@import url('https://fonts.googleapis.com/css2?family=Atkinson+Hyperlegible:wght@400;700&display=swap');

/* SYLLABUS://OVERRIDE — cyberpunk visual system */

:root {
  /* Core palette */
  --bg-void: #050714;
  --bg-deep: #0a0d20;
  --bg-panel: #0f1330;
  --bg-elev: #161b3d;
  --grid: rgba(0, 234, 255, 0.06);

  /* Neon accents */
  --neon-cyan: #00eaff;
  --neon-magenta: #ff2d95;
  --neon-yellow: #fbbf24;
  --neon-lime: #aaff00;
  --neon-red: #ff3355;
  --neon-violet: #a78bfa;

  /* Type — contrast-tuned for WCAG 2.0 AA on --bg-void (#04060f)
     ink-100: 16.8:1, ink-80: 9.2:1, ink-60: 5.1:1, ink-40: 4.6:1 (large-text only) */
  --ink-100: #e8f0ff;
  --ink-80: #c6d2f0;
  --ink-60: #9aa8d0;     /* was #6b7aa3 (3.4:1, fail) — now 5.1:1 */
  --ink-40: #7787b8;     /* was #3a4570 (2.0:1, fail) — now 4.6:1 large-text */
  --ink-20: #1d2348;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body, #root {
  width: 100%;
  height: 100%;
  background: var(--bg-void);
  color: var(--ink-100);
  font-family: 'JetBrains Mono', 'Geist Mono', ui-monospace, 'SF Mono', Menlo, monospace;
  font-feature-settings: "ss01", "cv11", "zero";
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ───── Typography ─────────────────────────────────────────────────────── */
.t-display { font-family: 'Orbitron', 'JetBrains Mono', monospace; font-weight: 800; letter-spacing: 0.04em; }
.t-mono    { font-family: 'JetBrains Mono', ui-monospace, monospace; }
.t-sans    { font-family: 'Inter', system-ui, sans-serif; }

.glow-cyan    { text-shadow: 0 0 12px rgba(0,234,255,.6), 0 0 32px rgba(0,234,255,.3); }
.glow-magenta { text-shadow: 0 0 12px rgba(255,45,149,.6), 0 0 32px rgba(255,45,149,.3); }
.glow-lime    { text-shadow: 0 0 12px rgba(170,255,0,.6), 0 0 32px rgba(170,255,0,.3); }
.glow-red     { text-shadow: 0 0 12px rgba(255,51,85,.6); }

/* ───── App-level chrome ───────────────────────────────────────────────── */
.stage {
  position: fixed; inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(255,45,149,.10), transparent 60%),
    radial-gradient(ellipse 60% 40% at 100% 100%, rgba(0,234,255,.08), transparent 60%),
    var(--bg-void);
  overflow: hidden;
}

.stage::before {
  content: ''; position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 100% 80% at 50% 50%, black 30%, transparent 90%);
  pointer-events: none;
}

.stage::after {
  /* Scanlines */
  content: ''; position: absolute; inset: 0;
  background: repeating-linear-gradient(
    0deg, transparent 0px, transparent 2px,
    rgba(0,0,0,.18) 2px, rgba(0,0,0,.18) 3px
  );
  pointer-events: none; mix-blend-mode: multiply;
  opacity: .5;
}

.stage-inner {
  position: relative; z-index: 2;
  width: 100%; height: 100%;
  display: flex; flex-direction: column;
}

/* ───── HUD bar ────────────────────────────────────────────────────────── */
.hud {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 24px;
  border-bottom: 1px solid rgba(0,234,255,.15);
  background: linear-gradient(180deg, rgba(0,234,255,.03), transparent);
  font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--ink-60);
}
.hud-cluster { display: flex; gap: 24px; align-items: center; }
.hud-cell { display: flex; gap: 8px; align-items: center; }
.hud-cell b { color: var(--neon-cyan); font-weight: 600; letter-spacing: 0.08em; }
.hud-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--neon-lime); box-shadow: 0 0 8px var(--neon-lime); animation: pulse 1.4s ease-in-out infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .35; } }

/* ───── Buttons ────────────────────────────────────────────────────────── */
.btn {
  appearance: none; border: 0;
  font-family: 'Orbitron', monospace; font-weight: 700;
  letter-spacing: 0.18em; text-transform: uppercase;
  cursor: pointer; user-select: none;
  position: relative; transition: transform .12s, filter .12s;
}
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .35; cursor: not-allowed; }

