/* ═══════════════════════════════════════════════════════════════
   akbar.me — Design System
   ───────────────────────────────────────────────────────────────
   Sections:
     0. Design Tokens  (colour · type · space · radius · shadow · motion)
     1. Base & Reset
     2. Custom Cursor
     3. Backgrounds & Overlays
     4. SPA View Management
     5. Back Button + Theme Toggle
     6. View: Hub  (bio + game world)
     7. View: Solvers (Wheel)
     8. View: Utility (Game Menu)
     9. View: Data (Dashboard)
    10. Shared Components
    11. Mobile Overrides
    12. Accessibility
   ═══════════════════════════════════════════════════════════════ */


/* ───────────────────────────────────────────────
   0. Design Tokens — Solar Dark (default)
   ─────────────────────────────────────────────── */
:root {
  /* ── Backgrounds ── */
  --bg-base: #0E0D1A;
  --bg-1:    #161429;
  --bg-2:    #201D38;
  --bg-3:    #2B2747;
  --bg-4:    #39325B;

  /* ── Borders ── */
  --bdr-0: #2A2640;
  --bdr-1: #393455;
  --bdr-2: #4A436C;
  --bdr-3: #5F5786;
  --bdr-4: #756D9F;

  /* ── Amber scale ── */
  --am-100: #FFF3CC;
  --am-200: #FFE082;
  --am-300: #FFC933;
  --am-400: #FFB300;
  --am-500: #F59E0B;
  --am-600: #D97706;
  --am-700: #B45309;
  --am-800: #92400E;
  --am-900: #78350F;

  /* ── Semantic colour ── */
  --accent:    #E08D73;
  --accent-lo: #C96F57;
  --accent-hi: #EBA690;
  --glow:      rgba(224, 141, 115, 0.30);
  --glow-sm:   rgba(224, 141, 115, 0.14);

  /* ── Section colours ── */
  --c-solvers:  #FB923C;
  --c-utility:  #A78BFA;
  --c-data:     #38BDF8;
  --c-success:  #34D399;
  --c-warn:     #FACC15;
  --c-error:    #F87171;

  /* ── Text ── */
  --t-0: #F6EEE8;   /* primary   */
  --t-1: #CBBEE0;   /* secondary */
  --t-2: #A192C0;   /* muted     */
  --t-3: #786B98;   /* faint     */

  /* ── Typography ── */
  --ff-disp:  'Bebas Neue', sans-serif;
  --ff-pixel: 'VT323', monospace;
  --ff-mono:  'DM Mono', monospace;
  --ff-sans:  'DM Sans', sans-serif;

  /* ── Spacing (4 px grid) ── */
  --sp1:  4px;
  --sp2:  8px;
  --sp3:  12px;
  --sp4:  16px;
  --sp5:  20px;
  --sp6:  24px;
  --sp8:  32px;
  --sp10: 40px;
  --sp12: 48px;
  --sp16: 64px;

  /* ── Border radius (keep sharp — pixel feel) ── */
  --r1: 2px;
  --r2: 4px;
  --r3: 6px;
  --r4: 10px;

  /* ── Pixel shadows (hard offset, near-zero blur) ── */
  --px1: 2px 2px 0 rgba(0, 0, 0, 0.72);
  --px2: 3px 3px 0 rgba(0, 0, 0, 0.78);
  --px3: 5px 5px 0 rgba(0, 0, 0, 0.82);
  --px4: 7px 7px 0 rgba(0, 0, 0, 0.86);

  /* ── Glow shadow ── */
  --shadow-glow:    0 0 22px var(--glow);
  --shadow-glow-sm: 0 0 10px var(--glow-sm);

  /* ── Motion ── */
  --t-micro: 60ms;
  --t-fast:  130ms;
  --t-mid:   270ms;
  --t-slow:  520ms;
  --t-bg:    1800ms;

  --ease:    cubic-bezier(0.22, 1, 0.36, 1);
  --ease-io: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-bo: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-px: steps(4, end);

  /* ── Border widths ── */
  --bw:      1.5px;
  --bw-lg:   2px;
}

/* ── Solar Light ── */
[data-theme="solar-light"] {
  /* Warmer, dimmer parchment-style light mode */
  --bg-base: #E7E0D6;
  --bg-1:    #DDD4C7;
  --bg-2:    #CFC2B0;
  --bg-3:    #BCAA92;
  --bg-4:    #A59276;

  --bdr-0:   #C1B19E;
  --bdr-1:   #AB9882;
  --bdr-2:   #907B64;
  --bdr-3:   #756048;
  --bdr-4:   #5D4A36;

