/* === 20-radar/styles.css ===
 * Radar/sonar tracking display — devtools (CRT green override)
 */

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
body { line-height: 1.5; -webkit-font-smoothing: antialiased; }
img, picture, video, canvas, svg { display: block; max-width: 100%; }
a { text-decoration-skip-ink: auto; color: inherit; }
:focus-visible { outline: 2px solid var(--crt-green); outline-offset: 2px; }

/* --- Fluid Scales --- */
:root {
  --step--2: clamp(0.69rem, 0.66rem + 0.18vw, 0.80rem);
  --step--1: clamp(0.83rem, 0.78rem + 0.25vw, 1.00rem);
  --step-0:  clamp(1.00rem, 0.93rem + 0.33vw, 1.13rem);
  --step-1:  clamp(1.20rem, 1.10rem + 0.45vw, 1.41rem);
  --step-2:  clamp(1.44rem, 1.30rem + 0.63vw, 1.76rem);

  --space-3xs: clamp(0.25rem, 0.23rem + 0.11vw, 0.31rem);
  --space-2xs: clamp(0.50rem, 0.46rem + 0.22vw, 0.63rem);
  --space-xs:  clamp(0.75rem, 0.69rem + 0.33vw, 0.94rem);
  --space-s:   clamp(1.00rem, 0.93rem + 0.33vw, 1.13rem);
  --space-m:   clamp(1.50rem, 1.39rem + 0.54vw, 1.69rem);
  --space-l:   clamp(2.00rem, 1.85rem + 0.76vw, 2.25rem);
  --space-xl:  clamp(3.00rem, 2.78rem + 1.09vw, 3.38rem);
}

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

/* --- CRT Green Override --- */
:root {
  --crt-bg: oklch(0.06 0.02 145);
  --crt-panel: oklch(0.08 0.02 145);
  --crt-green: oklch(0.72 0.22 145);
  --crt-green-dim: oklch(0.45 0.12 145);
  --crt-green-bright: oklch(0.85 0.18 145);
  --crt-amber: oklch(0.75 0.15 80);
  --crt-red: oklch(0.60 0.22 25);
  --crt-border: oklch(0.20 0.05 145);
  --crt-glow: 0 0 8px oklch(0.72 0.22 145 / 0.3);

  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

/* --- Page --- */
body {
  background: var(--crt-bg);
  color: var(--crt-green);
  font-family: var(--font-mono);
  font-size: 13px;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

/* Scanline overlay */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url('assets/diagonal-lines.svg');
  background-size: 10px 10px;
  opacity: 0.03;
  pointer-events: none;
  z-index: 100;
  mix-blend-mode: overlay;
}

/* --- Top Bar --- */
.top-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-2xs) var(--space-s);
  border-bottom: 1px solid var(--crt-border);
  font-size: var(--step--2);
  color: var(--crt-green-dim);
}

.tracking-status {
  color: var(--crt-green-bright);
  text-shadow: var(--crt-glow);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.tracking-active {
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--crt-green);
  border-radius: 50%;
  margin-right: 6px;
  box-shadow: var(--crt-glow);
  animation: pulse-green 2s ease-in-out infinite;
}

@keyframes pulse-green {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* --- Main Layout --- */
.radar-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 0;
  min-height: calc(100vh - 40px);
}

@media (max-width: 900px) {
  .radar-layout {
    grid-template-columns: 1fr;
  }
}

/* --- Radar Display --- */
.radar-container {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-l);
  border-right: 1px solid var(--crt-border);
}

.radar-scope {
  width: min(400px, 80vw);
  height: min(400px, 80vw);
  border-radius: 50%;
  border: 2px solid var(--crt-green-dim);
  position: relative;
  background: radial-gradient(circle, var(--crt-panel) 0%, var(--crt-bg) 100%);
  box-shadow: inset 0 0 40px oklch(0.72 0.22 145 / 0.05), var(--crt-glow);
}

/* Concentric rings */
.radar-scope::before {
  content: '';
  position: absolute;
  inset: 25%;
  border: 1px solid oklch(0.72 0.22 145 / 0.15);
  border-radius: 50%;
}

