@import url('https://fonts.googleapis.com/css2?family=Share+Tech+Mono&display=swap');

:root {
  --bg: #020602;
  --panel: #060d06;
  --green: #39ff14;
  --green-dim: #1db30a;
  --green-muted: #4a8a3a;
  --green-faint: rgba(57,255,20,.07);
  --amber: #ffb300;
  --amber-dim: #c88a00;
  --text: #8fd98f;
  --border: rgba(57,255,20,.18);
  --border-bright: rgba(57,255,20,.45);
  --font: 'Share Tech Mono', 'Courier New', monospace;
}

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

html, body {
  margin: 0;
  min-height: 100%;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  overflow-x: hidden;
}

/* ── CRT scanlines ── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0,0,0,.18) 2px,
    rgba(0,0,0,.18) 4px
  );
  pointer-events: none;
  z-index: 9998;
}

/* ── CRT vignette ── */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background: radial-gradient(ellipse at center,
    transparent 60%,
    rgba(0,0,0,.7) 100%
  );
  pointer-events: none;
  z-index: 9997;
}

/* ── Phosphor flicker ── */
@keyframes flicker {
  0%   { opacity: 1; }
  92%  { opacity: 1; }
  93%  { opacity: 0.85; }
  94%  { opacity: 1; }
  96%  { opacity: 0.9; }
  97%  { opacity: 1; }
  100% { opacity: 1; }
}

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

@keyframes glitch {
  0%   { transform: translateX(0); }
  92%  { transform: translateX(0); }
  93%  { transform: translateX(-3px); filter: hue-rotate(30deg); }
  94%  { transform: translateX(2px); }
  95%  { transform: translateX(0); filter: none; }
  100% { transform: translateX(0); }
}

body {
  animation: flicker 8s infinite;
}

/* ── Header ── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(2,6,2,.92);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(4px);
}

.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 12px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.site-name {
  font-size: 13px;
  font-weight: normal;
  color: var(--green-dim);
  letter-spacing: 2px;
  text-transform: uppercase;
}

.site-name a {
  color: inherit;
  text-decoration: none;
}

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

nav {
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
}

nav a {
  color: var(--green-muted);
  text-decoration: none;
  font-size: 12px;
  letter-spacing: 1px;
  text-transform: uppercase;
  transition: color .15s;
}

nav a:hover { color: var(--green); }
nav a.active { color: var(--amber); }

/* ── Terminal panels ── */
.term-panel {
  border: 1px solid var(--border);
  background: var(--green-faint);
  border-radius: 4px;
  padding: 24px 28px;
  position: relative;
}

.term-panel::before {
  content: attr(data-label);
  position: absolute;
  top: -10px;
  left: 16px;
  background: var(--bg);
  padding: 0 8px;
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--green-dim);
  text-transform: uppercase;
}

/* ── ASCII box utility ── */
.ascii-border {
  color: var(--green-dim);
  font-size: 11px;
  line-height: 1.4;
  white-space: pre;
  pointer-events: none;
  user-select: none;
}

/* ── Headings ── */
h1, h2, h3 {
  font-family: var(--font);
  font-weight: normal;
  color: var(--green);
  letter-spacing: 3px;
  text-transform: uppercase;
  animation: glitch 12s infinite;
}

h1 { font-size: clamp(22px, 4vw, 38px); margin: 0 0 8px; }
h2 { font-size: clamp(16px, 2.5vw, 22px); margin: 0 0 6px; }
h3 { font-size: 14px; margin: 0 0 4px; color: var(--green-dim); }

/* ── Cursor ── */
.cursor::after {
  content: '█';
  animation: cursor-blink 1s step-end infinite;
  color: var(--green);
}

/* ── Amber text ── */
.amber { color: var(--amber); }
.amber-dim { color: var(--amber-dim); }
.muted { color: var(--green-muted); }
.dim { color: var(--green-dim); }

/* ── Divider ── */
.term-divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 24px 0;
}

.term-divider-label {
  text-align: center;
  font-size: 11px;
  letter-spacing: 3px;
  color: var(--green-dim);
  margin: 16px 0;
  text-transform: uppercase;
}

/* ── Boot screen ── */
.boot-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
}

.boot-terminal {
  width: min(760px, 100%);
  padding: 32px;
}

.boot-line {
  font-size: 13px;
  line-height: 2;
  color: var(--text);
  white-space: pre;
}