  --t-0:     #2E261D;
  --t-1:     #4A3C2E;
  --t-2:     #5C4A38;
  --t-3:     #7A6450;  /* darkened: was #957F67, too low contrast on parchment */

  --accent:    #B56E52;
  --accent-lo: #95543D;
  --accent-hi: #CB8B72;
  --glow:      rgba(181, 110, 82, 0.20);
  --glow-sm:   rgba(181, 110, 82, 0.09);

  --px1: 2px 2px 0 rgba(0, 0, 0, 0.18);
  --px2: 3px 3px 0 rgba(0, 0, 0, 0.22);
  --px3: 5px 5px 0 rgba(0, 0, 0, 0.26);
  --px4: 7px 7px 0 rgba(0, 0, 0, 0.30);
}

/* ── Dark (cool obsidian) ── */
[data-theme="dark"] {
  --bg-base: #090814;
  --bg-1:    #100E1F;
  --bg-2:    #18152B;
  --bg-3:    #221D39;
  --bg-4:    #2D264A;

  --bdr-0:   #25213A;
  --bdr-1:   #34304E;
  --bdr-2:   #464163;
  --bdr-3:   #5C5680;
  --bdr-4:   #726B9D;

  --t-0:     #EFE6DE;
  --t-1:     #BEB0D3;
  --t-2:     #9588B1;
  --t-3:     #71658F;

  --accent:    #D98469;
  --accent-lo: #BC664F;
  --accent-hi: #E4A18A;
  --glow:      rgba(217, 132, 105, 0.26);
  --glow-sm:   rgba(217, 132, 105, 0.11);
}

/* ── Light (clean neutral with warm amber accents) ── */
[data-theme="light"] {
  /* Neutral Claude-like light mode (less bright than before) */
  --bg-base: #ECEAE6;
  --bg-1:    #E2DFDA;
  --bg-2:    #D3CFC8;
  --bg-3:    #C1BBB1;
  --bg-4:    #AAA396;

  --bdr-0:   #C2BCB2;
  --bdr-1:   #ABA498;
  --bdr-2:   #90887C;
  --bdr-3:   #756D62;
  --bdr-4:   #5D554B;

  --t-0:     #1E1C19;
  --t-1:     #3C3830;
  --t-2:     #524C44;
  --t-3:     #686058;  /* darkened: was #888076, too low contrast on gray-white */

  --accent:    #C47A61;
  --accent-lo: #A55F48;
  --accent-hi: #D99C87;
  --glow:      rgba(196, 122, 97, 0.18);
  --glow-sm:   rgba(196, 122, 97, 0.08);

  --px1: 2px 2px 0 rgba(44, 32, 16, 0.20);
  --px2: 3px 3px 0 rgba(44, 32, 16, 0.24);
  --px3: 5px 5px 0 rgba(44, 32, 16, 0.28);
  --px4: 7px 7px 0 rgba(44, 32, 16, 0.32);
}


/* ───────────────────────────────────────────────
   1. Base & Reset
   ─────────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0; padding: 0;
}
html, body {
  width: 100%; height: 100%;
  background: var(--bg-base);
  color: var(--t-0);
  font-family: var(--ff-sans);
  overflow-x: hidden;
  transition: background var(--t-mid) var(--ease-io),
              color var(--t-mid) var(--ease-io);
}
* { cursor: auto; }

a { color: inherit; }


/* ───────────────────────────────────────────────
   2. Custom Cursor
   ─────────────────────────────────────────────── */
#cursor-dot {
  position: fixed;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--glow);
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: background-color var(--t-slow), box-shadow var(--t-slow);
  display: none;
}
#cursor-ring {
  position: fixed;
  width: 34px; height: 34px;
  border-radius: 50%;
  border: 1.5px solid rgba(245, 158, 11, 0.4);
  pointer-events: none;
  z-index: 9998;
  transform: translate(-50%, -50%);
  transition: width var(--t-mid), height var(--t-mid),
              border-color var(--t-slow), opacity 0.25s;
  display: none;
}
#cursor-ring.hover {
  width: 50px; height: 50px;
  opacity: 0.6;
}


/* ───────────────────────────────────────────────
   3. Backgrounds & Overlays
   ─────────────────────────────────────────────── */
#bg-wrap {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}
.bg-layer {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  opacity: 0;
  transition: opacity var(--t-bg) var(--ease-io);
}
.bg-layer.active { opacity: 1; }
body.data-mode .bg-layer.active { opacity: 0.12 !important; }

