:root {
  --bg: #04080c;
  --panel: rgba(8, 18, 26, 0.85);
  --line: rgba(34, 211, 238, 0.25);
  --accent: #22d3ee;
  --accent-soft: rgba(34, 211, 238, 0.12);
  --mint: #5eead4;
  --text: #cdeff5;
  --muted: #5f8a96;
  --danger: #fb7185;
  --font: ui-monospace, 'Cascadia Mono', 'SF Mono', Menlo, Consolas, 'Liberation Mono', monospace;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  display: grid;
  place-items: center;
  min-height: 100vh;
  padding: 1.5rem;
  background:
    radial-gradient(ellipse at 50% 120%, rgba(34, 211, 238, 0.14), transparent 60%),
    radial-gradient(ellipse at 50% -20%, rgba(94, 234, 212, 0.08), transparent 55%),
    var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 15px;
  letter-spacing: 0.04em;
  position: relative;
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0.025) 0px,
    rgba(255, 255, 255, 0.025) 1px,
    transparent 1px,
    transparent 3px
  );
  z-index: 2;
}

body::after {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: 0.18;
  mask-image: radial-gradient(ellipse at center, black 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 20%, transparent 75%);
  z-index: 0;
}

.console {
  position: relative;
  z-index: 1;
  width: min(100%, 26rem);
  padding: 2rem 1.75rem;
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow:
    0 0 0 1px rgba(4, 8, 12, 0.9),
    0 0 40px rgba(34, 211, 238, 0.08),
    inset 0 0 60px rgba(34, 211, 238, 0.03);
  backdrop-filter: blur(6px);
}

.console::before,
.console::after {
  content: '';
  position: absolute;
  width: 14px;
  height: 14px;
  border-color: var(--accent);
  border-style: solid;
}

.console::before {
  top: -1px;
  left: -1px;
  border-width: 2px 0 0 2px;
}

.console::after {
  right: -1px;
  bottom: -1px;
  border-width: 0 2px 2px 0;
}

.console-header {
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 0.75rem;
  align-items: center;
  margin-bottom: 1.75rem;
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent);
  animation: pulse 2.4s ease-in-out infinite;
}

.title {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: 0.32em;
  color: var(--accent);
  text-shadow: 0 0 14px rgba(34, 211, 238, 0.45);
}

.subtitle {
  grid-column: 2;
  margin: 0.25rem 0 0;
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  color: var(--muted);
}

.login {
  display: grid;
  gap: 0.85rem;
}

.field-label {
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  color: var(--muted);
}

.field {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0 0.85rem;
  border: 1px solid var(--line);
  background: rgba(2, 6, 10, 0.7);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.field:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent-soft), 0 0 18px rgba(34, 211, 238, 0.18);
}

.prompt {
  color: var(--accent);
  user-select: none;
}

.field input {
  flex: 1;
  min-width: 0;
  padding: 0.85rem 0;
  border: 0;
  background: transparent;
  color: var(--text);
  font: inherit;
  font-size: 1.05rem;
  letter-spacing: 0.3em;
  caret-color: var(--accent);
  outline: none;
}

.submit {
  padding: 0.85rem 1rem;
  border: 1px solid var(--accent);
  background: var(--accent-soft);
  color: var(--accent);
  font: inherit;
  font-weight: 600;
  letter-spacing: 0.3em;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease, box-shadow 0.15s ease;
}

.submit:hover,
.submit:focus-visible {
  background: var(--accent);
  color: var(--bg);
  box-shadow: 0 0 24px rgba(34, 211, 238, 0.4);
  outline: none;
}

.submit:disabled {
  opacity: 0.5;
  cursor: progress;
}

.status {
  min-height: 1.4em;
  margin: 0;
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  color: var(--danger);
}

.status.is-info {
  color: var(--mint);
}

.login.is-denied {
  animation: shake 0.35s ease;
}

.boot {
  min-height: 9rem;
}

.boot-lines {
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 0.85rem;
  line-height: 1.9;
  letter-spacing: 0.14em;
  color: var(--mint);
}

.boot-lines li {
  animation: reveal 0.25s ease both;
}

.boot-lines li::before {
  content: '> ';
  color: var(--accent);
}

.boot-lines li.is-welcome {
  margin-top: 0.4rem;
  font-weight: 600;
  color: var(--accent);
  text-shadow: 0 0 12px rgba(34, 211, 238, 0.5);
}

.boot-lines li:last-child::after {
  content: '_';
  animation: blink 1s steps(2) infinite;
}

.console-footer {
  margin-top: 1.75rem;
  font-size: 0.6rem;
  letter-spacing: 0.22em;
  color: var(--muted);
  text-align: center;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

@keyframes blink {
  to { visibility: hidden; }
}

@keyframes reveal {
  from { opacity: 0; transform: translateX(-6px); }
  to { opacity: 1; transform: none; }
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-5px); }
  75% { transform: translateX(5px); }
}

@media (max-width: 480px) {
  body {
    padding: 1rem;
    font-size: 14px;
  }

  .console {
    padding: 1.5rem 1.25rem;
  }

  .title {
    font-size: 1.05rem;
    letter-spacing: 0.24em;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}