screensaver-card {
  position: relative;
  z-index: 2;
  width: min(560px, 92vw);
  padding: clamp(18px, 4vw, 34px);
  border: 3px ridge var(--cyan);
  background: rgba(3, 18, 13, 0.78);
  box-shadow: 0 0 28px rgba(77,255,223,0.3), 0 18px 70px rgba(0,0,0,0.52);
  text-align: center;
  backdrop-filter: blur(5px);
}

.startup-box h1,
.startup-box h2,
.screensaver-card strong {
  margin: 0 0 10px;
  color: var(--green);
  font: 900 clamp(34px, 8vw, 70px) var(--font-terminal);
  text-shadow: 0 0 12px rgba(44,255,106,0.8);
}

.startup-box pre {
  min-height: 124px;
  padding: 14px;
  text-align: left;
  border: 1px solid rgba(77,255,223,0.5);
  background: #020806;
  color: #caffd7;
  white-space: pre-wrap;
}

.blink {
  display: block;
  margin-top: 12px;
  color: var(--yellow);
  font: bold 14px var(--font-terminal);
  animation: blink 1s steps(2) infinite;
}

@keyframes blink {
  50% { opacity: 0.35; }
}

.marquee {
  position: sticky;
  top: 0;
  z-index: 5;
  overflow: hidden;
  border-bottom: 2px solid var(--green);
  background: rgba(2, 15, 13, 0.86);
  color: #caffd7;
  font: bold 14px var(--font-terminal);
  white-space: nowrap;
}

.marquee span {
  display: inline-block;
  min-width: 100%;
  padding: 8px 0;
  animation: marquee 26s linear infinite;
}

@keyframes marquee {
  from { transform: translateX(100%); }
  to { transform: translateX(-100%); }
}

.desktop-wrap,
.site-page {
  position: relative;
  isolation: isolate;
  z-index: 2;
  width: min(1380px, calc(100vw - 32px));
  margin: 48px auto;
}

.desktop-wrap::before,
.site-page::before {
  content: "";
  position: absolute;
  inset: -30px;
  z-index: -2;
  border: 20px solid #050908;
  border-radius: 30px;
  background:
    linear-gradient(120deg, rgba(255,255,255,0.14), transparent 16% 72%, rgba(77,255,223,0.12)),
    linear-gradient(180deg, #15241f, #020504 74%);
  box-shadow:
    inset 0 0 0 3px rgba(77,255,223,0.18),
    inset 0 0 44px rgba(0,0,0,0.8),
    0 28px 70px rgba(0,0,0,0.62),
    0 0 34px rgba(44,255,106,0.24);
}

.desktop-wrap::after,
.site-page::after {
  content: "";
  position: absolute;
  inset: -8px;
  z-index: 4;
  pointer-events: none;
  border-radius: 15px;
  background:
    linear-gradient(110deg, rgba(255,255,255,0.12), transparent 22%),
    radial-gradient(ellipse at center, transparent 55%, rgba(0,0,0,0.34) 100%);
  mix-blend-mode: screen;
  opacity: 0.35;
}

.desktop,
.page-shell {
  position: relative;
  overflow: hidden;
  border: 2px solid var(--line);
  background: linear-gradient(180deg, rgba(4, 32, 26, 0.8), rgba(2, 10, 9, 0.9));
  border-radius: 10px;
  box-shadow:
    inset 0 0 35px rgba(44,255,106,0.08),
    0 0 24px rgba(77,255,223,0.24);
  backdrop-filter: blur(4px);
}

.desktop > *,
.page-shell > * {
  position: relative;
  z-index: 1;
}

.desktop::before,
.page-shell::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 3;
  pointer-events: none;
  background:
    repeating-linear-gradient(0deg, rgba(207,255,230,0.11) 0 1px, rgba(0,0,0,0.04) 1px 3px, transparent 3px 5px),
    repeating-linear-gradient(90deg, rgba(77,255,223,0.045) 0 1px, transparent 1px 8px),
    radial-gradient(ellipse at center, transparent 54%, rgba(0,0,0,0.34) 100%);
  opacity: 0.72;
  mix-blend-mode: soft-light;
}