/* Grain + scanline overlay */
#grain {
  position: fixed;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(
      180deg,
      transparent 0,
      transparent 1.5px,
      rgba(0, 0, 0, 0.04) 1.5px,
      rgba(0, 0, 0, 0.04) 2px
    ),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)'/%3E%3C/svg%3E");
  opacity: 0.07;
}

/* WIP pixel warning overlay */
#wip-overlay {
  position: fixed; inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.8s var(--ease-io), backdrop-filter 0.8s var(--ease-io);
}
body.is-wip #wip-overlay {
  opacity: 1;
  backdrop-filter: blur(10px) saturate(1.2);
  -webkit-backdrop-filter: blur(10px) saturate(1.2);
  background: repeating-linear-gradient(
    -45deg,
    rgba(250, 204, 21, 0.14) 0px, rgba(250, 204, 21, 0.14) 32px,
    rgba(0, 0, 0, 0.35) 32px, rgba(0, 0, 0, 0.35) 64px
  );
}
#wip-overlay::after {
  content: "WORK IN PROGRESS";
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%) rotate(-10deg);
  font-family: var(--ff-disp);
  font-size: clamp(60px, 12vw, 180px);
  color: rgba(250, 204, 21, 0.08);
  text-align: center;
  line-height: 0.9;
  letter-spacing: 0.02em;
  white-space: nowrap;
}
body.is-wip a {
  pointer-events: none !important;
  opacity: 0.45 !important;
}


/* ───────────────────────────────────────────────
   4. SPA View Management
   ─────────────────────────────────────────────── */
.app-view {
  position: absolute; inset: 0;
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transform: scale(0.98);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
  overflow-y: auto;
  overflow-x: hidden;
  padding: 4vh 2rem;
}
.app-view.active {
  opacity: 1;
  pointer-events: auto;
  transform: scale(1);
}


/* ───────────────────────────────────────────────
   5. Back Button + Theme Toggle
   ─────────────────────────────────────────────── */
#btn-back {
  position: fixed;
  top: var(--sp6); left: var(--sp6);
  z-index: 50;
  background: var(--bg-2);
  border: var(--bw) solid var(--bdr-2);
  color: var(--t-1);
  padding: var(--sp2) var(--sp5);
  border-radius: var(--r1);
  font-family: var(--ff-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  display: flex;
  align-items: center;
  gap: var(--sp2);
  box-shadow: var(--px2);
  transition:
    color var(--t-fast),
    background var(--t-fast),
    border-color var(--t-fast),
    transform var(--t-fast),
    box-shadow var(--t-fast),
    opacity var(--t-mid),
    translateX var(--t-mid);
  opacity: 0;
  pointer-events: none;
  transform: translateX(-12px);
}
#btn-back.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(0);
}
#btn-back:hover {
  background: var(--bg-3);
  border-color: var(--accent);
  color: var(--t-0);
  transform: translate(-1px, -1px);
  box-shadow: var(--px3);
}
#btn-back:active {
  transform: translate(1px, 1px);
  box-shadow: none;
}

/* Theme toggle — top right */
#btn-theme {
  position: fixed;
  top: var(--sp6); right: var(--sp6);
  z-index: 50;
  background: var(--bg-2);
  border: var(--bw) solid var(--bdr-2);
  color: var(--t-2);
  width: 36px; height: 36px;
  border-radius: var(--r1);
  display: grid;
  place-items: center;
  box-shadow: var(--px2);
  transition:
    color var(--t-fast),
    background var(--t-fast),
    border-color var(--t-fast),
    transform var(--t-fast),
    box-shadow var(--t-fast);
}
#btn-theme:hover {
  background: var(--bg-3);
  border-color: var(--accent);
  color: var(--accent);
  transform: translate(-1px, -1px);
  box-shadow: var(--px3);
}
#btn-theme:active {
  transform: translate(1px, 1px);
  box-shadow: none;
}
#btn-theme svg { width: 15px; height: 15px; }