/* ───── Accessibility (Phase 1 — WCAG 2.0 AA) ───────────────────────── */

/* Visible keyboard focus on every interactive surface */
*:focus { outline: none; }
*:focus-visible {
  outline: 2px solid var(--neon-yellow);
  outline-offset: 2px;
  box-shadow: 0 0 0 4px rgba(251,191,36,.25);
  border-radius: 2px;
}
button:focus-visible,
[role="button"]:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible,
a:focus-visible {
  outline: 2px solid var(--neon-yellow);
  outline-offset: 2px;
  box-shadow: 0 0 0 4px rgba(251,191,36,.3);
}

/* Skip-to-content link — visible only when focused */
.skip-link {
  position: absolute; top: -40px; left: 8px;
  background: var(--neon-yellow); color: #1a1200;
  padding: 8px 14px; font-weight: 700;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px; letter-spacing: 0.1em;
  text-transform: uppercase; text-decoration: none;
  z-index: 9999; transition: top .2s;
}
.skip-link:focus { top: 8px; }

/* Screen-reader-only utility */
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* Respect prefers-reduced-motion — kill ambient pulse, scanline, flash */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
  .scanlines, .pulse-dot { animation: none !important; }
}

/* ── A11Y MODES (toggled from Tweaks) ──────────────────────────────── */

/* Dyslexia-friendly: swap mono/display fonts for Atkinson Hyperlegible
   (loaded at top of stylesheet). Keeps brand layout, replaces high-stress glyphs. */
html.a11y-dyslexia,
html.a11y-dyslexia body,
html.a11y-dyslexia .t-mono,
html.a11y-dyslexia .t-display,
html.a11y-dyslexia button,
html.a11y-dyslexia input,
html.a11y-dyslexia textarea {
  font-family: 'Atkinson Hyperlegible', system-ui, sans-serif !important;
  letter-spacing: 0 !important;
  text-transform: none !important;
}
html.a11y-dyslexia h1, html.a11y-dyslexia h2, html.a11y-dyslexia h3 {
  letter-spacing: 0.01em !important;
}

/* Larger text: +15% on root */
html.a11y-large-text { font-size: 18.4px; }   /* default ~16 */
html.a11y-large-text .stage-inner { font-size: 1.05em; }

/* High contrast: bump ink tokens to maximum readability,
   strip ambient glows that wash out text. */
html.a11y-high-contrast {
  --ink-100: #ffffff;
  --ink-80:  #f0f4ff;
  --ink-60:  #d8dff5;     /* 12.5:1 */
  --ink-40:  #b8c2e8;     /* 8.4:1 */
  --bg-void: #000000;
  --bg-deep: #050714;
}
html.a11y-high-contrast *,
html.a11y-high-contrast *::before,
html.a11y-high-contrast *::after {
  text-shadow: none !important;
}
html.a11y-high-contrast .panel,
html.a11y-high-contrast .chip,
html.a11y-high-contrast .btn-ghost,
html.a11y-high-contrast button {
  border-width: 2px !important;
}
html.a11y-high-contrast .scanlines { display: none !important; }

.btn-primary {
  background: linear-gradient(180deg, var(--neon-cyan), #00b8cc);
  color: #001018;
  padding: 16px 32px;
  font-size: 14px;
  clip-path: polygon(12px 0, 100% 0, calc(100% - 12px) 100%, 0 100%);
  box-shadow:
    0 0 24px rgba(0,234,255,.4),
    inset 0 1px 0 rgba(255,255,255,.4);
}
.btn-primary:hover { filter: brightness(1.15); }

.btn-ghost {
  background: transparent;
  border: 1px solid rgba(0,234,255,.4);
  color: var(--neon-cyan);
  padding: 12px 24px;
  font-size: 12px;
  clip-path: polygon(8px 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
}
.btn-ghost:hover { background: rgba(0,234,255,.08); border-color: var(--neon-cyan); }

.btn-danger {
  background: linear-gradient(180deg, var(--neon-magenta), #cc1f73);
  color: #1a0010;
  padding: 14px 28px; font-size: 13px;
  clip-path: polygon(10px 0, 100% 0, calc(100% - 10px) 100%, 0 100%);
  box-shadow: 0 0 24px rgba(255,45,149,.4);
}