.boot-line.green { color: var(--green); }
.boot-line.amber { color: var(--amber); }
.boot-line.dim   { color: var(--green-dim); }
.boot-line.blank { line-height: 1; }

/* ── Nav cards (Noosphere hub) ── */
.nav-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-top: 32px;
}

.nav-card {
  display: block;
  text-decoration: none;
  color: inherit;
  border: 1px solid var(--border);
  background: var(--green-faint);
  padding: 22px 20px 18px;
  position: relative;
  transition: border-color .15s, background .15s;
}

.nav-card::before {
  content: '┌──────────────────────────────┐';
  position: absolute;
  top: -1px; left: -1px;
  font-size: 9px;
  color: var(--green-dim);
  opacity: 0;
  transition: opacity .15s;
  pointer-events: none;
  white-space: nowrap;
  overflow: hidden;
  width: calc(100% + 2px);
}

.nav-card:hover {
  border-color: var(--border-bright);
  background: rgba(57,255,20,.11);
}

.nav-card:hover::before { opacity: 1; }

.nav-card-id {
  font-size: 10px;
  letter-spacing: 2px;
  color: var(--green-dim);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.nav-card-title {
  font-size: 15px;
  letter-spacing: 2px;
  color: var(--green);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.nav-card-desc {
  font-size: 12px;
  color: var(--green-muted);
  line-height: 1.6;
}

.nav-card-arrow {
  display: block;
  margin-top: 14px;
  font-size: 18px;
  color: var(--green-dim);
  transition: color .15s, transform .15s;
}

.nav-card:hover .nav-card-arrow {
  color: var(--green);
  transform: translateX(4px);
}

/* ── Status bar ── */
.status-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--border);
  padding: 10px 28px;
  font-size: 11px;
  color: var(--green-dim);
  letter-spacing: 1px;
  flex-wrap: wrap;
  gap: 8px;
}

.status-dot {
  display: inline-block;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 6px var(--green);
  margin-right: 6px;
  animation: flicker 4s infinite;
}

.status-dot.amber {
  background: var(--amber);
  box-shadow: 0 0 6px var(--amber);
}

/* ── Placeholder data panels ── */
.data-section {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 28px 60px;
}

.data-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.data-panel {
  border: 1px solid var(--border);
  background: var(--green-faint);
  padding: 20px 22px;
  position: relative;
}

.data-panel-label {
  font-size: 10px;
  letter-spacing: 3px;
  color: var(--green-dim);
  text-transform: uppercase;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}

.data-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 0;
  font-size: 13px;
  border-bottom: 1px solid rgba(57,255,20,.06);
}

.data-row:last-child { border-bottom: none; }

.data-key { color: var(--green-muted); }
.data-val { color: var(--green); }
.data-val.amber { color: var(--amber); }

.pending-msg {
  font-size: 12px;
  letter-spacing: 1px;
  color: var(--amber-dim);
  padding: 12px 0;
  line-height: 1.8;
}

.locked-entry {
  font-size: 12px;
  color: var(--green-dim);
  padding: 10px 0;
  border-bottom: 1px solid rgba(57,255,20,.06);
  display: flex;
  justify-content: space-between;
}

.locked-entry .lock-tag {
  color: var(--amber-dim);
  font-size: 10px;
  letter-spacing: 1px;
}

/* ── Page hero ── */
.page-hero {
  max-width: 1100px;
  margin: 0 auto;
  padding: 48px 28px 36px;
}

.page-tag {
  font-size: 10px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 12px;
}

.page-title {
  font-size: clamp(20px, 3.5vw, 32px);
  letter-spacing: 4px;
  color: var(--green);
  text-transform: uppercase;
  margin: 0 0 10px;
  animation: glitch 10s infinite;
}

.page-sub {
  font-size: 12px;
  color: var(--green-muted);
  line-height: 1.7;
  max-width: 560px;
}

/* ── Footer ── */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 14px 28px;
  font-size: 11px;
  color: var(--green-dim);
  letter-spacing: 1px;
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

/* ── Responsive ── */
@media (max-width: 700px) {
  .header-inner { padding: 12px 16px; flex-direction: column; align-items: flex-start; }
  .page-hero { padding: 32px 16px 24px; }
  .data-section { padding: 0 16px 40px; }
  .boot-terminal { padding: 20px 16px; }
  .status-bar { padding: 10px 16px; }
  .site-footer { padding: 14px 16px; }
}