.theme-menu {
  position: fixed;
  top: calc(var(--sp6) + 44px);
  right: var(--sp6);
  z-index: 60;
  min-width: 180px;
  padding: 4px;
  background: var(--bg-2);
  border: var(--bw) solid var(--bdr-3);
  box-shadow: var(--px3), 0 0 30px rgba(0,0,0,0.4);
  opacity: 0;
  transform: translateY(-6px) scale(0.97);
  pointer-events: none;
  transition: opacity var(--t-fast), transform var(--t-fast);
}
.theme-menu.open {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}
.theme-option {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 9px 10px;
  margin: 0;
  border: 1px solid transparent;
  background: transparent;
  color: var(--t-2);
  font-family: var(--ff-pixel);
  font-size: 0.88rem;
  letter-spacing: 0.1em;
  text-align: left;
  text-transform: uppercase;
  transition: background var(--t-fast), color var(--t-fast), border-color var(--t-fast);
}
.theme-option::before {
  content: '  ';
  opacity: 0;
  margin-right: -2px;
  transition: opacity var(--t-fast);
}
.theme-option.active::before  { content: '▶ '; opacity: 0.7; }
.theme-option:hover {
  background: var(--bg-3);
  color: var(--t-0);
  border-color: var(--bdr-2);
}
.theme-option.active {
  color: var(--accent);
  border-color: rgba(245,158,11,0.3);
  background: rgba(245,158,11,0.07);
}
.theme-swatch {
  width: 14px; height: 14px;
  border: 1px solid var(--bdr-3);
  flex: 0 0 auto;
  box-shadow: 1px 1px 0 rgba(0,0,0,0.5);
}


/* ═══════════════════════════════════════════════
   6. View: Hub  (bio panel + game world canvas)
   ═══════════════════════════════════════════════ */
#view-hub {
  padding: 0;
  overflow: hidden;
  flex-direction: column;
  align-items: stretch;
  justify-content: flex-start;
}

/* ── Bio panel (top) ── */
.hub-about {
  flex: 0 0 auto;
  position: relative;
  z-index: 10;
  padding: clamp(var(--sp5), 2.8vh, var(--sp10)) var(--sp8) clamp(var(--sp4), 2vh, var(--sp8)) calc(var(--sp8) + 6px);
  border-bottom: 1px solid var(--bdr-2);
  box-shadow: 0 1px 0 var(--bdr-1);
  display: flex;
  flex-direction: column;
  gap: var(--sp3);
  overflow: hidden;
  animation: fadeUp 0.7s var(--ease) 0.08s both;
}

/* Tricolor left stripe */
.hub-about::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 5px;
  background: linear-gradient(to bottom,
    var(--c-solvers) 0%,
    var(--accent)    38%,
    var(--c-utility) 68%,
    var(--c-data)    100%
  );
  z-index: 2;
}

/* Scanline texture */
.hub-about::after {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent  0, transparent  2px,
    rgba(0,0,0,0.05) 2px, rgba(0,0,0,0.05) 4px
  );
  pointer-events: none;
  z-index: 0;
}

.hub-about > * { position: relative; z-index: 1; }

/* The big name */
.hub-heading {
  font-family: var(--ff-pixel);
  font-size: clamp(4.5rem, 10vw, 9.2rem);
  line-height: 0.82;
  letter-spacing: 0.01em;
  color: var(--t-0);
  text-shadow:
    3px 3px 0 var(--accent-lo),
    6px 6px 0 rgba(0, 0, 0, 0.55),
    0 0 80px rgba(245, 158, 11, 0.10);
}

.hub-bio {
  font-size: 0.9rem;
  font-weight: 300;
  line-height: 1.72;
  color: var(--t-2);
  max-width: 560px;
}

.hub-links-overlay {
  display: flex;
  gap: var(--sp2);
  flex-wrap: wrap;
}

.about-link {
  font-family: var(--ff-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--t-2);
  border: var(--bw) solid var(--bdr-2);
  border-radius: var(--r1);
  padding: var(--sp2) var(--sp4);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: var(--sp2);
  background: var(--bg-2);
  box-shadow: var(--px2);
  transition:
    color var(--t-fast),
    background var(--t-fast),
    border-color var(--t-fast),
    transform var(--t-fast),
    box-shadow var(--t-fast);
}
.about-link:hover {
  color: var(--t-0);
  border-color: var(--accent);
  background: var(--bg-3);
  transform: translate(-1px, -1px);
  box-shadow: var(--px3);
}
.about-link:active {
  transform: translate(1px, 1px);
  box-shadow: none;
}
.about-link svg { flex-shrink: 0; }

/* ── Game world (bottom) ── */
.hub-world {
  flex: 1;
  position: relative;
  overflow: hidden;
  min-height: 0;
}

#game-canvas {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  display: block;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}


/* ═══════════════════════════════════════════════
   7. View: Solvers (Wheel)
   ═══════════════════════════════════════════════ */
#view-solvers { gap: 2vh; }