.desktop::after,
.page-shell::after {
  content: "";
  position: absolute;
  inset: -18%;
  z-index: 2;
  pointer-events: none;
  background:
    radial-gradient(circle at 28% 24%, rgba(255,255,255,0.12), transparent 10%),
    linear-gradient(110deg, transparent 0 42%, rgba(255,255,255,0.08) 48%, transparent 56%);
  opacity: 0.26;
  transform: rotate(-2deg);
}

.desktop {
  padding: clamp(14px, 2vw, 24px);
}

.top-area {
  display: grid;
  gap: 12px;
  justify-items: center;
  text-align: center;
  padding: 12px;
  border-bottom: 1px solid rgba(77,255,223,0.3);
}

#logo {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2px;
  margin: 0;
  color: var(--green);
  font: 900 clamp(38px, 8vw, 96px) var(--font-terminal);
  letter-spacing: 0;
  text-shadow: 0 0 16px rgba(44,255,106,0.78);
}

.logo-letter {
  display: inline-block;
  min-width: 0.62em;
  outline-offset: 5px;
  cursor: pointer;
  transition: transform 0.08s ease, color 0.08s ease, text-shadow 0.08s ease;
}

.logo-letter:hover {
  transform: translateY(-7px) scale(1.06);
  color: var(--yellow);
}

.logo-letter.bounce {
  transform: translateY(-18px) scale(1.14) rotate(-4deg);
  color: #ffffff;
  text-shadow: 0 0 10px #ffffff, 0 0 24px var(--green), 0 0 40px var(--cyan);
}

.logo-letter.bounce-soft {
  transform: translateY(-10px) scale(1.08);
  color: var(--yellow);
}

.logo-letter.bounce-wide {
  transform: translateY(-22px) scale(1.22) rotate(3deg);
  color: #ffffff;
  text-shadow: 0 0 12px #ffffff, 0 0 30px var(--yellow), 0 0 48px var(--cyan);
}

.logo-letter:focus-visible {
  outline: 2px solid var(--yellow);
}

.subtitle,
.small-text {
  color: #bceee2;
}

.readouts {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
}

.readouts span,
.badge,
.file-preview,
.now-playing,
.terminal-screen {
  border: 1px solid rgba(77,255,223,0.45);
  background: rgba(0,0,0,0.38);
  font-family: var(--font-terminal);
}

.readouts span,
.badge {
  padding: 6px 9px;
}

.control-row,
.icon-row,
.taskbar,
.quick-command-row,
.badge-list,
.web-link-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
}

.os-button,
.task-button,
.link-button,
.web-link {
  min-height: 38px;
  padding: 8px 12px;
  border: 2px outset #dffff5;
  background: linear-gradient(180deg, #effff8, var(--green) 48%, #0daf4a);
  color: #00130d;
  font-weight: 900;
  text-decoration: none;
  text-transform: uppercase;
}

.danger-button {
  background: linear-gradient(180deg, #fff1f1, #ff6868);
}

.mode-feature {
  width: min(760px, 100%);
  margin-top: 8px;
  padding: 12px;
  border: 1px solid rgba(77,255,223,0.45);
  background: rgba(0,0,0,0.26);
}

.mode-title {
  color: var(--yellow);
  font: bold 16px var(--font-terminal);
}

.signal-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.signal-pad {
  min-height: 48px;
  border: 1px solid var(--cyan);
  background: rgba(44,255,106,0.12);
  color: var(--green);
  font: bold 13px var(--font-terminal);
}

.mode-output {
  margin-top: 8px;
  padding: 8px;
  border: 1px dotted var(--green);
  color: #caffd7;
  font: 12px var(--font-terminal);
}

