/* Can You Beat Aiden — playful kit
   Light: StackGen DevOps Light (ui-kit stackgen-devops-light, warm H=75)
   Dark:  DevOps cool slate (vibe-ux data-devops-dark-neutrals=cool, H=250) + pastel purple
   Motion/shape: Duolingo-style tactile depth (solid bottom shelf, not soft shadow) */

:root,
[data-theme="cyba-light"] {
  /* DevOps Light page / ink (from ui-kit globals) */
  --cyba-page: oklch(0.992 0.0035 82);
  --cyba-surface: #ffffff;
  --cyba-surface-muted: #ece9e4;
  --cyba-border: oklch(0.910 0.008 75);
  --cyba-border-strong: oklch(0.845 0.010 75);
  --cyba-ink: #211c16;
  --cyba-ink-2: #66615a;
  --cyba-ink-3: #817c74;

  /* Brand pastel is decorative only on light (WCAG). Filled CTAs use deeper steps. */
  --cyba-brand: #ba99fd;          /* primary-500 */
  --cyba-accent: #a27de7;         /* primary-600 — filled button */
  --cyba-accent-hover: #8b63d0;   /* primary-700 */
  --cyba-accent-deep: #5e3a96;    /* primary-800 — shelf / pressed */
  --cyba-accent-soft: color-mix(in oklab, var(--cyba-brand) 22%, #fff);
  --cyba-on-accent: #ffffff;

  /* Selection (Duolingo blue → DevOps purple select) */
  --cyba-select-bg: color-mix(in oklab, var(--cyba-brand) 14%, #fff);
  --cyba-select-border: #a27de7;
  --cyba-select-shelf: #5e3a96;
  --cyba-select-ink: #5e3a96;

  /* Status */
  --cyba-ok: #34a853;
  --cyba-ok-soft: #e4f4e1;
  --cyba-bad: #de4a51;
  --cyba-bad-soft: #ffe6e5;
  --cyba-warn: #a56a00;
  --cyba-warn-soft: #f9edd6;

  /* Shape + type */
  --cyba-radius: 16px;
  --cyba-radius-sm: 12px;
  --cyba-radius-pill: 999px;
  --cyba-shelf: 4px;
  --cyba-font: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --cyba-mono: "IBM Plex Mono", ui-monospace, Menlo, monospace;
  --cyba-display: "Fredoka", "Trebuchet MS", system-ui, sans-serif;
}

/*
 * Dark = DevOps cool slate (vibe-ux data-devops-dark-neutrals="cool").
 * Pastel purple accent stays; neutrals sit on OKLCH H=250 instead of warm H=75.
 */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="cyba-light"]) {
    --cyba-page: #16191b;
    --cyba-surface-muted: #2a2e33;
    --cyba-surface: color-mix(in oklab, var(--cyba-surface-muted) 28%, var(--cyba-page));
    --cyba-border: oklch(0.280 0.010 250);
    --cyba-border-strong: oklch(0.340 0.010 250);
    --cyba-ink: #eff2f4;
    --cyba-ink-2: #c8ccd1;
    --cyba-ink-3: #adb2b8;
    --cyba-brand: #ba99fd;
    --cyba-accent: #ba99fd;
    --cyba-accent-hover: #c4a9ff;
    --cyba-accent-deep: #9670dc;
    --cyba-accent-soft: color-mix(in oklab, var(--cyba-brand) 20%, var(--cyba-page));
    --cyba-on-accent: #0f0124;
    --cyba-select-bg: color-mix(in oklab, var(--cyba-brand) 18%, var(--cyba-page));
    --cyba-select-border: #ba99fd;
    --cyba-select-shelf: #9670dc;
    --cyba-select-ink: #e8d9ff;
    --cyba-ok: #4ade80;
    --cyba-ok-soft: #14301e;
    --cyba-bad: #f07178;
    --cyba-bad-soft: #3a1c1f;
    --cyba-warn: #f5b14c;
    --cyba-warn-soft: #3a2a10;
  }
}

