:root {
  color-scheme: dark;
  --bg: #050809;
  --glass: rgba(11, 18, 19, 0.69);
  --glass-light: rgba(255, 255, 255, 0.055);
  --line: rgba(188, 255, 243, 0.18);
  --text: #ecf8f5;
  --muted: #79908b;
  --cyan: #60f5d2;
  --lime: #b5ff62;
  --mx: 50%;
  --my: 50%;
}

* {
  box-sizing: border-box;
  letter-spacing: 0;
}

html,
body {
  min-block-size: 100%;
}

body {
  min-block-size: 100vh;
  min-block-size: 100svh;
  margin: 0;
  overflow: hidden;
  background:
    radial-gradient(circle at 18% 10%, rgba(67, 156, 139, 0.09), transparent 32rem),
    radial-gradient(circle at 86% 88%, rgba(164, 255, 81, 0.045), transparent 28rem),
    var(--bg);
  color: var(--text);
  font-family: "Cascadia Code", "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, transparent, black 18%, black 82%, transparent);
  content: "";
}

.ambient {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background: radial-gradient(circle 22rem at var(--mx) var(--my), rgba(96, 245, 210, 0.07), transparent 70%);
}

.shell {
  display: grid;
  min-block-size: 100vh;
  min-block-size: 100svh;
  place-items: center;
  padding: clamp(18px, 4vw, 56px);
}

.terminal {
  position: relative;
  inline-size: min(920px, 100%);
  min-block-size: min(680px, calc(100svh - clamp(36px, 8vw, 112px)));
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--glass);
  box-shadow:
    0 40px 100px rgba(0, 0, 0, 0.55),
    0 0 0 1px rgba(255, 255, 255, 0.025) inset,
    0 0 70px rgba(96, 245, 210, 0.07);
  backdrop-filter: blur(28px) saturate(125%);
}

.terminal::before {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(120deg, rgba(255, 255, 255, 0.045), transparent 28%);
  pointer-events: none;
  content: "";
}

.terminal::after {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  box-shadow:
    1px 0 rgba(181, 255, 98, 0.22) inset,
    -1px 0 rgba(96, 245, 210, 0.13) inset,
    0 1px rgba(255, 255, 255, 0.14) inset;
  pointer-events: none;
  content: "";
}

.terminal__bar {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  min-block-size: 58px;
  padding-inline: 22px;
  border-block-end: 1px solid rgba(188, 255, 243, 0.1);
  background: rgba(255, 255, 255, 0.018);
  color: var(--muted);
  font-size: 0.68rem;
}

.terminal__controls {
  display: flex;
  gap: 8px;
}

.terminal__controls span {
  inline-size: 8px;
  block-size: 8px;
  border: 1px solid rgba(236, 248, 245, 0.22);
  border-radius: 50%;
  background: rgba(236, 248, 245, 0.07);
}

.terminal__path {
  text-transform: lowercase;
}

.terminal__signal {
  justify-self: end;
  text-transform: uppercase;
}

.terminal__signal i {
  display: inline-block;
  inline-size: 6px;
  block-size: 6px;
  margin-inline-end: 7px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 12px var(--lime);
}

.terminal__body {
  position: relative;
  z-index: 1;
  display: flex;
  min-block-size: calc(min(680px, calc(100svh - clamp(36px, 8vw, 112px))) - 59px);
  flex-direction: column;
  padding: clamp(32px, 6vw, 70px);
}

.boot {
  margin: 0 0 20px;
  color: var(--muted);
  font-size: 0.72rem;
}

.boot span,
.prompt {
  color: var(--cyan);
}

h1 {
  margin: 0;
  color: #a9c2bc;
  font-family: Inter, ui-sans-serif, system-ui, sans-serif;
  font-size: clamp(1.65rem, 3.5vw, 2.65rem);
  font-weight: 680;
  line-height: 0.88;
}

h1 span {
  color: transparent;
  background: linear-gradient(100deg, var(--cyan), var(--lime));
  background-clip: text;
  -webkit-background-clip: text;
  text-shadow: 0 0 40px rgba(96, 245, 210, 0.13);
}

