:root {
  color-scheme: dark;
  --background: #020403;
  --green: #00ff66;
  --green-secondary: #00b848;
  --green-muted: #5ca875;
  --terminal: rgba(0, 10, 4, 0.82);
  --pointer-x: 50%;
  --pointer-y: 50%;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  background: var(--background);
}

body {
  min-width: 320px;
  min-height: 100vh;
  min-height: 100dvh;
  margin: 0;
  overflow-x: hidden;
  color: var(--green);
  background:
    radial-gradient(circle at 50% 45%, rgba(0, 184, 72, 0.07), transparent 42%),
    var(--background);
  font-family: "JetBrains Mono", "Fira Code", "Courier New", monospace;
}

button,
input,
textarea,
select {
  font: inherit;
}

#matrix-rain,
.ambient-glow,
.crt-overlay {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

#matrix-rain {
  z-index: 0;
  opacity: 0.54;
}

.ambient-glow {
  z-index: 1;
  background: radial-gradient(
    circle 30rem at var(--pointer-x) var(--pointer-y),
    rgba(0, 255, 102, 0.055),
    transparent 70%
  );
}

/* Сканирующие строки старого CRT-монитора */
.crt-overlay {
  z-index: 4;
  opacity: 0.16;
  background:
    repeating-linear-gradient(
      0deg,
      rgba(0, 0, 0, 0.2) 0,
      rgba(0, 0, 0, 0.2) 1px,
      transparent 1px,
      transparent 4px
    ),
    linear-gradient(90deg, rgba(255, 0, 0, 0.018), rgba(0, 255, 0, 0.012), rgba(0, 0, 255, 0.018));
  animation: crt-flicker 8s steps(1) infinite;
}

.page-shell {
  position: relative;
  z-index: 2;
  display: grid;
  min-height: 100vh;
  min-height: 100dvh;
  place-items: center;
  padding:
    max(1.5rem, env(safe-area-inset-top))
    max(1rem, env(safe-area-inset-right))
    max(1.5rem, env(safe-area-inset-bottom))
    max(1rem, env(safe-area-inset-left));
}

.terminal {
  position: relative;
  width: min(92vw, 860px);
  overflow: hidden;
  border: 1px solid rgba(0, 255, 102, 0.58);
  border-radius: 10px;
  background: var(--terminal);
  box-shadow:
    0 0 1px rgba(0, 255, 102, 0.9),
    0 0 28px rgba(0, 255, 102, 0.13),
    inset 0 0 42px rgba(0, 255, 102, 0.025);
  backdrop-filter: blur(8px);
  opacity: 0;
  transform: translateY(18px) scale(0.985);
  animation: terminal-enter 900ms cubic-bezier(0.2, 0.75, 0.25, 1) 120ms forwards;
}

.terminal::after {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(
    circle 22rem at var(--pointer-x) var(--pointer-y),
    rgba(0, 255, 102, 0.07),
    transparent 68%
  );
  content: "";
  pointer-events: none;
}

.terminal__bar {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  min-height: 44px;
  padding: 0 1rem;
  border-bottom: 1px solid rgba(0, 255, 102, 0.22);
  background: rgba(0, 24, 10, 0.66);
}

.terminal__lights {
  display: flex;
  gap: 0.5rem;
}

.terminal__lights span {
  width: 9px;
  height: 9px;
  border: 1px solid rgba(0, 255, 102, 0.72);
  border-radius: 50%;
  background: rgba(0, 255, 102, 0.12);
  box-shadow: 0 0 7px rgba(0, 255, 102, 0.32);
}

.terminal__lights span:nth-child(2) {
  opacity: 0.65;
}

.terminal__lights span:nth-child(3) {
  opacity: 0.35;
}

.terminal__label {
  color: var(--green-muted);
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.terminal__body {
  position: relative;
  z-index: 1;
  padding: clamp(1.4rem, 4vw, 3.5rem);
}

.code {
  padding-bottom: clamp(1.3rem, 3vw, 2.3rem);
  border-bottom: 1px dashed rgba(0, 255, 102, 0.2);
  font-size: clamp(0.66rem, 1.45vw, 0.9rem);
  line-height: 1.75;
  white-space: nowrap;
}

.code__indent {
  padding-left: clamp(0.7rem, 2.4vw, 1.7rem);
}

.code__tag {
  color: var(--green-secondary);
  opacity: 0.72;
}

.code__attr {
  color: #9dffbd;
}

.code__value {
  color: var(--green-muted);
}

.code__text {
  color: var(--green);
  text-shadow: 0 0 8px rgba(0, 255, 102, 0.38);
}

.code__muted {
  color: var(--green-muted);
}

.cursor {
  display: inline-block;
  width: 0.48em;
  height: 1em;
  margin: 0 0.12em;
  vertical-align: -0.12em;
  background: var(--green);
  box-shadow: 0 0 8px rgba(0, 255, 102, 0.8);
  animation: cursor-blink 1s steps(1) infinite;
}

