/* ============================================================
   HELIOS · Milky Way Explorer
   "Mission Control / Deep Space Observatory" aesthetic
   ============================================================ */

:root {
  --bg:           #04060a;
  --bg-elev:      rgba(8, 12, 18, 0.78);
  --ink:          #d7dee9;
  --ink-dim:      #8090a3;
  --ink-faint:    #b2b2b2;
  --line:         rgba(120, 150, 180, 0.18);
  --line-strong:  rgba(140, 180, 220, 0.45);

  /* Accents — observatory amber + telescope cyan */
  --amber:        #FD7A33;
  --amber-glow:   rgba(253, 122, 51, 0.55);
  --cyan:         #00FFCC;
  --cyan-glow:    rgba(0, 255, 204, 0.55);
  --warn:         #ff0000;

  --mono:   'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;
  --serif:  'EB Garamond', 'Iowan Old Style', Georgia, serif;

  --frame-px: 1px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  overflow: hidden;
  cursor: default;
}

#stage {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  z-index: 0;
}

/* ─── tiny utility frame ───────────────────────────────────── */
.hud__corner {
  position: absolute;
  width: 10px;
  height: 10px;
  border: 1px solid var(--line-strong);
}
.hud__corner--tl { top: 0px; left: 0px;  border-right: 0; border-bottom: 0; }
.hud__corner--tr { top: 0px; right: 0px; border-left: 0;  border-bottom: 0; }
.hud__corner--bl { bottom: 0px; left: 0px;  border-right: 0; border-top: 0; }
.hud__corner--br { bottom: 0px; right: 0px; border-left: 0;  border-top: 0; }

/* ============================================================
   MOBILE BLOCK
   ============================================================ */
.mobile-block {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 2000;
  background:
    radial-gradient(ellipse at 50% 40%, rgba(253, 122, 51, 0.06), transparent 60%),
    var(--bg);
  place-items: center;
}
.mobile-block.is-visible {
  display: grid;
}

.mobile-block__frame {
  position: relative;
  width: min(420px, 90vw);
  padding: 48px 36px;
  border: 1px solid var(--line);
  background: rgba(8, 12, 18, 0.8);
  backdrop-filter: blur(8px);
  text-align: center;
}

.mobile-block__brackets span {
  position: absolute;
  width: 20px;
  height: 20px;
  border: 1px solid var(--amber);
  opacity: 0.7;
}
.mobile-block__brackets span:nth-child(1) { top: -1px;    left: -1px;  border-right: 0; border-bottom: 0; }
.mobile-block__brackets span:nth-child(2) { top: -1px;    right: -1px; border-left: 0;  border-bottom: 0; }
.mobile-block__brackets span:nth-child(3) { bottom: -1px; left: -1px;  border-right: 0; border-top: 0; }
.mobile-block__brackets span:nth-child(4) { bottom: -1px; right: -1px; border-left: 0;  border-top: 0; }

.mobile-block__label {
  font-size: 10px;
  letter-spacing: 0.32em;
  color: var(--amber);
  margin-bottom: 28px;
}
.mobile-block__icon {
  font-size: 48px;
  color: var(--amber);
  text-shadow: 0 0 24px var(--amber-glow);
  margin-bottom: 18px;
  line-height: 1;
}
.mobile-block__title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 32px;
  line-height: 1.1;
  margin: 0 0 18px;
  color: #fffaf0;
}
.mobile-block__body {
  font-size: 12px;
  color: var(--ink-dim);
  line-height: 1.7;
  margin: 0 0 16px;
  letter-spacing: 0.02em;
}
.mobile-block__hint {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--cyan);
  margin: 0;
}

/* ============================================================
   BOOT / LOADING
   ============================================================ */
.boot {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: grid;
  place-items: center;
  /* phase 2: whole overlay fades — starts strictly after bg is gone */
  transition: opacity 0.7s ease 0.6s, visibility 0s 1.4s;
}
/* The full-screen dark background lives here so it can fade independently */
.boot::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(ellipse at 50% 40%, rgba(95, 216, 255, 0.06), transparent 60%),
    radial-gradient(ellipse at 70% 80%, rgba(255, 180, 84, 0.04), transparent 60%),
    var(--bg);
  /* phase 1: background fades first */
  transition: opacity 0.5s ease;
  pointer-events: none;
}
.boot.is-done::before {
  opacity: 0;
}
.boot.is-done {
  opacity: 0;
  visibility: hidden;
}

.boot__frame {
  position: relative;
  z-index: 1;
  width: min(560px, 88vw);
  padding: 48px 44px;
  border: 1px solid var(--line);
  background: rgb(8, 12, 18);
}