.descriptor {
  margin: 22px 0 0;
  color: #a8bbb6;
  font-size: clamp(0.68rem, 1.7vw, 0.84rem);
  text-transform: uppercase;
}

.descriptor i {
  margin-inline: 8px;
  color: #3b504b;
  font-style: normal;
}

.commands {
  display: grid;
  margin-block: clamp(38px, 7vh, 72px) auto;
  border-block-start: 1px solid rgba(188, 255, 243, 0.1);
}

.commands a,
.command-row {
  display: grid;
  grid-template-columns: minmax(150px, 0.8fr) 1fr auto;
  gap: 18px;
  align-items: center;
  min-block-size: 58px;
  padding-inline: 12px;
  border-block-end: 1px solid rgba(188, 255, 243, 0.1);
  color: inherit;
  font: inherit;
  text-align: start;
  text-decoration: none;
  transition: background 180ms ease, color 180ms ease, padding 180ms ease;
}

.command-row {
  inline-size: 100%;
  border: 0;
  border-block-end: 1px solid rgba(188, 255, 243, 0.1);
  background: transparent;
  cursor: pointer;
}

.commands a:hover,
.commands a:focus-visible,
.commands a.is-running,
.command-row:hover,
.command-row:focus-visible,
.command-row[aria-expanded="true"] {
  padding-inline: 18px;
  outline: 0;
  background: linear-gradient(90deg, rgba(96, 245, 210, 0.08), transparent 80%);
}

.commands a.is-running {
  color: var(--cyan);
  pointer-events: none;
}

.command {
  font-size: 0.86rem;
}

.command b {
  margin-inline-end: 8px;
  color: var(--cyan);
  font-weight: 400;
}

.command__meta {
  color: var(--muted);
  font-size: 0.67rem;
  text-transform: uppercase;
}

.command__arrow {
  color: #526762;
  transition: color 180ms ease, transform 180ms ease;
}

.commands a:hover .command__arrow,
.commands a:focus-visible .command__arrow,
.command-row:hover .command__arrow,
.command-row:focus-visible .command__arrow {
  color: var(--lime);
  transform: translateY(2px);
}

.command-row[aria-expanded="true"] .command__arrow {
  color: var(--cyan);
  transform: rotate(45deg);
}

.command-row.is-running {
  padding-inline: 18px;
  color: var(--cyan);
  pointer-events: none;
  background: linear-gradient(90deg, rgba(96, 245, 210, 0.08), transparent 80%);
}

.subcommands {
  overflow: hidden;
  border-inline-start: 1px solid rgba(96, 245, 210, 0.18);
  margin-inline-start: 24px;
}

.subcommands[hidden] {
  display: none;
}

.subcommands a {
  min-block-size: 50px;
  padding-inline-start: 18px;
  color: #a9bbb7;
}

.subcommands.is-animating {
  pointer-events: none;
}

.subcommands .command {
  font-size: 0.76rem;
}

.terminal__footer {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-block-start: auto;
  color: var(--muted);
  font-size: 0.66rem;
}

.terminal__footer p {
  margin: 0;
}

.terminal-log {
  display: grid;
  min-block-size: 5.2em;
  align-content: end;
  gap: 4px;
}

.terminal-log p:not(:first-child) {
  padding-inline-start: 1.2em;
  color: #758a85;
}

.terminal-log p.is-ok {
  color: var(--lime);
}

.cursor {
  display: inline-block;
  inline-size: 7px;
  block-size: 1em;
  margin-inline-start: 5px;
  vertical-align: -2px;
  background: var(--lime);
  box-shadow: 0 0 4px rgba(181, 255, 98, 0.34);
  animation: blink 1s steps(1) infinite;
}