.wheel-wrap {
  position: relative;
  --ws: min(44vh, 86vw, 420px);
  width: var(--ws); height: var(--ws);
  flex-shrink: 0;
}
.pointer {
  position: absolute;
  top: -4px; left: 50%;
  transform: translateX(-50%);
  z-index: 20;
  width: 0; height: 0;
  border-left: 10px solid transparent;
  border-right: 10px solid transparent;
  border-top: 18px solid #d4a53a;
  filter:
    drop-shadow(0 0 8px rgba(212, 165, 58, 0.95))
    drop-shadow(0 0 20px rgba(212, 165, 58, 0.5));
}
.wheel-svg { width: 100%; height: 100%; display: block; }

#spin {
  transform-box: view-box;
  transform-origin: 50% 50%;
  transition: transform 0.85s var(--ease);
}
#spin.spin-random {
  transition: transform 3s cubic-bezier(0.12, 0.8, 0.28, 1);
}

/* Wheel hub circle */
.wheel-hub {
  position: absolute;
  top: 50%; left: 50%;
  width: 40%; height: 40%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  backdrop-filter: blur(28px) saturate(1.5);
  -webkit-backdrop-filter: blur(28px) saturate(1.5);
  background: rgba(12, 8, 1, 0.88);
  border: 1.5px solid rgba(212, 165, 58, 0.42);
  box-shadow:
    0 0 0 4px rgba(12, 8, 1, 0.5),
    0 8px 48px rgba(0, 0, 0, 0.8),
    inset 0 1px 0 rgba(255, 240, 180, 0.06);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  z-index: 10;
  overflow: hidden;
  transition: border-color var(--t-slow);
}
.hub-slot {
  overflow: hidden;
  height: 1.4em;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hub-inner { will-change: transform, opacity; line-height: 1.15; }
.hub-inner.out-next { animation: hOut  0.20s ease forwards; }
.hub-inner.out-prev { animation: hOut2 0.20s ease forwards; }
.hub-inner.in-next  { animation: hIn   0.38s var(--ease) both; }
.hub-inner.in-prev  { animation: hIn2  0.38s var(--ease) both; }

@keyframes hOut  { to { transform: translateY(-115%); opacity: 0; } }
@keyframes hOut2 { to { transform: translateY( 115%); opacity: 0; } }
@keyframes hIn   { from { transform: translateY( 115%); opacity: 0; } to { transform: none; opacity: 1; } }
@keyframes hIn2  { from { transform: translateY(-115%); opacity: 0; } to { transform: none; opacity: 1; } }

.hub-name {
  font-family: var(--ff-disp);
  font-size: clamp(0.8rem, 2.8vmin, 1.5rem);
  letter-spacing: 0.06em;
  color: var(--t-0);
  text-align: center;
}
.hub-domain {
  font-family: var(--ff-mono);
  font-size: clamp(0.38rem, 1.1vmin, 0.58rem);
  letter-spacing: 0.08em;
  color: rgba(255, 240, 180, 0.2);
  margin-top: 3px;
  text-align: center;
}

/* Info card */
.info-card {
  width: min(380px, 88vw);
  background: var(--bg-2);
  border: var(--bw) solid var(--bdr-2);
  border-radius: var(--r1);
  padding: var(--sp6) var(--sp6) var(--sp6);
  box-shadow: var(--px4);
  text-align: center;
  position: relative;
  transition: opacity var(--t-fast), transform var(--t-fast);
}
.info-card.out { opacity: 0; transform: translateY(8px); }

/* Corner brackets on info card */
.info-card::before, .info-card::after {
  content: '';
  position: absolute;
  width: 12px; height: 12px;
  border-color: var(--accent);
  border-style: solid;
  opacity: 0.4;
}
.info-card::before { top: 10px; left: 10px;  border-width: 1.5px 0 0 1.5px; }
.info-card::after  { bottom: 10px; right: 10px; border-width: 0 1.5px 1.5px 0; }

.info-num {
  font-family: var(--ff-pixel);
  font-size: 0.9rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: var(--sp3);
  transition: color var(--t-slow);
}
.info-title-link {
  font-family: var(--ff-disp);
  font-size: clamp(1.9rem, 4vmin, 2.8rem);
  letter-spacing: 0.04em;
  line-height: 1;
  margin-bottom: var(--sp3);
  display: block;
  color: var(--t-0);
  text-decoration: none;
  transition: opacity var(--t-fast);
}
.info-title-link:hover { opacity: 0.7; }
.info-desc {
  font-size: 0.82rem;
  font-weight: 300;
  color: var(--t-2);
  line-height: 1.65;
  margin-bottom: var(--sp3);
}
.info-stack {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp1);
  justify-content: center;
}
.s-tag {
  font-family: var(--ff-pixel);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  background: var(--bg-3);
  border: 1px solid var(--bdr-2);
  border-radius: var(--r1);
  padding: 1px var(--sp3);
  box-shadow: var(--px1);
  transition: color var(--t-slow), border-color var(--t-slow);
}