.boot__brackets span {
  position: absolute;
  width: 22px;
  height: 22px;
  border: 1px solid var(--amber);
  opacity: 0.7;
}
.boot__brackets span:nth-child(1) { top: -1px; left: -1px;  border-right: 0; border-bottom: 0; }
.boot__brackets span:nth-child(2) { top: -1px; right: -1px; border-left: 0;  border-bottom: 0; }
.boot__brackets span:nth-child(3) { bottom: -1px; left: -1px;  border-right: 0; border-top: 0; }
.boot__brackets span:nth-child(4) { bottom: -1px; right: -1px; border-left: 0;  border-top: 0; }

.boot__label {
  font-size: 10px;
  letter-spacing: 0.32em;
  color: var(--amber);
  margin-bottom: 18px;
}
.boot__title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 44px;
  line-height: 1;
  margin: 0 0 14px;
  letter-spacing: -0.01em;
}
.boot__sub {
  font-size: 13px;
  color: var(--ink-dim);
  margin: 0 0 28px;
  max-width: 42ch;
}
.boot__sub em { color: var(--cyan); font-style: normal; }

.boot__bar {
  position: relative;
  height: 2px;
  background: var(--line);
  overflow: hidden;
  margin-bottom: 10px;
}
.boot__fill {
  position: absolute;
  inset: 0 100% 0 0;
  background: linear-gradient(90deg, var(--cyan), var(--amber));
  box-shadow: 0 0 12px var(--cyan-glow);
  transition: right 0.3s ease;
}

.boot__status {
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--ink-dim);
  margin-bottom: 32px;
}

.boot__meta {
  display: flex;
  justify-content: space-between;
  font-size: 10px;
  color: var(--ink-faint);
  letter-spacing: 0.18em;
  padding-top: 16px;
  border-top: 1px dashed var(--line);
}

/* ============================================================
   BRAND BADGE (top-left)
   ============================================================ */
.brand {
  position: fixed;
  top: 22px;
  left: 24px;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 12px;
  pointer-events: none;
}
.brand__mark {
  font-size: 22px;
  color: var(--amber);
  text-shadow: 0 0 14px var(--amber-glow);
  transform: translateY(-1px);
}
.brand__mark img {
  display: block;
  width: 40px;
  height: 40px;
  filter: drop-shadow(0 0 6px var(--cyan-glow));
}
.brand__name {
  font-family: var(--serif);
  font-size: 22px;
  line-height: 1;
  letter-spacing: 0.04em;
}
.brand__sub {
  font-size: 9px;
  letter-spacing: 0.28em;
  color: var(--ink-faint);
  margin-top: 4px;
}
.brand__sub a {
  color: var(--cyan);
  text-decoration: none;
  transition: color 0.15s ease;
  pointer-events: auto;
}
.brand__sub a:hover {
  color: var(--ink);
}

/* ============================================================
   HUD PANELS (generic)
   ============================================================ */
.hud {
  position: fixed;
  z-index: 10;
  padding: 18px 20px;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  backdrop-filter: blur(6px);
  min-width: 220px;
}
.hud__head {
  font-size: 10px;
  letter-spacing: 0.3em;
  color: var(--amber);
  margin-bottom: 12px;
}
.hud__note {
  margin-top: 10px;
  font-size: 10px;
  color: var(--ink-faint);
  letter-spacing: 0.18em;
}

.hud--telemetry { top: 22px; right: 24px; }
.hud--legend    { bottom: 22px; left: 24px; min-width: 260px; height: 260px; }

.hud-row--br {
  position: fixed;
  bottom: 22px;
  right: 24px;
  display: flex;
  flex-direction: row;
  align-items: flex-end;
  gap: 8px;
  z-index: 10;
}
.hud-row--br .hud {
  position: static;
}
.hud--actions { min-width: 180px; }
.hud--settings { min-width: 240px; }

.btn-sol { margin-bottom: 10px; }
.btn-sol:last-child { margin-bottom: 0; }

.btn-sol {
  display: block;
  width: 100%;
  margin-bottom: 16px;
  padding: 8px 8px;
  background: transparent;
  border: 1px solid var(--amber);
  color: var(--amber);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.26em;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease, box-shadow 0.15s ease;
}
.btn-sol:hover {
  background: var(--amber);
  color: #1a0f00;
  box-shadow: 0 0 14px var(--amber-glow);
}
.btn-sol.is-flying {
  opacity: 0.5;
  cursor: default;
  pointer-events: none;
}
.btn-exo { border-color: var(--cyan); color: var(--cyan); margin-bottom: 16px; }
.btn-exo:hover { background: var(--cyan); color: #001a14; box-shadow: 0 0 14px var(--cyan-glow); }
.btn-exo.is-active { background: var(--cyan); color: #001a14; }
.btn-exo.is-loading { opacity: 0.6; cursor: default; pointer-events: none; }