.radar-scope::after {
  content: '';
  position: absolute;
  inset: 50%;
  border: 1px solid oklch(0.72 0.22 145 / 0.10);
  border-radius: 50%;
}

.radar-ring-outer {
  position: absolute;
  inset: 12.5%;
  border: 1px solid oklch(0.72 0.22 145 / 0.12);
  border-radius: 50%;
  pointer-events: none;
}

/* Crosshair */
.radar-crosshair-h {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background: oklch(0.72 0.22 145 / 0.10);
}

.radar-crosshair-v {
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 1px;
  background: oklch(0.72 0.22 145 / 0.10);
}

/* Sweep */
.radar-sweep {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: conic-gradient(
    from 0deg,
    oklch(0.72 0.22 145 / 0.25) 0deg,
    oklch(0.72 0.22 145 / 0.05) 30deg,
    transparent 60deg,
    transparent 360deg
  );
  animation: sweep-rotate 4s linear infinite;
}

@keyframes sweep-rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* Blips */
.blip {
  position: absolute;
  width: 8px;
  height: 8px;
  background: var(--crt-green);
  border-radius: 50%;
  box-shadow: var(--crt-glow);
  transform: translate(-50%, -50%);
  cursor: pointer;
  transition: transform 200ms;
  z-index: 10;
}

.blip:hover {
  transform: translate(-50%, -50%) scale(1.5);
}

.blip.active {
  background: var(--crt-green-bright);
  box-shadow: 0 0 12px oklch(0.85 0.18 145 / 0.6);
}

.blip-label {
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 9px;
  color: var(--crt-green-dim);
  white-space: nowrap;
  pointer-events: none;
}

/* --- Right Panel --- */
.side-panel {
  background: var(--crt-panel);
  padding: var(--space-s);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-s);
}

.panel-header {
  font-size: var(--step--2);
  color: var(--crt-green-dim);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  border-bottom: 1px solid var(--crt-border);
  padding-bottom: var(--space-3xs);
}

/* Signal Intercept (Project Detail) */
.signal-intercept {
  border: 1px solid var(--crt-border);
  padding: var(--space-xs);
  font-size: 12px;
}

.signal-name {
  color: var(--crt-green-bright);
  font-weight: 700;
  text-shadow: var(--crt-glow);
  margin-bottom: 4px;
}

.signal-desc {
  color: var(--crt-green-dim);
  line-height: 1.5;
  margin-bottom: 4px;
}

.signal-tech {
  color: var(--crt-amber);
  font-size: 11px;
}

/* System Status (Skills) */
.gauge {
  margin-bottom: var(--space-xs);
}

.gauge-label {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: var(--crt-green-dim);
  margin-bottom: 2px;
}

.gauge-bar {
  height: 4px;
  background: var(--crt-border);
  border-radius: 2px;
  overflow: hidden;
}

.gauge-fill {
  height: 100%;
  background: var(--crt-green);
  box-shadow: var(--crt-glow);
  transition: width 300ms;
}

/* Comm Log (Experience) */
.comm-log {
  font-size: 11px;
}

.log-entry {
  padding: var(--space-3xs) 0;
  border-bottom: 1px solid var(--crt-border);
  line-height: 1.5;
}

.log-timestamp {
  color: var(--crt-green-dim);
}

.log-message {
  color: var(--crt-green);
}

/* Contact */
.contact-signals {
  font-size: 12px;
}

.contact-signals a {
  display: block;
  color: var(--crt-green);
  text-decoration: none;
  padding: var(--space-3xs) 0;
  border-bottom: 1px solid var(--crt-border);
  transition: color 150ms;
}

.contact-signals a:hover {
  color: var(--crt-green-bright);
  text-shadow: var(--crt-glow);
}

/* --- Mobile --- */
@media (max-width: 900px) {
  .radar-container { padding: var(--space-s); border-right: none; border-bottom: 1px solid var(--crt-border); }
  .radar-scope { width: min(300px, 70vw); height: min(300px, 70vw); }
}