/* ============================================================
   main.css — Base reset, palette, HUD, typography, shared utils
   ============================================================ */

/* ---------- CSS Custom Properties (neutral dark base) ---------- */
:root {
  --bg: #05060a;
  --bg-2: #0a0c14;
  --fg: #e8ecf3;
  --fg-dim: #8a93a6;
  --fg-faint: #4a5263;
  --accent: #f5a623;       /* amber accent (About/Contact/identity) */
  --accent-2: #00bfa5;     /* teal secondary */
  --danger: #ff4d4d;
  --ok: #33ff99;
  --grid-line: rgba(120, 140, 180, 0.08);

  /* themed project colors (overridden per-panel) */
  --theme-primary: var(--accent);
  --theme-bg: var(--bg);

  --panel-max: 1100px;
  --hud-pad: 22px;
  --radius: 4px;
  --transition-fast: 120ms ease;
  --transition-med: 300ms cubic-bezier(0.22, 1, 0.36, 1);

  font-synthesis: none;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--fg);
  font-family: 'JetBrains Mono', ui-monospace, 'SF Mono', Consolas, monospace;
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow: hidden;                 /* panels scroll internally */
}

body { position: relative; }

a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
img, canvas { display: block; max-width: 100%; }

::selection { background: var(--accent); color: #000; }

/* ---------- Canvas: persistent star field ---------- */
#starfield {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  display: block;
}

/* When a panel is open the star map dims but stays visible */
.star-map--dimmed #starfield {
  opacity: 0.28;
  filter: blur(2px) saturate(0.6);
  transition: opacity 600ms ease, filter 600ms ease;
}

/* ---------- HUD overlay ---------- */
#hud {
  position: fixed;
  inset: 0;
  z-index: 20;
  pointer-events: none;
}
#hud > * { pointer-events: auto; }

.hud-logo {
  position: absolute;
  top: var(--hud-pad);
  left: var(--hud-pad);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--fg);
  text-shadow: 0 0 12px rgba(245, 166, 35, 0.4);
}
.hud-logo-bracket { color: var(--accent); }
.hud-logo-text { color: var(--fg); }
.hud-logo .blink {
  display: inline-block;
  animation: caret 1s steps(1) infinite;
}
@keyframes caret { 50% { opacity: 0; } }

.hud-nav-hints {
  position: absolute;
  right: var(--hud-pad);
  bottom: var(--hud-pad);
  font-size: 11px;
  color: var(--fg-dim);
  letter-spacing: 0.04em;
  text-align: right;
  opacity: 0.85;
}
.hint-key {
  color: var(--accent);
  background: rgba(245, 166, 35, 0.08);
  border: 1px solid rgba(245, 166, 35, 0.25);
  padding: 1px 6px;
  border-radius: 3px;
  margin: 0 2px;
}

/* hide HUD hints when a panel is open */
body.panel-open .hud-nav-hints { opacity: 0; transition: opacity 300ms; }

/* ---------- HUD widgets (energy tracker + ticker) ---------- */
.hud-widget {
  position: absolute;
  top: var(--hud-pad);
  right: var(--hud-pad);
  width: 180px;
  padding: 10px 12px;
  background: rgba(8, 10, 16, 0.7);
  border: 1px solid rgba(120, 140, 180, 0.18);
  border-radius: var(--radius);
  backdrop-filter: blur(6px);
  font-size: 10px;
  letter-spacing: 0.08em;
}
.hud-widget-label {
  color: var(--fg-dim);
  text-transform: uppercase;
  margin-bottom: 4px;
}
.hud-widget-value {
  margin-top: 4px;
  font-size: 13px;
  font-weight: 700;
  color: var(--accent-2);
}
.hud-widget-value .unit { color: var(--fg-dim); font-weight: 400; }
#energy-chart { width: 100%; height: 40px; }

.hud-ticker {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 26px;
  background: rgba(5, 6, 10, 0.85);
  border-top: 1px solid rgba(120, 140, 180, 0.12);
  overflow: hidden;
  display: flex;
  align-items: center;
}
.ticker-track {
  display: flex;
  white-space: nowrap;
  will-change: transform;
}
.ticker-track .cmd {
  margin-right: 48px;
  font-size: 11px;
  color: var(--fg-dim);
}
.ticker-track .cmd .prompt { color: var(--accent-2); }
.ticker-track .cmd .flag { color: var(--accent); }

/* hide ticker on small heights / when panel open */
body.panel-open #terminal-ticker { opacity: 0; transition: opacity 300ms; }

/* ---------- Node tooltip ---------- */
.node-tooltip {
  position: fixed;
  z-index: 30;
  pointer-events: none;
  padding: 10px 12px;
  min-width: 160px;
  background: rgba(8, 10, 16, 0.92);
  border: 1px solid var(--theme-primary, var(--accent));
  border-radius: var(--radius);
  font-size: 11px;
  opacity: 0;
  transform: translate(-50%, -120%);
  transition: opacity 150ms ease;
  box-shadow: 0 0 24px rgba(0,0,0,0.6);
}
.node-tooltip.is-visible { opacity: 1; }
.node-tooltip .tt-name {
  font-weight: 700;
  color: var(--theme-primary, var(--accent));
  letter-spacing: 0.06em;
  margin-bottom: 3px;
}
.node-tooltip .tt-desc { color: var(--fg-dim); margin-bottom: 5px; }
.node-tooltip .tt-tech {
  font-size: 10px;
  color: var(--fg-faint);
  letter-spacing: 0.05em;
  margin-bottom: 6px;
}
.node-tooltip .tt-deploy {
  color: var(--theme-primary, var(--accent));
  font-size: 10px;
  letter-spacing: 0.08em;
}

