:root {
  color-scheme: dark;
  --bg: #020504;
  --panel: rgba(2, 9, 9, 0.94);
  --green: #52ff9a;
  --green-dim: #1ebf68;
  --cyan: #45d9ff;
  --amber: #ffbd4a;
  --red: #ff3b54;
  --text: #c8ffe1;
  --muted: #6ea58e;
  --shadow: rgba(82, 255, 154, 0.32);
  --font: "Courier New", "Nimbus Mono PS", "Liberation Mono", monospace;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  overflow: hidden;
  background:
    radial-gradient(circle at 20% 0%, rgba(69, 217, 255, 0.12), transparent 32rem),
    radial-gradient(circle at 80% 20%, rgba(255, 59, 84, 0.08), transparent 28rem),
    var(--bg);
  color: var(--text);
  font-family: var(--font);
}

body::before,
body::after {
  position: fixed;
  inset: 0;
  pointer-events: none;
  content: "";
  z-index: 10;
}

body::before {
  background:
    repeating-linear-gradient(
      to bottom,
      rgba(255, 255, 255, 0.035) 0,
      rgba(255, 255, 255, 0.035) 1px,
      transparent 1px,
      transparent 4px
    );
  mix-blend-mode: screen;
  opacity: 0.55;
}

body::after {
  background:
    linear-gradient(90deg, rgba(255, 0, 0, 0.025), rgba(0, 255, 255, 0.025)),
    radial-gradient(circle at center, transparent 45%, rgba(0, 0, 0, 0.48));
  animation: screen-flicker 7s infinite steps(1, end);
}

a {
  color: var(--cyan);
  text-decoration: none;
}

a:hover {
  color: var(--green);
}

.terminal-shell {
  display: grid;
  min-height: 100svh;
  padding: clamp(0.75rem, 3vw, 1.5rem);
  place-items: center;
}

.terminal {
  position: relative;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto auto auto;
  width: min(430px, 86vw, calc((100svh - 3rem) * 0.5625));
  height: min(calc(100svh - 3rem), 760px);
  min-height: 560px;
  overflow: hidden;
  border: 1px solid rgba(82, 255, 154, 0.42);
  border-radius: 8px;
  background: var(--panel);
  box-shadow:
    0 0 24px rgba(82, 255, 154, 0.12),
    inset 0 0 48px rgba(69, 217, 255, 0.05);
}

.terminal::before {
  position: absolute;
  inset: -50%;
  content: "";
  background-image:
    radial-gradient(circle, rgba(255, 255, 255, 0.12) 0 1px, transparent 1px);
  background-size: 3px 3px;
  opacity: 0.08;
  animation: noise 800ms infinite steps(2, end);
  pointer-events: none;
}

.terminal::after {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  box-shadow: inset 0 0 90px rgba(82, 255, 154, 0.08);
  content: "";
  pointer-events: none;
}

.terminal--compact {
  height: auto;
  min-height: 360px;
}

.terminal__header {
  display: flex;
  align-items: center;
  min-height: 42px;
  gap: 0.5rem;
  padding: 0 1rem;
  border-bottom: 1px solid rgba(82, 255, 154, 0.22);
  background: rgba(3, 18, 17, 0.92);
}

.terminal__light {
  width: 0.68rem;
  height: 0.68rem;
  border-radius: 999px;
}

.terminal__light--red {
  background: var(--red);
  box-shadow: 0 0 10px rgba(255, 59, 84, 0.65);
}

.terminal__light--amber {
  background: var(--amber);
  box-shadow: 0 0 10px rgba(255, 189, 74, 0.55);
}

.terminal__light--green {
  background: var(--green);
  box-shadow: 0 0 10px rgba(82, 255, 154, 0.55);
}

.terminal__title {
  margin-left: 0.45rem;
  color: var(--muted);
  font-size: 0.78rem;
  letter-spacing: 0;
  white-space: nowrap;
}

.terminal__screen {
  position: relative;
  z-index: 1;
  overflow-y: auto;
  padding: clamp(1rem, 2vw, 1.5rem);
  text-shadow: 0 0 8px var(--shadow);
  scrollbar-color: var(--green-dim) transparent;
}

.terminal__screen--static {
  min-height: 300px;
}

.line {
  margin: 0 0 0.42rem;
  min-height: 1.15rem;
  color: var(--text);
  font-size: clamp(0.78rem, 1.35vw, 0.88rem);
  line-height: 1.45;
  overflow-wrap: anywhere;
}

.ascii-frame {
  margin: 0.65rem 0;
  padding: 0.55rem 0.45rem;
  border: 1px solid rgba(69, 217, 255, 0.24);
  background: rgba(69, 217, 255, 0.035);
  color: var(--green);
  font: 700 clamp(0.68rem, 1.18vw, 0.76rem) / 1.08 var(--font);
  overflow: hidden;
  text-shadow:
    0 0 6px rgba(82, 255, 154, 0.32),
    1px 0 0 rgba(69, 217, 255, 0.16);
  white-space: pre;
}

.ascii-frame--paused {
  border-color: rgba(255, 189, 74, 0.38);
  color: var(--amber);
}