.hud__list { margin: 0; padding: 0; }
.hud__list > div {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 5px 0;
  border-bottom: 1px dashed var(--line);
  gap: 16px;
}
.hud__list > div:last-child { border-bottom: 0; }
.hud__list dt {
  margin: 0;
  font-size: 9px;
  letter-spacing: 0.22em;
  color: var(--ink-faint);
}
.hud__list dd {
  margin: 0;
  font-size: 12px;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}

/* ============================================================
   LEGEND
   ============================================================ */
.legend {
  list-style: none;
  margin: 0;
  padding: 0;
}
.legend li {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 0;
  font-size: 11px;
  color: var(--ink-dim);
}
.legend li span {
  margin-left: 8px;
  color: var(--ink);
  letter-spacing: 0.04em;
}
kbd {
  font-family: var(--mono);
  font-size: 10px;
  padding: 2px 7px;
  border: 1px solid var(--line-strong);
  border-bottom-width: 2px;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.03);
  color: var(--ink);
  letter-spacing: 0.04em;
  transition: background 0.06s ease, color 0.06s ease,
              border-color 0.06s ease, transform 0.06s ease,
              box-shadow 0.06s ease;
}
kbd.is-pressed {
  background: var(--amber);
  color: #1a0f00;
  border-color: var(--amber);
  border-bottom-width: 1px;
  transform: translateY(1px);
  box-shadow: 0 0 8px var(--amber-glow);
}

/* ============================================================
   SEGMENTED CONTROL + TOGGLE
   ============================================================ */
.seg {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  border: 1px solid var(--line-strong);
  margin-bottom: 14px;
}
.seg__btn {
  background: transparent;
  border: 0;
  border-right: 1px solid var(--line-strong);
  color: var(--ink-dim);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  padding: 8px 0;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}
.seg__btn:last-child { border-right: 0; }
.seg__btn:hover { color: var(--ink); background: rgba(255, 255, 255, 0.02); }
.seg__btn.is-active {
  background: var(--amber);
  color: #1a0f00;
  text-shadow: 0 0 0 rgba(0,0,0,0);
}

.toggle {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  user-select: none;
  font-size: 11px;
  color: var(--ink-dim);
  letter-spacing: 0.04em;
}
.toggle input { display: none; }
.toggle__track {
  position: relative;
  width: 30px;
  height: 14px;
  border: 1px solid var(--line-strong);
  background: rgba(0,0,0,0.3);
  transition: background 0.2s ease;
}
.toggle__thumb {
  position: absolute;
  top: 1px;
  left: 1px;
  width: 10px;
  height: 10px;
  background: var(--ink-dim);
  transition: transform 0.2s ease, background 0.2s ease;
}
.toggle input:checked + .toggle__track {
  background: rgba(95, 216, 255, 0.15);
  border-color: var(--cyan);
}
.toggle input:checked + .toggle__track .toggle__thumb {
  background: var(--cyan);
  transform: translateX(16px);
  box-shadow: 0 0 8px var(--cyan-glow);
}

/* ============================================================
   "YOU ARE HERE" PLAQUE (DOM label, projected via JS)
   ============================================================ */
.sol-label {
  position: fixed;
  z-index: 6;
  pointer-events: none;
  transform: translate(-50%, -50%);
  font-family: var(--mono);
}
.sol-label__dot {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 14px var(--amber-glow), 0 0 4px #fff inset;
  transform: translate(-50%, -50%);
}
.sol-label__leader {
  position: absolute;
  left: 3px;
  top: 0;
  width: 42px;
  height: 1px;
  background: var(--amber);
  opacity: 0.7;
  transform: translateY(-1px);
}
.sol-label__plaque {
  position: absolute;
  left: 48px;
  top: -22px;
  padding: 8px 12px 9px;
  border: 1px solid var(--amber);
  background: rgba(8, 12, 18, 0.82);
  white-space: nowrap;
  box-shadow: 0 0 22px rgba(0, 0, 0, 0.5);
}
.sol-label__plaque::before {
  /* corner tick */
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 8px;
  height: 8px;
  border-top: 1px solid var(--amber);
  border-left: 1px solid var(--amber);
}
.sol-label__tag {
  font-size: 9px;
  letter-spacing: 0.28em;
  color: var(--amber);
}
.sol-label__title {
  font-family: var(--serif);
  font-style: italic;
  font-size: 16px;
  margin-top: 2px;
  color: #fffaf0;
}
.sol-label__sub {
  font-size: 9px;
  color: var(--ink-dim);
  letter-spacing: 0.14em;
  margin-top: 2px;
}