.system-status {
  padding: clamp(1.5rem, 4vw, 3.2rem) 0 clamp(1.2rem, 3vw, 2.4rem);
  text-align: center;
}

.eyebrow {
  margin: 0 0 0.75rem;
  color: var(--green-muted);
  font-size: clamp(0.66rem, 1.6vw, 0.82rem);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  color: var(--green);
  font-size: clamp(2.7rem, 10vw, 6.9rem);
  font-weight: 700;
  letter-spacing: clamp(0.08em, 1vw, 0.16em);
  line-height: 0.98;
  text-indent: 0.12em;
  text-shadow:
    0 0 5px rgba(0, 255, 102, 0.9),
    0 0 22px rgba(0, 255, 102, 0.42);
  animation: text-pulse 4.6s ease-in-out infinite;
}

.subtitle {
  margin: 1rem 0 0;
  color: #b4ffc9;
  font-size: clamp(0.9rem, 2.4vw, 1.15rem);
  letter-spacing: 0.06em;
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  margin-top: 1.7rem;
  color: var(--green);
  font-size: clamp(0.68rem, 1.8vw, 0.86rem);
  letter-spacing: 0.08em;
  text-shadow: 0 0 8px rgba(0, 255, 102, 0.4);
}

.status__dot {
  width: 7px;
  height: 7px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 10px var(--green);
  animation: status-pulse 1.7s ease-in-out infinite;
}

.loader {
  width: min(100%, 530px);
  margin: 1.8rem auto 0;
}

.loader__meta {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.55rem;
  color: var(--green-muted);
  font-size: clamp(0.62rem, 1.7vw, 0.75rem);
  letter-spacing: 0.05em;
}

.loader__track {
  height: 5px;
  overflow: hidden;
  border: 1px solid rgba(0, 255, 102, 0.3);
  background: rgba(0, 255, 102, 0.035);
}

.loader__bar {
  display: block;
  width: 44%;
  height: 100%;
  background: linear-gradient(90deg, transparent, var(--green-secondary), var(--green));
  box-shadow: 0 0 10px rgba(0, 255, 102, 0.7);
  animation: loader-cycle 3.8s ease-in-out infinite;
}

.terminal__footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.65rem 1.4rem;
  margin: 0;
  padding-top: 1rem;
  border-top: 1px solid rgba(0, 255, 102, 0.12);
  color: rgba(92, 168, 117, 0.62);
  font-size: 0.61rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.no-script {
  position: fixed;
  z-index: 5;
  right: 1rem;
  bottom: 1rem;
  left: 1rem;
  margin: 0;
  color: var(--green-muted);
  font-size: 0.7rem;
  text-align: center;
}

@keyframes terminal-enter {
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes cursor-blink {
  0%,
  48% {
    opacity: 1;
  }
  49%,
  100% {
    opacity: 0;
  }
}

@keyframes text-pulse {
  0%,
  100% {
    opacity: 0.94;
  }
  50% {
    opacity: 1;
  }
}

@keyframes status-pulse {
  0%,
  100% {
    opacity: 0.35;
    transform: scale(0.82);
  }
  50% {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes loader-cycle {
  0% {
    transform: translateX(-110%);
  }
  55%,
  70% {
    transform: translateX(125%);
  }
  100% {
    transform: translateX(250%);
  }
}

@keyframes crt-flicker {
  0%,
  94%,
  100% {
    opacity: 0.16;
  }
  95% {
    opacity: 0.11;
  }
  96% {
    opacity: 0.19;
  }
}

@media (max-width: 560px) {
  #matrix-rain {
    opacity: 0.38;
  }

  .terminal {
    width: 94vw;
    border-radius: 7px;
    backdrop-filter: blur(5px);
  }

  .terminal__bar {
    min-height: 40px;
    padding: 0 0.75rem;
  }

  .terminal__label {
    font-size: 0.56rem;
  }

  .terminal__body {
    padding: 1.25rem 1rem 1.1rem;
  }

  .code {
    overflow: hidden;
    font-size: clamp(0.51rem, 2.55vw, 0.67rem);
  }

  .system-status {
    padding: 1.5rem 0 1.25rem;
  }

  h1 {
    font-size: clamp(2.45rem, 15vw, 4.6rem);
  }

  .status {
    align-items: flex-start;
    line-height: 1.45;
  }

  .status__dot {
    margin-top: 0.3rem;
  }

  .terminal__footer {
    gap: 0.45rem 0.8rem;
  }
}

@media (max-height: 680px) and (min-width: 561px) {
  .page-shell {
    padding-block: 1rem;
  }

  .terminal__body {
    padding-block: 1.2rem;
  }

  .system-status {
    padding-block: 1.15rem;
  }

  h1 {
    font-size: clamp(2.6rem, 11vh, 4.8rem);
  }

  .status,
  .loader {
    margin-top: 1rem;
  }
}

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

  #matrix-rain {
    opacity: 0.2;
  }

  .terminal {
    opacity: 1;
    transform: none;
  }
}