:root {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-synthesis: none;
}

* {
  box-sizing: border-box;
}

body {
  --desktop: #101216;
  --desktop-glow: #252a34;
  --window: #17191d;
  --titlebar: #292b30;
  --titlebar-border: #08090b;
  --window-border: #3b3e45;
  --text: #e8e8e8;
  --muted: #a2a6ae;
  --prompt: #8ecbff;
  --link: #a4d6ff;
  --link-hover: #d4edff;
  --button: #33363c;
  --button-border: #4b4e55;
  --dialog: #202227;
  position: relative;
  height: 100svh;
  margin: 0;
  overflow: hidden;
  background: #000;
  color: var(--text);
}

.modern-stage {
  position: fixed;
  inset: 0;
  display: grid;
  height: 100svh;
  padding: clamp(20px, 5vw, 72px);
  background:
    radial-gradient(circle at 50% 25%, var(--desktop-glow), transparent 56%),
    var(--desktop);
  overflow: hidden;
}

.retro-stage {
  position: fixed;
  inset: 0;
  z-index: 5;
  height: 100svh;
  overflow: hidden;
  background: #02002f;
  visibility: hidden;
  transform: translateY(-100%);
}

.retro-stage iframe {
  display: block;
  width: 100%;
  height: 100svh;
  border: 0;
}

.retro-stage.is-active {
  visibility: visible;
  animation: retro-drop 880ms cubic-bezier(0.22, 1, 0.36, 1) both;
}

body[data-theme="light"] {
  --desktop: #d9dce3;
  --desktop-glow: #f5f6f8;
  --window: #f7f7f7;
  --titlebar: #e8e8e8;
  --titlebar-border: #b8bac0;
  --window-border: #b9bbc1;
  --text: #24262a;
  --muted: #6c7078;
  --prompt: #0a285f;
  --link: #102f68;
  --link-hover: #061b40;
  --button: #f4f4f4;
  --button-border: #c4c5c8;
  --dialog: #fff;
}

@media (prefers-color-scheme: light) {
  body:not([data-theme]) {
    --desktop: #d9dce3;
    --desktop-glow: #f5f6f8;
    --window: #f7f7f7;
    --titlebar: #e8e8e8;
    --titlebar-border: #b8bac0;
    --window-border: #b9bbc1;
    --text: #24262a;
    --muted: #6c7078;
    --prompt: #0a285f;
    --link: #102f68;
    --link-hover: #061b40;
    --button: #f4f4f4;
    --button-border: #c4c5c8;
    --dialog: #fff;
  }
}

button,
a {
  font: inherit;
}

.terminal-window {
  position: relative;
  display: flex;
  flex-direction: column;
  width: min(920px, 100%);
  height: min(680px, calc(100svh - clamp(40px, 10vw, 144px)));
  min-height: 520px;
  margin: auto;
  overflow: hidden;
  border: 1px solid var(--window-border);
  border-radius: 12px;
  background: var(--window);
  box-shadow:
    0 34px 90px rgb(0 0 0 / 38%),
    0 3px 12px rgb(0 0 0 / 24%);
  animation: terminal-focus 700ms cubic-bezier(0.22, 1, 0.36, 1) both;
}

.terminal-window.is-restored {
  animation: none;
}

.terminal-window.is-falling {
  animation: terminal-fall 760ms cubic-bezier(0.55, 0, 1, 0.45) both;
}

.terminal-titlebar {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  min-height: 48px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--titlebar-border);
  background: var(--titlebar);
  flex: 0 0 auto;
}

.traffic-lights {
  display: flex;
  gap: 8px;
  justify-self: start;
  padding-left: 2px;
}

.traffic-light {
  width: 13px;
  height: 13px;
  padding: 0;
  border: 0.5px solid rgb(0 0 0 / 20%);
  border-radius: 50%;
  box-shadow: inset 0 -1px 1px rgb(0 0 0 / 12%);
}