[data-theme="cyba-dark"] {
  --cyba-page: #16191b;
  --cyba-surface-muted: #2a2e33;
  --cyba-surface: color-mix(in oklab, var(--cyba-surface-muted) 28%, var(--cyba-page));
  --cyba-border: oklch(0.280 0.010 250);
  --cyba-border-strong: oklch(0.340 0.010 250);
  --cyba-ink: #eff2f4;
  --cyba-ink-2: #c8ccd1;
  --cyba-ink-3: #adb2b8;
  --cyba-brand: #ba99fd;
  --cyba-accent: #ba99fd;
  --cyba-accent-hover: #c4a9ff;
  --cyba-accent-deep: #9670dc;
  --cyba-accent-soft: color-mix(in oklab, var(--cyba-brand) 20%, var(--cyba-page));
  --cyba-on-accent: #0f0124;
  --cyba-select-bg: color-mix(in oklab, var(--cyba-brand) 18%, var(--cyba-page));
  --cyba-select-border: #ba99fd;
  --cyba-select-shelf: #9670dc;
  --cyba-select-ink: #e8d9ff;
  --cyba-ok: #4ade80;
  --cyba-ok-soft: #14301e;
  --cyba-bad: #f07178;
  --cyba-bad-soft: #3a1c1f;
  --cyba-warn: #f5b14c;
  --cyba-warn-soft: #3a2a10;
}

/* ---- Buttons (tactile shelf) ---- */
.cyba-btn {
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  min-height: 52px;
  padding: 0 18px;
  border-radius: var(--cyba-radius);
  border: 2px solid transparent;
  border-bottom-width: calc(2px + var(--cyba-shelf));
  font: 700 15px/1.1 var(--cyba-font);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  user-select: none;
  transition: transform .08s ease, filter .12s ease, background .12s ease, border-color .12s ease;
}
.cyba-btn:focus-visible { outline: 2px solid var(--cyba-accent); outline-offset: 3px; }
.cyba-btn:active:not(:disabled) {
  transform: translateY(var(--cyba-shelf));
  border-bottom-width: 2px;
  margin-bottom: var(--cyba-shelf);
}
.cyba-btn:disabled {
  cursor: not-allowed;
  background: var(--cyba-surface-muted);
  color: var(--cyba-ink-3);
  border-color: var(--cyba-border);
  border-bottom-color: var(--cyba-border-strong);
}

.cyba-btn--primary {
  background: var(--cyba-accent);
  color: var(--cyba-on-accent);
  border-color: var(--cyba-accent);
  border-bottom-color: var(--cyba-accent-deep);
}
.cyba-btn--primary:hover:not(:disabled) { filter: brightness(1.04); }

.cyba-btn--secondary {
  background: var(--cyba-surface);
  color: var(--cyba-accent-deep);
  border-color: var(--cyba-border-strong);
  border-bottom-color: color-mix(in oklab, var(--cyba-border-strong) 70%, var(--cyba-ink-3));
}
.cyba-btn--secondary:hover:not(:disabled) { background: var(--cyba-surface-muted); }

.cyba-btn--ghost {
  background: transparent;
  color: var(--cyba-ink-2);
  border-color: transparent;
  border-bottom-width: 2px;
  text-transform: none;
  letter-spacing: 0;
  font-weight: 600;
  min-height: 44px;
}
.cyba-btn--ghost:active:not(:disabled) { margin-bottom: 0; transform: none; }

