:root{
  --btn-height: 46px;
  --btn-height-sm: 42px;
  --btn-radius: 14px;
  --btn-radius-pill: 999px;
  --btn-shell-pad: 2px;

  --btn-text: rgba(255,255,255,.96);
  --btn-text-soft: rgba(255,255,255,.94);
  --btn-focus: rgba(200,161,43,.55);

  /* shared shell at rest */
  --btn-shell-border: rgba(255,255,255,.14);
  --btn-shell-top: rgba(255,255,255,.05);
  --btn-shell-bottom: rgba(255,255,255,.015);
  --btn-shell-dark-1: #17181b;
  --btn-shell-dark-2: #0f1012;

  /* shared inner face at rest */
  --btn-face-rest-top: rgba(255,255,255,.045);
  --btn-face-rest-bottom: rgba(255,255,255,.008);
  --btn-face-rest-border: rgba(255,255,255,.06);

  --btn-shadow:
    inset 0 1px 0 rgba(255,255,255,.07),
    0 10px 24px rgba(0,0,0,.22);

  --btn-shadow-hover:
    inset 0 1px 0 rgba(255,255,255,.10),
    0 14px 30px rgba(0,0,0,.28);

  /* business families */
  --dw-1: #8FB8E8;
  --dw-2: #5F86B3;
  --dw-border: rgba(214,232,255,.34);
  --dw-inner-ring: rgba(190,215,240,.16);

  --de-1: #E5CB63;
  --de-2: #B78729;
  --de-border: rgba(255,232,156,.40);
  --de-inner-ring: rgba(255,232,156,.14);

  --pe-1: #654f2a;
  --pe-2: #5b4726;
  --pe-border: rgba(206,185,148,.30);
  --pe-inner-ring: rgba(206,185,148,.12);

  --neutral-3: #17181b;
  --neutral-4: #0f1012;
}

/* =========================================================
   BASE BUTTON SYSTEM
   ========================================================= */

a.btn,
button.btn,
.btn,
.shell-control,
.shell-account-btn,
.system-cta{
  --btn-accent-1: var(--neutral-3);
  --btn-accent-2: var(--neutral-4);
  --btn-accent-border: var(--btn-shell-border);
  --btn-accent-text: var(--btn-text);
  --btn-inner-ring: rgba(255,255,255,.05);

  --btn-shell-border-current: var(--btn-shell-border);
  --btn-shell-top-current: var(--btn-shell-top);
  --btn-shell-bottom-current: var(--btn-shell-bottom);
  --btn-shell-dark-current-1: var(--btn-shell-dark-1);
  --btn-shell-dark-current-2: var(--btn-shell-dark-2);

  --btn-face-rest-current-1: var(--btn-face-rest-top);
  --btn-face-rest-current-2: var(--btn-face-rest-bottom);
  --btn-face-rest-border-current: var(--btn-face-rest-border);

  --btn-face-hover-current-1: var(--btn-accent-1);
  --btn-face-hover-current-2: var(--btn-accent-2);
  --btn-face-hover-border-current: var(--btn-inner-ring);

  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--btn-height);
  padding: var(--btn-shell-pad);
  border-radius: var(--btn-radius);
  border: 1px solid var(--btn-shell-border-current);
  background:
    linear-gradient(180deg, var(--btn-shell-top-current), var(--btn-shell-bottom-current)),
    linear-gradient(180deg, var(--btn-shell-dark-current-1), var(--btn-shell-dark-current-2));
  color: var(--btn-text);
  -webkit-text-fill-color: var(--btn-text);
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  box-shadow: var(--btn-shadow);
  transition:
    transform .14s ease,
    filter .14s ease,
    border-color .18s ease,
    box-shadow .18s ease,
    background .18s ease,
    color .18s ease;
  -webkit-tap-highlight-color: transparent;
  overflow: hidden;
}

a.btn *,
button.btn *,
.btn *,
.shell-control *,
.shell-account-btn *,
.system-cta *{
  color: inherit;
  -webkit-text-fill-color: inherit;
}

.btn__face,
.shell-control .btn__face,
.system-cta > span,
.shell-account-btn > span{
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: calc(var(--btn-height) - (var(--btn-shell-pad) * 2));
  width: 100%;
  min-width: 0;
  padding: 0 16px;
  border-radius: calc(var(--btn-radius) - var(--btn-shell-pad));
  border: 1px solid var(--btn-face-rest-border-current);
  background:
    linear-gradient(180deg, var(--btn-face-rest-current-1), var(--btn-face-rest-current-2));
  color: inherit;
  -webkit-text-fill-color: inherit;
  font-family: "Montserrat", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  font-weight: 800;
  font-size: 12.5px;
  line-height: 1;
  letter-spacing: .04em;
  text-transform: uppercase;
  text-shadow: 0 2px 10px rgba(0,0,0,.28);
  pointer-events: none;
  transition:
    background .18s ease,
    border-color .18s ease,
    color .18s ease,
    box-shadow .18s ease;
}