/* ============================================================
   CENTER RETICLE
   ============================================================ */
.reticle {
  position: fixed;
  left: 50%;
  top: 50%;
  width: 28px;
  height: 28px;
  transform: translate(-50%, -50%);
  pointer-events: none;
  z-index: 5;
  opacity: 1;
}
.reticle span {
  position: absolute;
  background: var(--cyan);
}
.reticle__t, .reticle__b { left: 50%; width: 1px; height: 6px; transform: translateX(-50%); }
.reticle__l, .reticle__r { top: 50%;  width: 6px; height: 1px; transform: translateY(-50%); }
.reticle__t { top: 0; }
.reticle__b { bottom: 0; }
.reticle__l { left: 0; }
.reticle__r { right: 0; }

/* ============================================================
   INSPECTOR PANEL
   ============================================================ */
.inspector {
  position: fixed;
  top: 260px;
  bottom: 180px;
  right: 24px;
  transform: none;
  z-index: 20;
  width: 360px;
  overflow: hidden;
  background: rgba(8, 12, 18, 0.92);
  border: 1px solid var(--line-strong);
  backdrop-filter: blur(10px);
  animation: panelIn 0.35s cubic-bezier(0.2, 0.7, 0.2, 1);
}

.inspector__scroll {
  height: 100%;
  overflow-y: auto;
  padding: 28px 28px 24px;
}
.inspector[hidden] { display: none; }

@keyframes panelIn {
  from { opacity: 0; transform: translateX(8px); }
  to   { opacity: 1; transform: translateX(0); }
}

.inspector__corner {
  position: absolute;
  width: 14px;
  height: 14px;
  border: 1px solid var(--amber);
}
.inspector__corner--tl { top: 0px;    left: 0px;    border-right: 0; border-bottom: 0; }
.inspector__corner--tr { top: 0px;    right: 0px;   border-left: 0;  border-bottom: 0; }
.inspector__corner--bl { bottom: 0px; left: 0px;    border-right: 0; border-top: 0; }
.inspector__corner--br { bottom: 0px; right: 0px;   border-left: 0;  border-top: 0; }

.inspector__close {
  position: absolute;
  top: 10px;
  right: 12px;
  width: 24px;
  height: 24px;
  border: 0;
  background: transparent;
  color: var(--ink-dim);
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  transition: color 0.15s ease;
}
.inspector__close:hover { color: var(--amber); }

.inspector__eyebrow {
  font-size: 10px;
  letter-spacing: 0.32em;
  color: var(--amber);
  margin-bottom: 8px;
}
.inspector__name {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 30px;
  line-height: 1.05;
  margin: 0 0 4px;
  color: #fffaf0;
  letter-spacing: -0.01em;
}
.inspector__subname {
  font-size: 11px;
  color: var(--ink-dim);
  letter-spacing: 0.06em;
  margin-bottom: 20px;
}
.inspector__subname:empty { display: none; }

.inspector__stats {
  margin: 0 0 18px;
  padding: 0;
}
.inspector__stats > div {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 7px 0;
  border-bottom: 1px dashed var(--line);
  gap: 16px;
}
.inspector__stats dt {
  margin: 0;
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--ink-faint);
  text-transform: uppercase;
}
.inspector__stats dd {
  margin: 0;
  font-size: 12px;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.inspector__divider {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 22px 0 14px;
  font-size: 10px;
  letter-spacing: 0.28em;
  color: var(--cyan);
}
.inspector__divider::before,
.inspector__divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--line-strong);
}

.planets__state {
  font-size: 11px;
  color: var(--ink-dim);
  padding: 4px 0;
  letter-spacing: 0.04em;
}
.planet {
  padding: 12px 0;
  border-bottom: 1px dashed var(--line);
}
.planet:last-child { border-bottom: 0; }
.planet__name {
  font-family: var(--serif);
  font-size: 16px;
  font-style: italic;
  color: #fff;
  margin-bottom: 4px;
}
.planet__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px 16px;
  font-size: 11px;
  color: var(--ink-dim);
  font-variant-numeric: tabular-nums;
}
.planet__grid b {
  color: var(--ink);
  font-weight: 400;
}

/* Scrollbar (webkit) */
.inspector__scroll::-webkit-scrollbar { width: 4px; }
.inspector__scroll::-webkit-scrollbar-track { background: transparent; }
.inspector__scroll::-webkit-scrollbar-thumb { background: var(--line-strong); }

/* ============================================================
   RESPONSIVE — keep usable on small screens
   ============================================================ */
@media (max-width: 720px) {
  .hud { min-width: 0; padding: 14px 16px; }
  .hud--telemetry { top: 12px; right: 12px; }
  .hud--legend    { bottom: 12px; left: 12px; right: 12px; }
  .hud--settings  { top: 80px;    right: 12px; bottom: auto; }
  .brand { top: 12px; left: 14px; }
  .inspector {
    right: 12px; left: 12px;
    width: auto;
    top: auto; bottom: 12px;
    max-height: 55vh;
  }
  @keyframes panelIn {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
  }
}