.c64-station,
.web-portal {
  display: none;
}

.desktop-icon {
  width: 92px;
  min-height: 94px;
  display: grid;
  justify-items: center;
  align-content: start;
  gap: 8px;
  padding: 8px 4px;
  color: var(--ink);
  border: 0;
  background: transparent;
  text-align: center;
}

.icon-art {
  width: 46px;
  height: 42px;
  border: 2px solid var(--cyan);
  background: rgba(44,255,106,0.14);
  box-shadow: inset 0 0 14px rgba(77,255,223,0.22);
}

.icon-art.folder {
  border-radius: 3px;
  background: linear-gradient(#4dffdf 0 13px, rgba(44,255,106,0.15) 13px);
}

.icon-art.video {
  border-radius: 4px;
}

.icon-art.record {
  border-radius: 50%;
}

.icon-art.ai {
  position: relative;
  border-radius: 8px 8px 14px 14px;
  background:
    radial-gradient(circle at 34% 42%, var(--green) 0 5px, transparent 6px),
    radial-gradient(circle at 66% 42%, var(--green) 0 5px, transparent 6px),
    linear-gradient(180deg, rgba(77,255,223,0.28), rgba(44,255,106,0.12));
}

.icon-art.ai::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 9px;
  height: 4px;
  background: var(--yellow);
  box-shadow: 0 0 8px var(--yellow);
}

.icon-label {
  padding: 3px 5px;
  background: rgba(0,0,0,0.38);
  font: bold 12px var(--font-terminal);
}

.window-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 16px;
}

.window,
.video-card,
.gallery-card,
.guestbook-panel {
  min-width: 0;
  border: 2px ridge var(--cyan);
  background: var(--panel);
}

.window.active {
  box-shadow: 0 0 18px rgba(77,255,223,0.28);
}

.window,
.desktop-icon,
.os-button,
.task-button,
.readouts span,
.badge,
.status-light {
  transition: transform 0.08s ease, filter 0.08s ease, box-shadow 0.08s ease;
}

body.music-beat .window.active {
  box-shadow: 0 0 24px rgba(77,255,223,0.5), inset 0 0 18px rgba(44,255,106,0.08);
  filter: brightness(1.08);
}

body.music-beat .desktop-icon:nth-child(odd) {
  transform: translateY(-3px) scale(1.025);
}

body.music-beat .desktop-icon:nth-child(even) {
  transform: translateY(2px) scale(1.02);
}

body.music-beat .readouts span:nth-child(odd),
body.music-beat .badge:nth-child(odd) {
  transform: translateY(-2px);
  filter: brightness(1.18);
}

.window.hidden-window {
  display: none;
}

.window.minimized .window-content {
  display: none;
}

.titlebar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  min-height: 30px;
  padding: 5px 8px;
  background: rgba(77,255,223,0.14);
  border-bottom: 1px solid rgba(77,255,223,0.45);
  color: #eafff7;
  font: bold 13px var(--font-terminal);
}

.window-buttons {
  display: inline-flex;
  gap: 5px;
}

.fake-button {
  width: 15px;
  height: 15px;
  padding: 0;
  border: 1px solid #dffff5;
  background: var(--yellow);
}

.fake-button.green { background: var(--green); }
.fake-button.blue { background: var(--cyan); }

.window-content {
  padding: 14px;
}

.window-content h2,
.page-header h2,
.guestbook-panel h3,
.gallery-card h3 {
  margin: 0 0 10px;
  color: var(--green);
  font-family: var(--font-terminal);
}

.video-frame {
  aspect-ratio: 16 / 9;
  background: #000;
  border: 1px solid rgba(77,255,223,0.45);
}

.video-frame iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

.vinyl-stage {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 14px;
  align-items: center;
}

.turntable {
  position: relative;
  width: 168px;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border: 2px solid var(--cyan);
  background: rgba(77,255,223,0.12);
}

