:root {
  --bg: #030705;
  --bg-soft: #08110c;
  --bg-panel: rgba(9, 17, 13, 0.9);
  --bg-panel-2: rgba(12, 22, 17, 0.92);
  --text: #dcffe9;
  --text-muted: #8ad4a9;
  --accent: #00ff66;
  --accent-soft: rgba(0, 255, 102, 0.18);
  --border: rgba(0, 255, 102, 0.28);
  --danger: #ff7f7f;
  --shadow: rgba(0, 0, 0, 0.58);
  --radius: 18px;
  --radius-lg: 24px;
  --space-1: 8px;
  --space-2: 12px;
  --space-3: 16px;
  --space-4: 22px;
  --space-5: 30px;
  --maxw: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  line-height: 1.55;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  background:
    radial-gradient(1000px 560px at 50% -6%, rgba(0, 255, 102, 0.1), transparent 60%),
    radial-gradient(900px 520px at 50% 112%, rgba(0, 255, 102, 0.06), transparent 60%),
    var(--bg);
  min-height: 100vh;
}

/* CRT scanline layer */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0.022) 0,
    rgba(255, 255, 255, 0.022) 1px,
    transparent 1px,
    transparent 3px
  );
  opacity: 0.2;
  z-index: 1;
}

/* Vignette layer */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  box-shadow: inset 0 0 140px rgba(0, 0, 0, 0.72);
  z-index: 1;
}

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

a:hover {
  text-decoration: underline;
}

.site-wrap {
  width: min(calc(100% - 26px), var(--maxw));
  margin: 0 auto;
  padding: 16px 0 26px;
  position: relative;
  z-index: 2;
}

.main-stack {
  display: grid;
  gap: var(--space-5);
  margin-top: 18px;
}

.topbar {
  position: sticky;
  top: 12px;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--border);
  border-radius: 14px;
  background: rgba(5, 10, 7, 0.86);
  backdrop-filter: blur(8px);
  box-shadow: 0 16px 50px var(--shadow);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.brand:hover {
  text-decoration: none;
}

.brand-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent);
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.nav a {
  color: var(--text);
  padding: 7px 11px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.02);
}

.nav a:hover,
.nav a[aria-current="page"] {
  text-decoration: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent-soft) inset;
}

.panel,
.card,
.side-panel,
.terminal-widget {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, var(--bg-panel-2), var(--bg-panel));
  box-shadow: 0 18px 55px var(--shadow);
}

.panel,
.card,
.side-panel,
.terminal-widget {
  padding: var(--space-4);
}

.hero {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--space-4);
}

.hero h1 {
  margin: 0 0 10px;
  font-size: clamp(1.6rem, 3.8vw, 3rem);
  line-height: 1.1;
}

h2,
h3 {
  margin-top: 0;
}

.eyebrow {
  margin: 0 0 9px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.13em;
  font-size: 0.76rem;
}

.ascii-banner {
  margin: 0 0 14px;
  color: var(--accent);
  text-shadow: 0 0 9px rgba(0, 255, 102, 0.26);
  background: rgba(1, 4, 2, 0.44);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px;
  max-width: 100%;
  overflow-x: auto;
  font-size: clamp(0.39rem, 1.1vw, 0.82rem);
}

.actions,
.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
}

.btn,
button,
.chip {
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.02);
  font: inherit;
  cursor: pointer;
  padding: 10px 14px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-primary {
  background: rgba(0, 255, 102, 0.14);
}

.btn:hover,
button:hover,
.chip:hover {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent-soft) inset;
  text-decoration: none;
}

.section {
  display: grid;
  gap: var(--space-3);
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: var(--space-3);
}

.grid {
  display: grid;
  gap: var(--space-3);
}

.cards-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.two-col {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.clean-list {
  margin: 0;
  padding-left: 16px;
  color: #c8f2d7;
}

.clean-list li {
  margin-bottom: 6px;
}

.terminal-widget {
  align-self: start;
}

.terminal-output {
  margin: 0;
  min-height: 130px;
  white-space: pre-wrap;
  word-break: break-word;
  background: rgba(0, 0, 0, 0.34);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
}

.terminal-form {
  margin-top: 10px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 8px;
}

.prompt {
  color: var(--accent);
  font-weight: 700;
}

input,
textarea,
select {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 11px 12px;
  color: var(--text);
  background: rgba(1, 4, 2, 0.84);
  font: inherit;
}

textarea {
  min-height: 180px;
  resize: vertical;
}

.tool-layout {
  display: grid;
  grid-template-columns: 1.18fr 0.82fr;
  gap: var(--space-3);
}

.tool-main,
.side-panel {
  display: grid;
  gap: 11px;
}

.output-box,
.output-pre {
  min-height: 140px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: rgba(0, 0, 0, 0.34);
  color: var(--text);
  width: 100%;
}

.output-box {
  padding: 12px;
}

.output-pre {
  padding: 12px;
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
}

.status {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.92rem;
}

.status.error {
  color: var(--danger);
}

.status.success {
  color: var(--accent);
}

.status.loading {
  color: #b2ffcd;
}

.helper-text {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.9rem;
}

button:disabled {
  opacity: 0.65;
  cursor: not-allowed;
}

.footer {
  margin-top: 28px;
  border-top: 1px solid var(--border);
  padding-top: 14px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.support-panel {
  margin-top: 40px;
  text-align: center;
}

@media (max-width: 1040px) {
  .cards-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 860px) {
  .hero,
  .tool-layout,
  .two-col,
  .cards-3 {
    grid-template-columns: 1fr;
  }

  .topbar {
    top: 8px;
    padding: 10px 12px;
    align-items: flex-start;
    flex-direction: column;
  }

  .site-wrap {
    width: min(calc(100% - 18px), var(--maxw));
  }
}