:root {
  color-scheme: dark;
  --black: #000;
  --white: #f7f7f7;
  --soft: #b7b7b7;
  --dim: #686868;
  --line: #202020;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
  margin: 0;
  background: var(--black);
  color: var(--white);
}

body {
  min-height: 100svh;
  font-family: var(--sans);
  letter-spacing: 0;
  overflow-x: hidden;
}

button,
input {
  font: inherit;
}

button {
  color: inherit;
  cursor: pointer;
}

.page-shell {
  width: min(1600px, calc(100vw - 64px));
  min-height: 100svh;
  margin: 0 auto;
  padding: 28px 0;
  display: grid;
  grid-template-rows: auto 1fr;
  gap: 28px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 28px;
  align-items: end;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
  animation: riseIn 520ms ease both;
}

.kicker {
  margin: 0;
  color: var(--dim);
  font-family: var(--mono);
  font-size: 0.85rem;
}

h1 {
  max-width: 760px;
  margin: 8px 0 0;
  color: var(--soft);
  font-size: 1.08rem;
  line-height: 1.45;
  font-weight: 400;
  letter-spacing: 0;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 18px;
}

.open-button,
.github-link {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0 16px;
  background: transparent;
  color: var(--white);
  font-family: var(--mono);
  font-size: 0.86rem;
  text-decoration: none;
  transition: border-color 180ms ease, color 180ms ease, transform 180ms ease;
}

.github-link {
  color: var(--dim);
}

.open-button:hover,
.github-link:hover {
  border-color: var(--soft);
  color: var(--white);
  transform: translateY(-1px);
}

.subline {
  margin: 0;
  color: var(--dim);
  font-size: 0.95rem;
  line-height: 1.55;
  text-align: right;
  white-space: nowrap;
}

.inline-command,
.hint-row button,
.command-rail button {
  border: 0;
  padding: 0;
  background: transparent;
  color: var(--white);
  font-family: var(--mono);
  text-decoration: underline;
  text-decoration-color: var(--dim);
  text-underline-offset: 4px;
}

.inline-command:hover,
.hint-row button:hover,
.command-rail button:hover {
  color: var(--soft);
}

.workspace {
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(190px, 0.24fr);
  grid-template-rows: auto auto;
  gap: 16px 32px;
  align-content: start;
  animation: riseIn 420ms ease both;
}

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

.terminal-open {
  min-height: 100svh;
}

.terminal-closed .workspace {
  display: none;
}

.terminal-open .home-block {
  display: none;
}

.home-block {
  min-height: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  max-width: 980px;
  animation: riseIn 620ms ease both;
}

.home-block p {
  max-width: 980px;
  margin: 0;
  color: var(--soft);
  font-size: 3.35rem;
  line-height: 1.02;
  font-weight: 700;
}

.home-block button,
.home-commands button {
  border: 0;
  padding: 0;
  background: transparent;
  color: var(--white);
  text-decoration: underline;
  text-decoration-color: var(--dim);
  text-underline-offset: 7px;
}

.home-block p button {
  font: inherit;
  font-weight: inherit;
}

.home-commands {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 22px;
  margin-top: 34px;
  font-family: var(--mono);
  font-size: 0.92rem;
}

.side-rail {
  min-height: 0;
  overflow: hidden;
  font-family: var(--mono);
}

.rail-label {
  margin: 0 0 20px;
  color: var(--dim);
  font-size: 0.78rem;
}

.command-rail {
  grid-column: 1 / -1;
  display: flex;
  gap: 10px 18px;
  overflow-x: auto;
  border: 0;
  border-bottom: 1px solid var(--line);
  padding: 0 0 13px;
}

.command-rail button {
  display: inline-block;
  width: auto;
  flex: 0 0 auto;
  padding: 0;
  border: 0;
  text-align: left;
  font-size: 0.92rem;
  text-decoration: none;
}

.notes-rail {
  grid-column: 2;
  grid-row: 2;
  border-left: 1px solid var(--line);
  padding-left: 22px;
}

.note-block {
  padding: 0 0 24px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--line);
}

.note-block span {
  display: block;
  margin-bottom: 8px;
  color: var(--dim);
  font-size: 0.78rem;
}

.note-block strong {
  color: var(--soft);
  font-size: 0.92rem;
  font-weight: 500;
  line-height: 1.75;
}

.rail-link,
.output-link {
  color: var(--white);
  text-decoration: underline;
  text-decoration-color: var(--dim);
  text-underline-offset: 4px;
}

.typing-space {
  grid-column: 1;
  grid-row: 2;
  min-height: 0;
  display: grid;
  grid-template-rows: auto auto auto auto;
  gap: 12px;
}

.output-stream {
  min-height: 0;
  max-height: min(56svh, 620px);
  overflow-y: auto;
  padding: 2px 8px 12px 0;
  font-family: var(--mono);
  font-size: 0.96rem;
  line-height: 1.68;
  scrollbar-width: thin;
  scrollbar-color: var(--dim) transparent;
}

.output-stream::-webkit-scrollbar {
  width: 8px;
}

.output-stream::-webkit-scrollbar-thumb {
  background: var(--dim);
}

.line {
  margin: 0 0 14px;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  animation: lineIn 180ms ease both;
}