@media (hover:hover){
  a.btn:hover,
  button.btn:hover,
  .btn:hover,
  .shell-control:hover,
  .shell-account-btn:hover,
  .system-cta:hover{
    transform: translateY(-1px);
    filter: none;
    border-color: var(--btn-accent-border);
    box-shadow: var(--btn-shadow-hover);
    color: var(--btn-accent-text);
    -webkit-text-fill-color: var(--btn-accent-text);
  }

  a.btn:hover .btn__face,
  button.btn:hover .btn__face,
  .btn:hover .btn__face,
  .shell-control:hover .btn__face,
  .shell-account-btn:hover > span,
  .system-cta:hover > span{
    background:
      linear-gradient(180deg, rgba(255,255,255,.14), rgba(255,255,255,.03)),
      linear-gradient(180deg, var(--btn-face-hover-current-1), var(--btn-face-hover-current-2));
    border-color: var(--btn-face-hover-border-current);
    box-shadow:
      inset 0 1px 0 rgba(255,255,255,.08),
      inset 0 0 0 1px var(--btn-face-hover-border-current);
  }
}

a.btn:active,
button.btn:active,
.btn:active,
.shell-control:active,
.shell-account-btn:active,
.system-cta:active{
  transform: translateY(0);
  filter: brightness(.98);
}

a.btn:focus-visible,
button.btn:focus-visible,
.btn:focus-visible,
.shell-control:focus-visible,
.shell-account-btn:focus-visible,
.system-cta:focus-visible{
  outline: 2px solid var(--btn-focus);
  outline-offset: 2px;
}

/* =========================================================
   SHAPE + SIZE HELPERS
   ========================================================= */

.btn--pill{
  border-radius: var(--btn-radius-pill);
}

.btn--pill .btn__face{
  border-radius: calc(var(--btn-radius-pill) - var(--btn-shell-pad));
}

.btn--sm,
.btn--sm .btn__face{
  min-height: var(--btn-height-sm);
}

/* =========================================================
   BUSINESS VARIANTS
   ========================================================= */

.btn--workspace,
.system-cta--workspace{
  --btn-accent-1: var(--dw-1);
  --btn-accent-2: var(--dw-2);
  --btn-accent-border: var(--dw-border);
  --btn-accent-text: rgba(255,255,255,.98);
  --btn-inner-ring: var(--dw-inner-ring);
}

.btn--engine,
.system-cta--engine{
  --btn-accent-1: var(--de-1);
  --btn-accent-2: var(--de-2);
  --btn-accent-border: var(--de-border);
  --btn-accent-text: rgba(255,255,255,.98);
  --btn-inner-ring: var(--de-inner-ring);
}

.btn--brand,
.btn--account,
.btn--support,
.system-cta--brand{
  --btn-accent-1: var(--pe-1);
  --btn-accent-2: var(--pe-2);
  --btn-accent-border: var(--pe-border);
  --btn-accent-text: rgba(255,255,255,.98);
  --btn-inner-ring: var(--pe-inner-ring);
}

.btn--neutral,
.btn.ghost,
.btn.tertiary{
  --btn-accent-1: var(--neutral-3);
  --btn-accent-2: var(--neutral-4);
  --btn-accent-border: rgba(255,255,255,.14);
  --btn-accent-text: rgba(255,255,255,.98);
  --btn-inner-ring: rgba(255,255,255,.06);
}

/* =========================================================
   GOLD SURFACE OPTION
   for truly gold buttons, not just gold hover
   ========================================================= */

.btn--gold,
.system-cta--gold{
  border-color: rgba(255,230,140,.34);
  background:
    linear-gradient(180deg, rgba(255,255,255,.10), rgba(255,255,255,.03)),
    linear-gradient(180deg, var(--de-1), var(--de-2));
  color: #111;
  -webkit-text-fill-color: #111;

  --btn-face-rest-current-1: rgba(255,255,255,.14);
  --btn-face-rest-current-2: rgba(255,255,255,.04);
  --btn-face-rest-border-current: rgba(255,255,255,.14);

  --btn-face-hover-current-1: var(--de-1);
  --btn-face-hover-current-2: var(--de-2);
  --btn-face-hover-border-current: var(--de-inner-ring);
  --btn-accent-border: rgba(255,230,140,.40);
  --btn-accent-text: #111;
}

.btn--gold *,
.system-cta--gold *{
  color: inherit;
  -webkit-text-fill-color: inherit;
}