.line--input {
  color: var(--cyan);
}

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

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

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

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

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

.line--glitch {
  animation: glitch-flash 950ms ease-in-out 1;
}

.audio-panel {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.75rem;
  padding: 0.7rem clamp(1rem, 2vw, 1.5rem);
  border-top: 1px solid rgba(69, 217, 255, 0.16);
  background: rgba(2, 15, 15, 0.88);
}

.audio-panel__status {
  display: flex;
  min-width: 0;
  gap: 0.75rem;
  color: var(--muted);
  font-size: 0.72rem;
  line-height: 1.35;
  text-shadow: 0 0 8px rgba(69, 217, 255, 0.18);
}

.audio-panel__status span {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.audio-panel__status span:first-child {
  color: var(--amber);
}

.audio-panel__button {
  min-height: 34px;
  border: 1px solid rgba(82, 255, 154, 0.42);
  border-radius: 6px;
  background: rgba(82, 255, 154, 0.08);
  color: var(--green);
  cursor: pointer;
  font: 700 0.72rem var(--font);
  letter-spacing: 0;
  text-shadow: 0 0 8px var(--shadow);
}

.audio-panel__button:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}

.audio-panel__button:active {
  transform: translateY(1px);
}

.terminal__form {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.55rem;
  padding: 0.85rem clamp(1rem, 2vw, 1.5rem) 1rem;
  border-top: 1px solid rgba(82, 255, 154, 0.22);
  background: rgba(1, 12, 11, 0.9);
}

.prompt {
  color: var(--green);
  font-size: clamp(0.82rem, 1.7vw, 0.95rem);
  white-space: nowrap;
  text-shadow: 0 0 8px var(--shadow);
}

.terminal__input {
  width: 100%;
  min-width: 0;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--text);
  caret-color: transparent;
  font: inherit;
  font-size: 1rem;
}

.cursor {
  width: 0.6rem;
  height: 1.1rem;
  background: var(--green);
  box-shadow: 0 0 12px var(--shadow);
  animation: blink 950ms steps(1, end) infinite;
}

.quick-commands {
  position: relative;
  z-index: 2;
  display: none;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.45rem;
  padding: 0 1rem 1rem;
  background: rgba(1, 12, 11, 0.9);
}

.quick-commands button {
  min-height: 42px;
  border: 1px solid rgba(69, 217, 255, 0.36);
  border-radius: 6px;
  background: rgba(69, 217, 255, 0.08);
  color: var(--cyan);
  font: 700 0.75rem var(--font);
  letter-spacing: 0;
  text-shadow: 0 0 8px rgba(69, 217, 255, 0.28);
}

.quick-commands button:active {
  transform: translateY(1px);
  border-color: var(--green);
  color: var(--green);
}

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

@keyframes blink {
  0%,
  49% {
    opacity: 1;
  }

  50%,
  100% {
    opacity: 0;
  }
}

@keyframes noise {
  0% {
    transform: translate3d(0, 0, 0);
  }

  100% {
    transform: translate3d(3%, -2%, 0);
  }
}

@keyframes screen-flicker {
  0%,
  92%,
  100% {
    opacity: 0.88;
  }

  93% {
    opacity: 0.7;
  }

  94% {
    opacity: 0.95;
  }
}

@keyframes glitch-flash {
  0% {
    transform: translateX(0);
    opacity: 1;
  }

  25% {
    transform: translateX(2px);
    opacity: 0.78;
  }

  50% {
    transform: translateX(-1px);
    opacity: 1;
  }

  100% {
    transform: translateX(0);
    opacity: 1;
  }
}

@media (max-width: 680px) {
  body {
    overflow: hidden;
  }

  .terminal-shell {
    align-items: stretch;
    padding: 1rem 10vw;
  }

  .terminal {
    width: 100%;
    height: calc(100svh - 2rem);
    min-height: 0;
    border-width: 1px;
    border-radius: 8px;
  }

  .terminal__header {
    min-height: 38px;
    padding-inline: 0.85rem;
  }

  .terminal__title {
    max-width: calc(100vw - 5rem);
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .terminal__screen {
    padding: 0.75rem 0.65rem;
  }

  .line {
    font-size: clamp(0.69rem, 2.85vw, 0.76rem);
    line-height: 1.38;
  }

  .ascii-frame {
    padding: 0.45rem 0.35rem;
    font-size: clamp(0.55rem, 2.18vw, 0.62rem);
  }

  .audio-panel {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 0.5rem;
    padding: 0.55rem 0.85rem;
  }

  .audio-panel__status {
    display: grid;
    gap: 0.18rem;
    font-size: 0.64rem;
  }

  .audio-panel__button {
    min-width: 76px;
    min-height: 38px;
    padding-inline: 0.55rem;
    font-size: 0.66rem;
  }

  .terminal__form {
    grid-template-columns: 1fr auto;
    gap: 0.35rem;
    padding: 0.68rem 0.65rem 0.6rem;
  }

  .prompt {
    grid-column: 1 / -1;
    font-size: 0.78rem;
  }

  .terminal__input {
    min-height: 42px;
    font-size: 16px;
  }

  .quick-commands {
    display: grid;
  }
}