.traffic-light.close {
  display: grid;
  place-items: center;
  background: #ff5f57;
  cursor: pointer;
}

.traffic-light.close::before {
  color: #6e1611;
  content: "×";
  font: 700 11px/1 Arial, sans-serif;
  opacity: 0;
}

.traffic-light.close:hover::before,
.traffic-light.close:focus-visible::before {
  opacity: 1;
}

.traffic-light.close:focus-visible {
  outline: 2px solid var(--prompt);
  outline-offset: 3px;
}

.traffic-light.minimize {
  background: #febc2e;
}

.traffic-light.maximize {
  background: #28c840;
}

.terminal-title {
  margin: 0;
  color: var(--muted);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 12px;
  font-weight: 500;
  justify-self: center;
}

.terminal-content {
  display: flex;
  flex: 1;
  flex-direction: column;
  min-height: 0;
  padding: clamp(34px, 6vw, 72px);
}

.terminal-output {
  flex: 1;
  min-height: 0;
  padding-right: 8px;
  overflow-y: auto;
  scrollbar-color: var(--button-border) transparent;
}

.terminal-output h1 {
  margin: 0;
  color: var(--text);
  font-size: clamp(34px, 6vw, 62px);
  font-weight: 600;
  letter-spacing: -0.055em;
  line-height: 1;
}

.terminal-intro {
  max-width: 700px;
  margin: 24px 0 18px;
  color: var(--muted);
  font-size: clamp(15px, 2vw, 18px);
  line-height: 1.65;
}

.terminal-line {
  margin: 8px 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
}

.terminal-command {
  margin-top: 22px;
  color: var(--text);
}

.terminal-result {
  color: var(--muted);
}

.terminal-section-title {
  color: var(--prompt);
  font-weight: 600;
}

.terminal-result > span {
  color: var(--prompt);
}

.terminal-result a {
  color: var(--link);
  text-decoration: none;
}

.terminal-result a:hover {
  color: var(--link-hover);
  text-decoration: underline;
}

.terminal-error {
  color: #ff756d;
}

.terminal-fun {
  color: var(--prompt);
  font-weight: 600;
}

.terminal-hint {
  color: var(--muted);
}

.terminal-status {
  display: flex;
  align-items: center;
  gap: 9px;
  min-height: 28px;
  margin: 8px 0;
  color: var(--muted);
  font-size: 14px;
}

.status-sparkle {
  color: var(--prompt);
  animation: status-pulse 900ms ease-in-out infinite alternate;
}

.status-dots {
  display: inline-flex;
  gap: 3px;
}

.status-dots i {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: currentColor;
  animation: status-dot 900ms ease-in-out infinite;
}

.status-dots i:nth-child(2) {
  animation-delay: 120ms;
}

.status-dots i:nth-child(3) {
  animation-delay: 240ms;
}

.is-streaming::after {
  display: inline-block;
  width: 0.58em;
  height: 1em;
  margin-left: 0.15em;
  background: var(--prompt);
  content: "";
  vertical-align: -0.12em;
  animation: terminal-cursor 700ms steps(1) infinite;
}

.command-palette {
  flex: 0 0 auto;
  max-height: 264px;
  margin-top: 14px;
  padding: 6px;
  overflow-y: auto;
  border: 1px solid var(--button-border);
  border-radius: 8px;
  background: var(--titlebar);
  box-shadow: 0 16px 40px rgb(0 0 0 / 25%);
}

.command-palette[hidden] {
  display: none;
}

.command-option {
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr);
  width: 100%;
  padding: 9px 11px;
  border: 0;
  border-radius: 5px;
  background: transparent;
  color: var(--text);
  cursor: pointer;
  text-align: left;
}

.command-option strong {
  color: var(--link);
  font-size: 13px;
  font-weight: 500;
}

.command-option span {
  color: var(--muted);
  font-size: 12px;
}

.command-option:hover,
.command-option.is-selected {
  background: var(--button);
}