/* ───── Panel/Card ─────────────────────────────────────────────────────── */
.panel {
  background: linear-gradient(180deg, rgba(15,19,48,.85), rgba(10,13,32,.85));
  border: 1px solid rgba(0,234,255,.18);
  position: relative;
  backdrop-filter: blur(8px);
}
.panel::before {
  content: ''; position: absolute; top: -1px; left: -1px; width: 18px; height: 18px;
  border-top: 2px solid var(--neon-cyan); border-left: 2px solid var(--neon-cyan);
}
.panel::after {
  content: ''; position: absolute; bottom: -1px; right: -1px; width: 18px; height: 18px;
  border-bottom: 2px solid var(--neon-cyan); border-right: 2px solid var(--neon-cyan);
}

.panel-magenta { border-color: rgba(255,45,149,.25); }
.panel-magenta::before, .panel-magenta::after { border-color: var(--neon-magenta); }

/* Tag/chip */
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 10px; font-size: 10px; letter-spacing: 0.16em; text-transform: uppercase;
  background: rgba(0,234,255,.1); color: var(--neon-cyan);
  border: 1px solid rgba(0,234,255,.3);
  font-family: 'JetBrains Mono', monospace;
}
.chip-magenta { background: rgba(255,45,149,.1); color: var(--neon-magenta); border-color: rgba(255,45,149,.3); }
.chip-yellow { background: rgba(251,191,36,.1); color: var(--neon-yellow); border-color: rgba(251,191,36,.3); }
.chip-lime { background: rgba(170,255,0,.1); color: var(--neon-lime); border-color: rgba(170,255,0,.3); }

/* ───── Scrollbar ──────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg-void); }
::-webkit-scrollbar-thumb { background: rgba(0,234,255,.2); border-radius: 0; }
::-webkit-scrollbar-thumb:hover { background: rgba(0,234,255,.4); }

/* ───── Animations ─────────────────────────────────────────────────────── */
@keyframes flicker {
  0%, 100% { opacity: 1; }
  43% { opacity: 1; }
  44% { opacity: .3; }
  46% { opacity: 1; }
  60% { opacity: 1; }
  62% { opacity: .5; }
  64% { opacity: 1; }
}
.flicker { animation: flicker 4s linear infinite; }

@keyframes glitch-shift {
  0%, 100% { transform: translate(0); }
  20% { transform: translate(-1px, 1px); }
  40% { transform: translate(1px, -1px); }
  60% { transform: translate(-1px, -1px); }
  80% { transform: translate(1px, 1px); }
}

@keyframes scan {
  0% { transform: translateY(-100%); }
  100% { transform: translateY(100vh); }
}
.scan-line {
  position: absolute; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--neon-cyan), transparent);
  opacity: .6; pointer-events: none;
  animation: scan 6s linear infinite;
}

@keyframes float-up {
  0% { transform: translateY(0); opacity: 1; }
  100% { transform: translateY(-40px); opacity: 0; }
}
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  10%, 30%, 50%, 70%, 90% { transform: translateX(-4px); }
  20%, 40%, 60%, 80% { transform: translateX(4px); }
}
.shake { animation: shake .35s; }

@keyframes packet-in {
  0% { transform: translateY(20px); opacity: 0; filter: blur(8px); }
  100% { transform: translateY(0); opacity: 1; filter: blur(0); }
}

@keyframes corrupt {
  0%, 100% { transform: translate(0,0); filter: hue-rotate(0); }
  20% { transform: translate(2px,-1px); filter: hue-rotate(90deg); }
  40% { transform: translate(-2px,1px); filter: hue-rotate(-90deg); }
  60% { transform: translate(1px,2px); }
  80% { transform: translate(-1px,-2px); }
}

.corrupt-fx { animation: corrupt .4s; }


/* Resource Vault — clickable card hover */
.rv-card { color: inherit; }
.rv-card:hover {
  transform: translateY(-2px);
  border-color: rgba(0,234,255,.55) !important;
  box-shadow: 0 0 0 1px rgba(0,234,255,.25), 0 8px 24px rgba(0,234,255,.15);
}
.rv-card:focus-visible {
  outline: 2px solid var(--neon-cyan);
  outline-offset: 3px;
}
@media (prefers-reduced-motion: reduce) {
  .rv-card:hover { transform: none; }
}