/* ---------- Scroll progress bar (Phase 3) ---------- */
#scroll-progress {
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  height: 3px;
  z-index: 40;
  background: transparent;
  opacity: 0;
  transition: opacity 300ms;
}
#scroll-progress.is-active { opacity: 1; }
#scroll-progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--theme-primary, var(--accent)), var(--accent-2));
  box-shadow: 0 0 10px var(--theme-primary, var(--accent));
}

/* ---------- Page transition fade ---------- */
#page-transition {
  position: fixed;
  inset: 0;
  z-index: 45;
  background: var(--bg);
  pointer-events: none;
  opacity: 0;
  transition: opacity 200ms ease;
}
#page-transition.is-active { opacity: 0.5; }

/* ---------- Panel overlay base (Phase 3) ---------- */
#panels { position: fixed; inset: 0; z-index: 25; pointer-events: none; }

.panel {
  position: absolute;
  inset: 0;
  overflow-y: auto;
  overflow-x: hidden;
  pointer-events: auto;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-fast);
  background: linear-gradient(180deg, rgba(5,6,10,0.92), rgba(5,6,10,0.86));
  -webkit-overflow-scrolling: touch;
}
.panel.is-active { opacity: 1; visibility: visible; }

.panel-inner {
  max-width: var(--panel-max);
  margin: 0 auto;
  padding: 90px 32px 120px;
}

/* shared panel chrome */
.panel-return {
  position: fixed;
  top: var(--hud-pad);
  left: 50%;
  transform: translateX(-50%);
  z-index: 50;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(8, 10, 16, 0.85);
  border: 1px solid rgba(120,140,180,0.25);
  border-radius: var(--radius);
  color: var(--fg);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: var(--transition-fast);
  opacity: 0;
  pointer-events: none;
}
.panel-return.is-visible { opacity: 1; pointer-events: auto; }
.panel-return:hover { border-color: var(--theme-primary); color: var(--theme-primary); }

.panel-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  margin-top: 24px;
  background: transparent;
  border: 1px solid var(--theme-primary, var(--accent));
  border-radius: var(--radius);
  color: var(--theme-primary, var(--accent));
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: var(--transition-fast);
}
.panel-cta:hover {
  background: var(--theme-primary, var(--accent));
  color: #000;
  box-shadow: 0 0 20px rgba(245,166,35,0.4);
}

/* ---------- Typography helpers ---------- */
.eyebrow {
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--theme-primary, var(--accent));
  margin-bottom: 14px;
}
.panel h1 {
  font-size: clamp(36px, 7vw, 78px);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: 18px;
}
.panel h2 {
  font-size: clamp(20px, 3vw, 30px);
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 56px 0 18px;
}
.panel h3 {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--theme-primary, var(--accent));
  margin: 32px 0 12px;
}
.panel p { color: var(--fg-dim); margin-bottom: 14px; max-width: 64ch; }
.panel strong { color: var(--fg); }
.panel code {
  font-family: inherit;
  background: rgba(120,140,180,0.1);
  padding: 1px 6px;
  border-radius: 3px;
  font-size: 0.9em;
  color: var(--theme-primary, var(--accent));
}
.panel section { margin-bottom: 24px; }

/* ---------- Utility animations ---------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 700ms ease, transform 700ms cubic-bezier(0.22,1,0.36,1);
}
.reveal.is-revealed { opacity: 1; transform: none; }

/* ---------- Accessibility: reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .reveal { opacity: 1; transform: none; }
  #terminal-ticker, .hud-ticker .ticker-track { animation: none !important; }
}

/* ---------- Identity hero panel (Phase 8) ---------- */
.identity-panel .panel-inner { text-align: center; display: flex; flex-direction: column; align-items: center; padding-top: 110px; }
.identity-panel .tagline { margin-bottom: 28px; }
.identity-panel .term-bio {
  width: 100%;
  max-width: 620px;
  text-align: left;
  background: rgba(0,0,0,0.45);
  border: 1px solid rgba(120,140,180,0.18);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin-bottom: 32px;
  font-size: 13px;
}
.identity-panel .term-bio .term-line { color: var(--accent-2); min-height: 1.4em; }
.identity-panel .stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  width: 100%;
  max-width: 640px;
  margin-bottom: 28px;
}
.identity-panel .stat-cell {
  padding: 16px 8px;
  border: 1px solid rgba(120,140,180,0.18);
  border-radius: var(--radius);
  background: rgba(120,140,180,0.04);
}
.identity-panel .stat-value { font-size: 30px; font-weight: 800; color: var(--accent); line-height: 1; }
.identity-panel .stat-label { font-size: 9px; letter-spacing: 0.12em; color: var(--fg-dim); margin-top: 8px; text-transform: uppercase; }
.identity-panel .hero-cta { display: flex; gap: 16px; flex-wrap: wrap; justify-content: center; }
.identity-panel .hero-cta .panel-cta { margin-top: 0; }

/* ---------- Mobile HUD trimming (refined in mobile.css) ---------- */
@media (max-width: 768px) {
  .hud-nav-hints { display: none; }
  #energy-widget { width: 140px; }
}