.terminal-prompt {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
  margin-top: 18px;
  padding: 10px 12px;
  border: 1px solid var(--button-border);
  border-radius: 8px;
  background: color-mix(in srgb, var(--window) 88%, var(--button));
}

.terminal-prompt > span {
  color: var(--prompt);
}

.terminal-prompt input {
  min-width: 0;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--text);
  font: inherit;
}

.terminal-prompt input::placeholder {
  color: var(--muted);
  opacity: 0.7;
}

.command-hint {
  color: var(--muted) !important;
  font: 11px/1 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  white-space: nowrap;
}

.command-hint kbd {
  display: inline-grid;
  width: 20px;
  height: 20px;
  margin-right: 4px;
  place-items: center;
  border: 1px solid var(--button-border);
  border-radius: 4px;
  background: var(--button);
  color: var(--text);
  font-family: inherit;
  font-size: 12px;
  line-height: 1;
  box-shadow: 0 1px 0 var(--button-border);
}

.terminal-prompt button {
  padding: 2px 6px;
  border: 0;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
}

.terminal-prompt:focus-within {
  border-color: var(--link);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--link) 18%, transparent);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--link);
  outline-offset: 3px;
}

dialog {
  width: min(560px, calc(100% - 40px));
  padding: 0;
  border: 1px solid var(--window-border);
  border-radius: 10px;
  background: var(--dialog);
  color: var(--text);
  box-shadow: 0 30px 90px rgb(0 0 0 / 45%);
}

dialog::backdrop {
  background: rgb(0 0 0 / 55%);
  backdrop-filter: blur(4px);
}

.dialog-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--window-border);
  background: var(--titlebar);
}

h2 {
  margin: 0;
  font-size: 15px;
  font-weight: 500;
}

.dialog-header button {
  padding: 5px 9px;
  border: 1px solid var(--button-border);
  border-radius: 5px;
  background: var(--button);
  color: var(--muted);
  cursor: pointer;
}

dialog p {
  margin: 0;
  padding: 24px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.65;
}

@keyframes terminal-focus {
  from {
    opacity: 0;
    filter: blur(14px);
    transform: scale(0.985);
  }
  to {
    opacity: 1;
    filter: blur(0);
    transform: scale(1);
  }
}

@keyframes terminal-cursor {
  50% {
    opacity: 0;
  }
}

@keyframes terminal-fall {
  0% {
    opacity: 1;
    transform: translateY(0) rotate(0);
  }
  72% {
    opacity: 1;
    transform: translateY(72vh) rotate(4deg);
  }
  100% {
    opacity: 0;
    transform: translateY(118vh) rotate(8deg);
  }
}

@keyframes retro-drop {
  from {
    transform: translateY(-100%);
  }
  to {
    transform: translateY(0);
  }
}

@keyframes status-pulse {
  from {
    opacity: 0.45;
    transform: scale(0.85) rotate(-8deg);
  }
  to {
    opacity: 1;
    transform: scale(1.08) rotate(8deg);
  }
}

@keyframes status-dot {
  0%,
  70%,
  100% {
    opacity: 0.3;
    transform: translateY(0);
  }
  35% {
    opacity: 1;
    transform: translateY(-3px);
  }
}

@media (max-width: 680px) {
  .modern-stage {
    padding: 10px;
  }

  .terminal-window {
    min-height: calc(100svh - 20px);
    border-radius: 9px;
  }

  .terminal-content {
    padding: 42px 22px;
  }

  .command-hint {
    display: none;
  }

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

  .command-option {
    grid-template-columns: 90px minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .terminal-window,
  .terminal-window.is-falling,
  .retro-stage.is-active {
    animation: none;
  }

  .retro-stage.is-active {
    transform: translateY(0);
  }

  .command-option {
    transition: none;
  }

  .is-streaming::after,
  .status-sparkle,
  .status-dots i {
    animation: none;
  }
}