:root {
  --bg: #000000;
  --screen: #021002;
  --text: #00e000;
  --text-dim: #00a800;
  --text-bright: #7cff7c;
  --line: rgba(0, 224, 0, 0.16);
  --shadow: rgba(0, 255, 0, 0.16);
  --frame-light: #f5f5f5;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background: #1b1b1b;
  color: var(--text);
  font-family: "Lucida Console", "Courier New", monospace;
}

a {
  color: inherit;
  text-decoration: none;
}

.boot-screen {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
  padding: 28px;
  background: #000;
  color: var(--text);
  transition: opacity 280ms ease, visibility 280ms ease;
}

.boot-inner {
  display: grid;
  gap: 10px;
  font-size: clamp(1rem, 2vw, 1.2rem);
}

.boot-cursor {
  animation: blink 1s steps(1) infinite;
}

.boot-complete {
  opacity: 0;
  visibility: hidden;
}

.app-frame {
  min-height: 100vh;
  padding: 8px;
}

.app-frame.window-maximized {
  padding: 0;
}

.app-frame.window-maximized .crt-screen {
  min-height: calc(100vh - 36px);
}

.titlebar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 6px 10px;
  background: var(--frame-light);
  color: #111;
  border: 1px solid #bebebe;
  font-family: "Segoe UI", Arial, sans-serif;
  font-size: 0.86rem;
}

.title-left {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.app-icon {
  width: 12px;
  height: 12px;
  border: 1px solid #444;
  background: linear-gradient(180deg, #3c5f30 0 50%, #1c1c1c 50% 100%);
}

.window-controls {
  display: flex;
  gap: 6px;
}

.control-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 18px;
  border: 1px solid #555;
  background: #efefef;
  color: #111;
  font-size: 0.72rem;
  line-height: 1;
  font-family: "Segoe UI", Arial, sans-serif;
  padding: 0;
  cursor: pointer;
}

.control-button:hover,
.control-button:focus-visible {
  background: #dddddd;
}

.crt-screen {
  position: relative;
  min-height: calc(100vh - 44px);
  overflow: hidden;
  background:
    radial-gradient(circle at center, rgba(0, 80, 0, 0.08), transparent 60%),
    linear-gradient(180deg, rgba(0, 255, 0, 0.03), transparent 25%),
    var(--screen);
  box-shadow:
    inset 0 0 80px rgba(0, 0, 0, 0.85),
    inset 0 0 12px rgba(0, 255, 0, 0.1);
}

.crt-overlay,
.crt-screen::before,
.crt-screen::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.crt-screen[hidden] {
  display: none;
}

.crt-overlay {
  z-index: 0;
  background:
    repeating-linear-gradient(
      180deg,
      rgba(0, 0, 0, 0.02) 0,
      rgba(0, 0, 0, 0.02) 1px,
      rgba(0, 255, 0, 0.03) 1px,
      rgba(0, 255, 0, 0.03) 2px,
      transparent 2px,
      transparent 4px
    );
  opacity: 0.9;
}

.crt-screen::before {
  z-index: 0;
  background: radial-gradient(circle at center, transparent 68%, rgba(0, 0, 0, 0.5) 100%);
}

.crt-screen::after {
  z-index: 0;
  background: linear-gradient(180deg, transparent 0%, rgba(120, 255, 120, 0.12) 46%, transparent 100%);
  transform: translateY(-40%);
  animation: scanroll 9s linear infinite;
}

.menu-bar,
.workspace,
.status-bar {
  position: relative;
  z-index: 1;
}

.menu-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 34px;
  padding: 18px 22px 6px;
  font-size: clamp(1.05rem, 1.9vw, 1.55rem);
  line-height: 1.1;
  color: var(--text);
}

.menu-bar a::before {
  content: attr(data-hotkey) " ";
  color: var(--text-dim);
}

.menu-bar a:hover,
.menu-bar a:focus-visible {
  color: var(--text-bright);
}

.menu-cursor {
  width: 14px;
  height: 1.35em;
  background: var(--text);
  box-shadow: 0 0 10px var(--shadow);
  animation: blink 1s steps(1) infinite;
}