/* ---- Option / choice cards ---- */
.cyba-option {
  appearance: none;
  width: 100%;
  text-align: left;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: var(--cyba-surface);
  color: var(--cyba-ink);
  border: 1.5px solid var(--cyba-border);
  border-bottom-width: 4px;
  border-bottom-color: var(--cyba-border-strong);
  border-radius: var(--cyba-radius-sm);
  font: 600 15px/1.3 var(--cyba-font);
  cursor: pointer;
  transition: background .12s ease, border-color .12s ease, color .12s ease, transform .08s ease;
}
.cyba-option:focus-visible { outline: 2px solid var(--cyba-accent); outline-offset: 2px; }
.cyba-option:hover:not(:disabled):not([aria-pressed="true"]) {
  border-color: color-mix(in oklab, var(--cyba-accent) 35%, var(--cyba-border));
  border-bottom-color: color-mix(in oklab, var(--cyba-accent) 45%, var(--cyba-border-strong));
}
.cyba-option:active:not(:disabled) {
  transform: translateY(1px);
}
.cyba-option[aria-pressed="true"],
.cyba-option.is-selected {
  background: var(--cyba-select-bg);
  color: var(--cyba-select-ink);
  border-color: var(--cyba-select-border);
  border-bottom-color: var(--cyba-select-shelf);
}
.cyba-option:disabled { opacity: .45; cursor: default; }
.cyba-option .cyba-option__mark {
  width: 24px; height: 24px; flex-shrink: 0;
  border-radius: 8px;
  border: 1.5px solid var(--cyba-border-strong);
  background: var(--cyba-surface);
  display: grid; place-items: center;
  font-size: 13px; font-weight: 800; line-height: 1;
}
.cyba-option[aria-pressed="true"] .cyba-option__mark,
.cyba-option.is-selected .cyba-option__mark {
  background: var(--cyba-select-border);
  border-color: var(--cyba-select-border);
  color: var(--cyba-on-accent);
}
.cyba-option__body { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 2px; }
.cyba-option__sub { font: 400 12.5px/1.35 var(--cyba-font); color: var(--cyba-ink-3); }
.cyba-option[aria-pressed="true"] .cyba-option__sub,
.cyba-option.is-selected .cyba-option__sub { color: color-mix(in oklab, var(--cyba-select-ink) 70%, var(--cyba-ink-3)); }

/* ---- Speech popover (mascot bubble) ---- */
.cyba-popover {
  position: relative;
  margin: 0;
  width: fit-content;
  max-width: min(34ch, 100%);
  padding: 14px 16px;
  background: var(--cyba-surface);
  color: var(--cyba-ink);
  border: 2px solid var(--cyba-border);
  border-radius: 18px;
  font: 500 15px/1.4 var(--cyba-font);
  text-align: left;
  text-wrap: pretty;
}
.cyba-popover b { color: var(--cyba-accent-deep); font-weight: 700; }
.cyba-popover--below::after,
.cyba-popover::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 100%;
  transform: translateX(-50%);
  border: 9px solid transparent;
  border-top-color: var(--cyba-surface);
  filter: drop-shadow(0 2px 0 var(--cyba-border));
}
.cyba-popover--side {
  text-align: left;
}
.cyba-popover--side::after {
  left: 3px;
  top: 50%;
  transform: translate(-100%, -50%);
  border: 9px solid transparent;
  border-right-color: var(--cyba-surface);
  filter: drop-shadow(-2px 0 0 var(--cyba-border));
  z-index: 1;
}
.cyba-popover--below::after {
  top: calc(100% - 3px);
  z-index: 1;
}

/* ---- Progress ---- */
.cyba-progress {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
}
.cyba-progress__track {
  flex: 1;
  height: 14px;
  border-radius: var(--cyba-radius-pill);
  background: var(--cyba-surface-muted);
  overflow: hidden;
}
.cyba-progress__fill {
  height: 100%;
  width: var(--cyba-progress, 0%);
  border-radius: inherit;
  background: var(--cyba-accent);
  transition: width .25s ease;
}
.cyba-progress__label {
  font: 600 12px var(--cyba-mono);
  color: var(--cyba-ink-3);
  min-width: 3ch;
}

/* ---- Tiny helpers used with the kit ---- */
.cyba-stack { display: flex; flex-direction: column; gap: 12px; }
.cyba-stack--tight { gap: 8px; }
.cyba-muted { color: var(--cyba-ink-2); }
.cyba-faint { color: var(--cyba-ink-3); }
.cyba-label {
  margin: 0;
  font: 600 12px/1 var(--cyba-mono);
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--cyba-ink-3);
}

@media (prefers-reduced-motion: reduce) {
  .cyba-btn, .cyba-option, .cyba-progress__fill { transition: none; }
}