/* Controls area */
.controls {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp3);
}
.dots { display: flex; gap: 5px; align-items: center; }
.dot {
  height: 5px; width: 5px;
  border-radius: var(--r1);
  background: var(--bdr-2);
  transition: width var(--t-mid), background-color var(--t-slow);
}
.dot.on { width: 18px; }

.nav { display: flex; gap: var(--sp2); align-items: center; }

.nav-btn, .btn-spin-random {
  background: var(--bg-2);
  border: var(--bw) solid var(--bdr-2);
  border-radius: 50%;
  display: grid;
  place-items: center;
  box-shadow: var(--px1);
  color: var(--t-2);
  transition:
    color var(--t-fast),
    background var(--t-fast),
    border-color var(--t-fast),
    transform var(--t-fast),
    box-shadow var(--t-fast);
}
.nav-btn { width: 34px; height: 34px; }
.btn-spin-random {
  width: 38px; height: 38px;
  background: var(--bg-3);
  color: var(--t-1);
}
.nav-btn:hover, .btn-spin-random:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--bg-3);
  transform: translate(-1px, -1px);
  box-shadow: var(--px2);
}
.nav-btn:active, .btn-spin-random:active {
  transform: translate(1px, 1px);
  box-shadow: none;
}
.btn-spin-random.firing { animation: spinBtnFire 0.5s var(--ease); }
@keyframes spinBtnFire {
  0%   { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.hint {
  font-family: var(--ff-pixel);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  color: var(--t-3);
  text-transform: uppercase;
}


/* ═══════════════════════════════════════════════
   8. View: Utility (Game Inventory)
   ═══════════════════════════════════════════════ */
#view-utility { padding: var(--sp6) var(--sp4); justify-content: flex-start; }

.terminal-container {
  width: min(960px, 92vw);
  background: var(--bg-1);
  border: var(--bw) solid rgba(167, 139, 250, 0.38);
  border-radius: var(--r1);
  box-shadow:
    var(--px4),
    0 0 60px rgba(167, 139, 250, 0.07),
    inset 0 0 0 1px rgba(167, 139, 250, 0.04);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.term-header {
  background: rgba(167, 139, 250, 0.10);
  padding: var(--sp3) var(--sp5);
  border-bottom: 1px solid rgba(167, 139, 250, 0.22);
  display: flex;
  align-items: center;
  gap: var(--sp3);
}
.term-header span {
  font-family: var(--ff-pixel);
  font-size: 1.05rem;
  color: var(--c-utility);
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.term-header span::before {
  content: '▶ ';
  opacity: 0.5;
}
.term-header::after {
  content: 'TOOLS AVAILABLE';
  margin-left: auto;
  font-family: var(--ff-pixel);
  font-size: 0.75rem;
  color: rgba(167, 139, 250, 0.32);
  letter-spacing: 0.12em;
}

.term-list { display: flex; flex-direction: column; }

.term-row {
  display: grid;
  grid-template-columns: 66px 1fr auto;
  text-decoration: none;
  color: var(--t-2);
  align-items: stretch;
  position: relative;
  border-bottom: 1px solid rgba(255, 255, 255, 0.028);
  transition: background var(--t-fast);
}
.term-row:last-child { border-bottom: none; }

/* Animated left selection bar */
.term-row::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 4px;
  background: var(--c-utility);
  transform: scaleY(0);
  transform-origin: center;
  transition: transform 0.18s var(--ease);
}
.term-row.selected::before  { transform: scaleY(1); }
.term-row.selected          { background: rgba(167, 139, 250, 0.065); }

/* Slot / index — the distinctive game element */
.term-idx {
  display: grid;
  place-items: center;
  background: var(--bg-2);
  border-right: 1px solid rgba(255, 255, 255, 0.038);
  font-family: var(--ff-pixel);
  font-size: 1.85rem;
  color: var(--t-3);
  transition:
    color var(--t-fast),
    background var(--t-fast),
    box-shadow var(--t-fast),
    text-shadow var(--t-fast);
}
.term-row.selected .term-idx {
  color: var(--c-utility);
  background: rgba(167, 139, 250, 0.12);
  box-shadow: inset -3px 0 0 rgba(167, 139, 250, 0.5);
  text-shadow: 0 0 20px rgba(167, 139, 250, 0.65);
}