/* =========================================================
   SHELL-SPECIFIC CONTROLS
   ========================================================= */

.shell-control{
  min-width: 132px;
}

.shell-account-btn{
  min-width: 0;
}

.shell-account-btn > span{
  padding: 0 15px;
}

/* =========================================================
   HERO BUTTONS
   ========================================================= */

.hero-btn{
  min-width: 220px;
  justify-content: center;
  text-align: center;
  flex: 0 0 auto;
}

.hero-btn .btn__face{
  padding-left: 18px;
  padding-right: 18px;
}

/* =========================================================
   CREDIT PACK BUTTONS
   ========================================================= */

.credit-pack{
  width: 52px;
  min-width: 52px;
  padding: var(--btn-shell-pad);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.credit-pack .btn__face{
  min-width: 0;
  padding: 0;
  gap: 0;
}

.credit-pack__coin{
  display: block;
  width: 28px;
  height: 28px;
  object-fit: contain;
  pointer-events: none;
}

.credit-pack__value{
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* =========================================================
   PAGE BRIDGES / LEGACY COMPATIBILITY
   keep only what still helps current pages
   ========================================================= */

.stage .lockup .actions .btn,
body.system .system-actions .btn{
  border: 1px solid rgba(255,255,255,.14);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.06),
    0 10px 24px rgba(0,0,0,.22);
}

.stage .lockup .actions > button.btn.secondary.audio-btn,
body.system .system-actions > :is(button,a).btn.secondary.audio-btn{
  --btn-accent-1: var(--dw-1);
  --btn-accent-2: var(--dw-2);
  --btn-accent-border: var(--dw-border);
  --btn-accent-text: rgba(255,255,255,.98);
  --btn-inner-ring: var(--dw-inner-ring);
}

.stage .lockup .actions > button.btn.secondary.audio-btn .ico{
  background: rgba(255,255,255,.08);
  border-color: rgba(255,255,255,.18);
  color: rgba(255,255,255,.98);
}

.stage .lockup .actions > button.btn.secondary.audio-btn[aria-pressed="true"] .ico{
  background: rgba(200,161,43,.16);
  border-color: rgba(200,161,43,.38);
}

.stage .lockup .actions > button.btn.secondary.audio-btn .audio-copy small{
  color: rgba(255,255,255,.82);
  -webkit-text-fill-color: rgba(255,255,255,.82);
}

/* =========================================================
   CREDITS LEGIBILITY
   ========================================================= */

a[href*="credits"],
a[href*="credits.html"],
.btn-credits,
.cta-credits,
.credits-btn,
.credit-btn,
.site-footer a[href*="credits"]{
  color: rgba(255,255,255,.97);
  -webkit-text-fill-color: rgba(255,255,255,.97);
  text-shadow:
    0 1px 0 rgba(0,0,0,.18),
    0 0 1px rgba(0,0,0,.30),
    0 0 8px rgba(0,0,0,.12);
}

a[href*="credits"] *,
a[href*="credits.html"] *,
.btn-credits *,
.cta-credits *,
.credits-btn *,
.credit-btn *{
  color: inherit;
  -webkit-text-fill-color: inherit;
}

/* =========================================================
   MOBILE
   ========================================================= */

@media (max-width: 720px){
  .hero-btn{
    min-width: 100%;
  }

  .shell-control{
    min-width: 0;
  }

  .btn__face,
  .shell-control .btn__face,
  .system-cta > span,
  .shell-account-btn > span{
    font-size: 12px;
    padding-left: 12px;
    padding-right: 12px;
  }
}

@media (max-width: 390px){
  .btn__face,
  .shell-control .btn__face,
  .system-cta > span,
  .shell-account-btn > span{
    font-size: 11px;
    letter-spacing: .03em;
    padding-left: 10px;
    padding-right: 10px;
  }
}
/* crown hierarchy */
.shell-crown-action{
  --btn-height: 52px;
}

.shell-crown-action .btn__face{
  font-size: 12px;
  letter-spacing: .06em;
}

.shell-utility{
  --btn-height: 40px;
}

.shell-utility .btn__face{
  font-size: 11px;
  letter-spacing: .08em;
}

/* workspace / engine pair should feel like the platform pillars */
.shell-crown-action--workspace{
  min-width: 0;
}

.shell-crown-action--engine{
  min-width: 0;
}

/* smaller utility buttons */
.shell-utility--nav,
.shell-utility--login,
.shell-utility--credits{
  min-width: 0;
}

@media (max-width: 480px){
  .shell-crown-action{
    --btn-height: 48px;
  }

  .shell-utility{
    --btn-height: 38px;
  }

  .shell-crown-action .btn__face{
    font-size: 11px;
  }

  .shell-utility .btn__face{
    font-size: 10px;
  }
}