.line.command {
  color: var(--white);
}

.line.dim {
  color: var(--dim);
}

.line.error {
  color: #ff6b6b;
}

.accent-cyan,
.accent-amber,
.accent-green {
  color: var(--white);
}

.output-block {
  margin: 0 0 22px;
  color: var(--soft);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.output-block strong {
  color: var(--white);
  font-weight: 600;
}

.command-grid,
.card-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: 34px;
  margin: 0 0 24px;
  border-top: 1px solid var(--line);
}

.command-item,
.project-card {
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.command-name {
  color: var(--white);
  font-weight: 600;
}

.command-desc {
  display: block;
  margin-top: 3px;
  color: var(--dim);
  font-size: 0.88rem;
}

.project-card h3 {
  margin: 0 0 6px;
  color: var(--white);
  font-size: 1rem;
  font-weight: 600;
}

.project-card p {
  margin: 0 0 10px;
  color: var(--soft);
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tag {
  color: var(--dim);
  font-size: 0.78rem;
}

.tag::before {
  content: "#";
}

.nano-window {
  margin: 0 0 24px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  color: var(--soft);
  animation: lineIn 220ms ease both;
}

.nano-bar,
.nano-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 8px 0;
  color: var(--dim);
}

.nano-bar span {
  color: var(--white);
}

.nano-window pre {
  margin: 0;
  padding: 18px 0;
  color: var(--white);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.game-card {
  margin: 0 0 24px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 14px 0;
  color: var(--soft);
  animation: lineIn 220ms ease both;
}

.game-card p {
  margin: 0 0 12px;
}

.game-card strong,
.game-target {
  color: var(--white);
}

.game-card ol {
  margin: 12px 0;
  padding-left: 22px;
}

.game-card li {
  margin: 6px 0;
}

.typing-row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-family: var(--mono);
}

.prompt {
  color: var(--white);
}

#terminalInput {
  width: 100%;
  min-width: 0;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--white);
  caret-color: var(--white);
}

#terminalInput::placeholder {
  color: var(--dim);
}

.send-button {
  border: 0;
  padding: 0;
  background: transparent;
  color: var(--dim);
  font-family: var(--mono);
}

.send-button:hover {
  color: var(--white);
}

.hint-row {
  display: flex;
  flex-wrap: wrap;
  gap: 11px 18px;
  color: var(--dim);
  font-family: var(--mono);
  font-size: 0.82rem;
}

.hint-row::before {
  content: "quick:";
  color: var(--dim);
}

.game-timer {
  display: none;
  min-height: 18px;
  color: var(--dim);
  font-family: var(--mono);
  font-size: 0.82rem;
}

.game-timer.active {
  display: block;
  color: var(--white);
}

.type-cursor::after {
  content: "_";
  margin-left: 3px;
  color: var(--white);
  animation: blink 1s steps(1) infinite;
}

@keyframes blink {
  50% {
    opacity: 0;
  }
}

@keyframes riseIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes lineIn {
  from {
    opacity: 0;
    transform: translateY(4px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 980px) and (min-width: 701px) {
  .page-shell {
    width: min(100vw - 28px, 1600px);
    min-height: 100svh;
    padding: 22px 0;
    gap: 20px;
  }

  .home-block p {
    font-size: 2.55rem;
    line-height: 1.06;
  }

  .hero {
    grid-template-columns: 1fr auto;
    gap: 20px;
  }

  .workspace {
    grid-template-columns: 1fr;
    grid-template-rows: auto minmax(0, 1fr);
    gap: 14px;
  }

  .notes-rail {
    display: none;
  }

  .command-grid,
  .card-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 700px) {
  .page-shell {
    width: min(100vw - 28px, 1600px);
    min-height: 100svh;
    padding: 22px 0;
    gap: 20px;
  }

  .hero {
    grid-template-columns: 1fr;
    gap: 10px;
    align-items: start;
  }

  .hero-actions {
    justify-content: flex-start;
    flex-wrap: wrap;
  }

  .subline {
    text-align: left;
    white-space: normal;
  }

  .home-block p {
    font-size: 2.05rem;
    line-height: 1.07;
  }

  .home-commands {
    margin-top: 24px;
  }

  .workspace {
    min-height: 0;
    grid-template-columns: 1fr;
    grid-template-rows: auto auto;
    gap: 22px;
  }

  .command-rail,
  .notes-rail {
    border: 0;
    padding: 0;
  }

  .command-rail {
    display: flex;
    gap: 10px 18px;
  }

  .command-rail button {
    padding: 9px 0;
  }

  .command-rail .rail-label {
    grid-column: 1 / -1;
    margin-bottom: 8px;
  }

  .notes-rail {
    display: none;
  }

  .typing-space {
    min-height: 0;
  }
}

@media (max-width: 560px) {
  .page-shell {
    width: min(100vw - 22px, 1600px);
    padding: 18px 0;
  }

  .home-block p {
    font-size: 1.58rem;
    line-height: 1.12;
  }

  .output-stream {
    min-height: 0;
    max-height: 52svh;
  }

  .command-grid,
  .card-grid {
    grid-template-columns: 1fr;
  }

  .typing-row {
    grid-template-columns: auto 1fr;
  }

  .send-button {
    grid-column: 2;
    justify-self: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}