/* Title + desc */
.term-body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  padding: var(--sp4) var(--sp6);
  min-width: 0;
}
.term-title {
  font-family: var(--ff-disp);
  font-size: 1.3rem;
  letter-spacing: 0.07em;
  line-height: 1;
  color: var(--t-0);
}
.term-row.selected .term-title { color: var(--t-0); }
.term-desc {
  font-family: var(--ff-mono);
  font-size: 0.74rem;
  line-height: 1.52;
  color: var(--t-2);
}

/* Stack / right */
.term-stack {
  display: flex;
  flex-direction: column;
  gap: 4px;
  align-items: flex-end;
  justify-content: center;
  padding: var(--sp4) var(--sp5) var(--sp4) var(--sp3);
  min-width: 140px;
  border-left: 1px solid rgba(255, 255, 255, 0.028);
}
.term-tag {
  font-family: var(--ff-pixel);
  font-size: 0.8rem;
  letter-spacing: 0.07em;
  border: 1px solid rgba(167, 139, 250, 0.28);
  color: rgba(167, 139, 250, 0.72);
  padding: 1px 8px;
  background: rgba(167, 139, 250, 0.05);
  white-space: nowrap;
  transition: color var(--t-fast), border-color var(--t-fast), background var(--t-fast);
}
.term-row.selected .term-tag {
  color: var(--c-utility);
  border-color: rgba(167, 139, 250, 0.48);
  background: rgba(167, 139, 250, 0.10);
}

.term-visit-hint {
  display: none;
  font-family: var(--ff-pixel);
  font-size: 0.8rem;
  color: rgba(167, 139, 250, 0.5);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-top: var(--sp2);
}


/* ═══════════════════════════════════════════════
   9. View: Data (Dashboard)
   ═══════════════════════════════════════════════ */
.data-dashboard {
  width: min(1080px, 92vw);
  display: flex;
  gap: var(--sp10);
  align-items: center;
}

/* Left rail */
.data-nav {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 2.4rem;
  flex-shrink: 0;
}
.nav-line {
  position: absolute;
  top: 10px; bottom: 10px; left: 11px;
  width: 2px;
  background: linear-gradient(
    to bottom,
    rgba(255, 220, 130, 0) 0%,
    rgba(255, 220, 130, 0.08) 12%,
    rgba(255, 220, 130, 0.08) 88%,
    rgba(255, 220, 130, 0) 100%
  );
  z-index: 0;
}
.data-node {
  display: flex;
  align-items: center;
  gap: var(--sp5);
  position: relative;
  z-index: 1;
  opacity: 0.35;
  transition: all var(--t-mid) var(--ease);
}
.data-node.selected { opacity: 1; transform: translateX(8px); }
.data-node:hover    { opacity: 0.75; }

.node-ring {
  width: 24px; height: 24px;
  border-radius: 50%;
  border: var(--bw) solid var(--bdr-2);
  display: grid;
  place-items: center;
  background: var(--bg-1);
  transition: border-color var(--t-mid), box-shadow var(--t-mid);
}
.data-node.selected .node-ring {
  border-color: var(--acc);
  box-shadow: 0 0 14px rgba(var(--acc-rgb), 0.4);
}
.node-core {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--t-2);
  transition: all var(--t-mid);
}
.data-node.selected .node-core {
  width: 10px; height: 10px;
  background: var(--acc);
}
.node-label {
  font-family: var(--ff-pixel);
  font-size: 1.05rem;
  letter-spacing: 0.12em;
  color: var(--t-1);
  transition: color var(--t-mid), text-shadow var(--t-mid);
}
.data-node.selected .node-label {
  color: var(--acc);
  text-shadow: 0 0 14px rgba(var(--acc-rgb), 0.55);
}

/* Right panel */
.data-readout {
  flex-grow: 1;
  background: var(--bg-2);
  border: var(--bw) solid var(--bdr-2);
  border-radius: var(--r1);
  padding: var(--sp10) var(--sp10) var(--sp8);
  box-shadow: var(--px4), 0 0 60px rgba(0,0,0,0.3);
  position: relative;
  overflow: hidden;
}

/* Subtle grid backdrop on data readout */
.data-readout::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.018) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
  z-index: 0;
}
.data-readout > * { position: relative; z-index: 1; }