.workspace {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 420px);
  gap: 34px;
  padding: 22px 22px 40px;
}

.hero-block,
.panel-block,
.contact-block {
  align-self: start;
}

.hero-block {
  padding-right: 12px;
}

.prompt {
  margin: 0 0 16px;
  color: var(--text-dim);
  font-size: 1rem;
}

h1,
h2,
p {
  margin: 0;
}

h1,
h2,
.line-label,
.send-button,
.field span {
  text-transform: uppercase;
}

h1 {
  max-width: 12ch;
  font-size: clamp(2.6rem, 7vw, 5.5rem);
  line-height: 0.95;
  letter-spacing: 0.01em;
  color: var(--text-bright);
  text-shadow: 0 0 14px var(--shadow);
}

.lead,
.command-list p,
.line-row span:last-child,
.text-block p,
.footer-note,
.notice,
.field span {
  color: var(--text-dim);
  line-height: 1.7;
}

.lead {
  max-width: 42rem;
  margin-top: 24px;
  font-size: 1.08rem;
}

.command-list,
.text-block,
.line-list,
.contact-form {
  display: grid;
  gap: 12px;
}

.command-list,
.line-list,
.text-block {
  margin-top: 20px;
}

.panel-block {
  border-top: 1px solid var(--line);
  padding-top: 20px;
}

.line-row {
  display: grid;
  grid-template-columns: minmax(180px, 0.55fr) minmax(0, 1fr);
  gap: 20px;
  padding: 6px 0;
}

.line-label {
  color: var(--text-bright);
}

.contact-block {
  border: 1px solid var(--line);
  padding: 18px;
  box-shadow: inset 0 0 0 1px rgba(0, 255, 0, 0.05);
}

.notice {
  margin: 0 0 14px;
}

.notice-success {
  color: var(--text-bright);
}

.notice-error {
  color: #ff8f8f;
}

.notice-info {
  color: #b9ffb9;
}

.field {
  display: grid;
  gap: 6px;
}

.field input,
.field textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line);
  background: rgba(0, 20, 0, 0.78);
  color: var(--text-bright);
  font: inherit;
  outline: none;
  box-shadow: inset 0 0 8px rgba(0, 255, 0, 0.04);
}

.field textarea {
  min-height: 150px;
  resize: vertical;
}

.field input:focus,
.field textarea:focus {
  border-color: rgba(124, 255, 124, 0.4);
}

.send-button {
  margin-top: 6px;
  padding: 10px 12px;
  border: 1px solid rgba(124, 255, 124, 0.3);
  background: rgba(0, 20, 0, 0.78);
  color: var(--text-bright);
  font: inherit;
  cursor: pointer;
  box-shadow: 0 0 12px rgba(0, 255, 0, 0.04);
}

.send-button:hover,
.send-button:focus-visible {
  background: rgba(0, 35, 0, 0.9);
}

.footer-note {
  margin-top: 4px;
}

.send-status {
  margin-top: 4px;
  border-top: 1px solid var(--line);
  padding-top: 10px;
}

.send-line {
  margin: 0;
  color: var(--text-dim);
  line-height: 1.6;
}

.status-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  padding: 8px 22px 14px;
  border-top: 1px solid var(--line);
  color: var(--text-dim);
  font-size: 0.95rem;
}

.honeypot {
  position: absolute;
  left: -9999px;
}

@media (max-width: 920px) {
  .workspace,
  .line-row {
    grid-template-columns: 1fr;
  }

  h1 {
    max-width: none;
  }
}

@media (max-width: 640px) {
  .titlebar {
    padding: 6px 8px;
    font-size: 0.78rem;
  }

  .menu-bar {
    gap: 22px;
    padding: 14px 14px 4px;
    font-size: 1rem;
  }

  .workspace {
    gap: 24px;
    padding: 18px 14px 28px;
  }

  .status-bar {
    gap: 10px 14px;
    padding: 8px 14px 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .crt-screen::after,
  .menu-cursor {
    animation: none;
  }
}

@keyframes blink {
  0%, 49% { opacity: 1; }
  50%, 100% { opacity: 0; }
}

@keyframes scanroll {
  from { transform: translateY(-42%); }
  to { transform: translateY(145%); }
}