.vinyl-record {
  width: 118px;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, var(--green) 0 12%, #101513 13% 68%, #020202 69%);
}

body.music-playing .vinyl-record {
  animation: spin 1.1s linear infinite;
}

body.music-playing .vinyl-record.beat {
  scale: 1.045;
  box-shadow: 0 0 0 4px rgba(77,255,223,0.35), inset 0 0 18px rgba(255,255,255,0.1), 0 0 28px rgba(44,255,106,0.8);
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.needle {
  position: absolute;
  right: 32px;
  top: 22px;
  width: 6px;
  height: 88px;
  background: var(--cyan);
  transform: rotate(-26deg);
  transform-origin: top center;
}

.volume-bars {
  display: flex;
  align-items: end;
  gap: 5px;
  height: 42px;
  margin-top: 10px;
}

.volume-bars span {
  width: 10px;
  height: 16px;
  background: var(--green);
}

body.music-beat .volume-bars span:nth-child(odd) {
  height: 34px;
}

.media-placeholder,
.gallery-tile {
  min-height: 130px;
  display: grid;
  place-items: center;
  border: 1px dashed rgba(77,255,223,0.45);
  background: rgba(0,0,0,0.25);
  color: var(--yellow);
  font: bold 13px var(--font-terminal);
}

.ai-shell {
  display: grid;
  gap: 12px;
}

.ai-face {
  position: relative;
  width: 116px;
  height: 86px;
  margin: 0 auto;
  border: 3px ridge var(--cyan);
  border-radius: 10px 10px 18px 18px;
  background:
    radial-gradient(circle at 33% 42%, var(--green) 0 9px, transparent 10px),
    radial-gradient(circle at 67% 42%, var(--green) 0 9px, transparent 10px),
    linear-gradient(180deg, rgba(77,255,223,0.2), rgba(0,0,0,0.8));
  box-shadow: inset 0 0 20px rgba(44,255,106,0.24), 0 0 18px rgba(77,255,223,0.22);
}

.ai-face::before {
  content: "AI";
  position: absolute;
  left: 9px;
  top: 7px;
  color: var(--yellow);
  font: bold 11px var(--font-terminal);
}

.ai-mouth {
  position: absolute;
  left: 32px;
  right: 32px;
  bottom: 18px;
  height: 8px;
  border: 2px solid var(--yellow);
  border-top: 0;
}

body.music-beat .ai-face,
.ai-face:hover {
  filter: brightness(1.18);
  transform: translateY(-2px);
}

.ai-chat-log {
  min-height: 176px;
  max-height: 250px;
  overflow: auto;
  display: grid;
  align-content: start;
  gap: 8px;
  padding: 10px;
  border: 1px solid rgba(77,255,223,0.45);
  background: rgba(0,0,0,0.36);
  font: 13px var(--font-terminal);
}

.ai-message {
  padding: 8px;
  border: 1px dotted rgba(77,255,223,0.4);
  background: rgba(44,255,106,0.08);
}

.ai-message.user {
  color: #ffffff;
  border-color: rgba(247,255,107,0.48);
  background: rgba(247,255,107,0.08);
}

.ai-secret {
  color: rgba(247,255,107,0.9);
  font-size: 11px;
  text-transform: uppercase;
  animation: secretBlink 1.35s steps(2) infinite;
}

.ai-form {
  display: grid;
  gap: 6px;
  color: var(--yellow);
  font: bold 12px var(--font-terminal);
}

.ai-input-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
}

.ai-input-row input {
  min-width: 0;
  border: 2px inset var(--cyan);
  background: #010504;
  color: var(--green);
  padding: 9px;
}

.ai-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

@keyframes secretBlink {
  50% { opacity: 0.45; }
}

.gallery-tile img {
  max-width: 100%;
  max-height: 220px;
  object-fit: contain;
}