.readout-corner {
  position: absolute;
  width: 14px; height: 14px;
  border-color: var(--bdr-3);
  border-style: solid;
}
.readout-corner.tl { top: 14px;    left: 14px;   border-width: 2px 0 0 2px; }
.readout-corner.tr { top: 14px;    right: 14px;  border-width: 2px 2px 0 0; }
.readout-corner.bl { bottom: 14px; left: 14px;   border-width: 0 0 2px 2px; }
.readout-corner.br { bottom: 14px; right: 14px;  border-width: 0 2px 2px 0; }

.readout-eyebrow {
  font-family: var(--ff-pixel);
  font-size: 0.88rem;
  letter-spacing: 0.22em;
  margin-bottom: var(--sp4);
  transition: color var(--t-mid);
}
.readout-title {
  font-family: var(--ff-disp);
  font-size: clamp(2.8rem, 5.5vw, 4.2rem);
  letter-spacing: 0.03em;
  color: var(--t-0);
  text-decoration: none;
  display: block;
  margin-bottom: var(--sp5);
  line-height: 0.95;
  transition: opacity var(--t-fast);
}
.readout-title:hover { opacity: 0.72; }
.readout-desc {
  font-weight: 300;
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--t-2);
  margin-bottom: var(--sp8);
}
.readout-stack {
  display: flex;
  gap: var(--sp2);
  flex-wrap: wrap;
  padding-top: var(--sp5);
  border-top: 1px solid var(--bdr-1);
}

/* Flicker animation */
.flicker { animation: dataFlicker 0.42s var(--ease) both; }
@keyframes dataFlicker {
  0%   { opacity: 0;   transform: translateX(18px); filter: blur(4px); }
  40%  { opacity: 0.8; transform: translateX(-5px);  filter: blur(0); }
  60%  { opacity: 0.4; transform: translateX(2px); }
  100% { opacity: 1;   transform: translateX(0); }
}


/* ═══════════════════════════════════════════════
   10. Shared Components
   ═══════════════════════════════════════════════ */

/* Pixel panel — reusable base */
.px-panel {
  background: var(--bg-2);
  border: var(--bw) solid var(--bdr-2);
  border-radius: var(--r2);
  box-shadow: var(--px2);
}

/* Tag / badge */
.badge {
  display: inline-flex;
  align-items: center;
  font-family: var(--ff-mono);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.14rem var(--sp2);
  border-radius: var(--r1);
  border: 1px solid var(--bdr-2);
  background: var(--bg-3);
  color: var(--t-1);
  box-shadow: var(--px1);
}

/* Focus ring — accessible keyboard nav */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: var(--r1);
}


/* ═══════════════════════════════════════════════
   11. Mobile Overrides
   ═══════════════════════════════════════════════ */
@media (max-width: 768px) {
  :root {
    --sp6: 18px;
    --px3: 4px 4px 0 rgba(0, 0, 0, 0.80);
  }

  #btn-back, #btn-theme {
    top: var(--sp4);
  }
  #btn-back  { left: var(--sp4); padding: var(--sp2) var(--sp4); }
  #btn-theme { right: var(--sp4); }

  /* Hub bio — mobile */
  .hub-about {
    padding: var(--sp5) var(--sp5) var(--sp4) calc(var(--sp5) + 6px);
    gap: var(--sp2);
  }
  .hub-heading { font-size: clamp(3.2rem, 14vw, 5.5rem); }
  .hub-bio     { font-size: 0.84rem; }

  /* Utility — mobile rework */
  #view-utility { padding: var(--sp4) var(--sp3); }
  .term-row { grid-template-columns: 52px 1fr; }
  .term-stack  { display: none; }
  .term-row.selected .term-stack {
    display: flex;
    grid-column: 1 / -1;
    padding: 0 var(--sp5) var(--sp4);
    justify-content: flex-start;
    border-top: 1px solid rgba(167,139,250,0.12);
    margin-top: var(--sp2);
    flex-wrap: wrap;
  }
  .term-visit-hint {
    display: block;
    grid-column: 1 / -1;
    padding: var(--sp2) var(--sp5);
  }

  /* Data — mobile */
  .data-dashboard {
    flex-direction: column;
    gap: var(--sp6);
  }
  .data-nav {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    width: 100%;
    gap: var(--sp4);
  }
  .nav-line { display: none; }
  .data-node.selected { transform: translateY(-4px); }
  .data-readout {
    padding: var(--sp5) var(--sp5) var(--sp6);
    width: 100%;
  }
  .readout-title { font-size: 2.2rem; }
  .readout-desc  { font-size: 0.9rem; margin-bottom: var(--sp6); }
}


/* ═══════════════════════════════════════════════
   12. Accessibility + Reduced Motion
   ═══════════════════════════════════════════════ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .bg-layer { transition: none; }
}