.coordinates {
  color: #435651;
}

.key-dialog {
  inline-size: min(620px, calc(100vw - 32px));
  max-block-size: min(520px, calc(100svh - 32px));
  padding: 0;
  overflow: hidden;
  border: 1px solid rgba(96, 245, 210, 0.32);
  border-radius: 18px;
  background: rgba(8, 15, 16, 0.92);
  color: var(--text);
  box-shadow:
    0 30px 90px rgba(0, 0, 0, 0.72),
    0 0 45px rgba(96, 245, 210, 0.11),
    1px 0 rgba(181, 255, 98, 0.24) inset;
  font-family: inherit;
  backdrop-filter: blur(28px) saturate(125%);
}

.key-dialog[open] {
  animation: dialog-in 260ms cubic-bezier(.2,.8,.2,1) both;
}

.key-dialog::backdrop {
  background: rgba(2, 5, 6, 0.68);
  backdrop-filter: blur(5px);
}

.key-dialog__bar {
  display: flex;
  min-block-size: 48px;
  align-items: center;
  justify-content: space-between;
  padding-inline: 18px 10px;
  border-block-end: 1px solid rgba(188, 255, 243, 0.12);
  color: var(--muted);
  font-size: 0.68rem;
}

.key-dialog__close {
  display: grid;
  inline-size: 34px;
  block-size: 34px;
  place-items: center;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
  font: 1.15rem/1 inherit;
  cursor: pointer;
}

.key-dialog__close:hover,
.key-dialog__close:focus-visible {
  outline: 0;
  background: rgba(96, 245, 210, 0.08);
  color: var(--cyan);
}

.key-dialog__body {
  padding: 24px;
}

.key-dialog__label {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 0.72rem;
}

.key-dialog__label span {
  color: var(--cyan);
}

.key-dialog__value {
  display: block;
  inline-size: 100%;
  min-block-size: 150px;
  resize: none;
  border: 1px solid rgba(188, 255, 243, 0.14);
  border-radius: 8px;
  padding: 14px;
  background: rgba(0, 0, 0, 0.24);
  color: #9fb6b0;
  font: 0.72rem/1.65 inherit;
  overflow-wrap: anywhere;
}

.key-dialog__value:focus {
  outline: 1px solid rgba(96, 245, 210, 0.42);
}

.key-dialog__actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-block-start: 16px;
  color: var(--muted);
  font-size: 0.68rem;
}

.key-dialog__actions button {
  min-inline-size: 88px;
  min-block-size: 38px;
  border: 1px solid rgba(96, 245, 210, 0.24);
  border-radius: 7px;
  background: rgba(96, 245, 210, 0.07);
  color: var(--cyan);
  font: inherit;
  cursor: pointer;
}

.key-dialog__actions button:hover,
.key-dialog__actions button:focus-visible {
  outline: 0;
  border-color: rgba(181, 255, 98, 0.48);
  color: var(--lime);
  box-shadow: 0 0 20px rgba(96, 245, 210, 0.08);
}

@keyframes dialog-in {
  from { opacity: 0; transform: translateY(10px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

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

@media (max-width: 620px) {
  .shell { padding: 12px; }
  .terminal { min-block-size: calc(100svh - 24px); border-radius: 22px; }
  .terminal__bar { min-block-size: 50px; padding-inline: 16px; }
  .terminal__body { min-block-size: calc(100svh - 75px); padding: 36px 22px 26px; }
  .terminal__path { display: none; }
  .terminal__bar { grid-template-columns: 1fr 1fr; }
  h1 { font-size: clamp(1.7rem, 8vw, 2.25rem); }
  .descriptor { line-height: 1.8; }
  .commands a, .command-row { grid-template-columns: 1fr auto; min-block-size: 64px; }
  .subcommands a { min-block-size: 54px; }
  .command__meta { display: none; }
  .coordinates { display: none; }
  .key-dialog__body { padding: 18px; }
  .key-dialog__value { min-block-size: 190px; font-size: 0.66rem; }
}

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