.status-grid,
.page-grid,
.guestbook-layout {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.status-card,
.devlog,
.guestbook-entry,
.guestbook-empty {
  padding: 10px;
  border: 1px solid rgba(77,255,223,0.38);
  background: rgba(0,0,0,0.26);
}

.status-light {
  display: block;
  width: 18px;
  height: 18px;
  margin: 8px auto;
  border-radius: 50%;
  background: var(--green);
}

.status-light.alert {
  background: var(--yellow);
}

.progress-item {
  margin: 10px 0;
}

.progress-label {
  display: flex;
  justify-content: space-between;
  font: 12px var(--font-terminal);
}

.progress-shell {
  height: 12px;
  border: 1px solid rgba(77,255,223,0.42);
  background: rgba(0,0,0,0.35);
}

.progress-fill {
  height: 100%;
  width: 0;
  background: var(--green);
}

.file-list {
  list-style: none;
  display: grid;
  gap: 6px;
  margin: 0;
  padding: 0;
}

.file-row {
  width: 100%;
  display: flex;
  justify-content: space-between;
  min-height: 38px;
  padding: 7px 9px;
  border: 1px dotted rgba(77,255,223,0.55);
  background: rgba(0,0,0,0.2);
  color: var(--ink);
  font: bold 13px var(--font-terminal);
}

.file-preview,
.terminal-screen {
  min-height: 150px;
  margin-top: 10px;
  padding: 10px;
  overflow: auto;
  color: #caffd7;
}

.terminal-screen {
  height: 235px;
}

.terminal-line {
  margin-bottom: 5px;
}

.terminal-input-row {
  display: flex;
  gap: 8px;
  align-items: center;
  margin: 10px 0;
  padding: 8px;
  border: 1px solid var(--green);
  background: rgba(0,0,0,0.35);
  font-family: var(--font-terminal);
}

.terminal-input-row input {
  flex: 1;
  min-width: 0;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--ink);
}

.page-shell {
  padding: clamp(14px, 3vw, 28px);
}

.page-header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  margin-bottom: 16px;
}

.guestbook-form {
  display: grid;
  gap: 10px;
}

.guestbook-form label {
  display: grid;
  gap: 5px;
  color: var(--yellow);
  font: bold 13px var(--font-terminal);
}

.guestbook-form input,
.guestbook-form textarea {
  width: 100%;
  border: 1px solid var(--cyan);
  background: rgba(0,0,0,0.45);
  color: var(--ink);
  padding: 8px;
}

.guestbook-list {
  display: grid;
  gap: 10px;
}

.guestbook-entry strong {
  display: block;
  color: var(--yellow);
}

.guestbook-entry span {
  color: #9bd7cb;
  font-size: 12px;
}

.taskbar {
  margin-top: 14px;
  padding: 10px;
  border: 1px solid rgba(77,255,223,0.38);
  background: rgba(0,0,0,0.24);
}

.footer {
  padding: 12px;
  text-align: center;
  color: #bceee2;
  font-family: var(--font-terminal);
}

.screensaver-card {
  display: grid;
  gap: 8px;
  animation: saverFloat 6s ease-in-out infinite alternate;
}

@keyframes saverFloat {
  from { transform: translate(-8vw, -5vh); }
  to { transform: translate(8vw, 5vh); }
}

body.warping .desktop {
  animation: warp 0.28s ease-in-out infinite alternate;
}

@keyframes warp {
  from { transform: translateX(-1px) scale(1.001); }
  to { transform: translateX(1px) scale(1.005); }
}

@media (max-width: 860px) {
  .desktop-wrap,
  .site-page {
    width: min(100vw - 16px, 760px);
    margin: 24px auto;
  }

  .window-grid,
  .page-grid,
  .guestbook-layout,
  .status-grid,
  .vinyl-stage {
    grid-template-columns: 1fr;
  }

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

  .marquee span {
    animation-duration: 18s;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
  }

  .scene-layer {
    opacity: 0.35;
  }
}