/* ================================================================
   STORMBERRY FIRST-RUN GATE (styling)
   CheapBeer, mandatory tier.

   GENERATED FILE. Do not edit this copy: it is overwritten. Edit
   build-gates.py at the root of the GitHub folder and re-run it, so
   every app stays in step.
================================================================ */

/* The gate borrows this app's own tokens. Nothing here invents a colour, so
   the modal follows the palette wherever the app takes it, including the
   apps that recolour themselves at runtime. */
.sb-gate-overlay {
  --sb-gate-accent:    var(--accent-gold);
  --sb-gate-accent-bg: var(--grad-primary);
  --sb-gate-anim:      var(--t-slow);
  --sb-gate-btn-fg:    var(--bg-base);

  position: fixed;
  inset: 0;
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--sp-md);
  /* Flat scrim first for older engines, then the same shade mixed from the
     app's own background so the gate never looks foreign. */
  background: rgba(0, 0, 0, 0.72);
  background: color-mix(in srgb, var(--bg-base) 78%, transparent);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  overscroll-behavior: contain;
  animation: sb-gate-fade 220ms ease both;
}

html.sb-gate-open,
html.sb-gate-open body { overflow: hidden; }

.sb-gate-dialog {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--sp-lg);
  width: min(34rem, 100%);
  max-height: min(88vh, 46rem);
  overflow: hidden;
  padding: var(--sp-xl);
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-card);
  color: var(--text-primary);
  font-family: var(--font-sans);
  /* These apps are dark only, so the browser's own furniture, the scrollbar in
     the prose region above all, should be dark too. */
  color-scheme: dark;
  animation: sb-gate-rise var(--sb-gate-anim) both;
}

/* Same top hairline the app's own cards carry. */
.sb-gate-dialog::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
}

.sb-gate-dialog:focus { outline: none; }

.sb-gate-kicker {
  margin: 0;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--sb-gate-accent);
}

.sb-gate-title {
  margin: calc(var(--sp-sm) * -1) 0 0;
  font-size: 1.4rem;
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-primary);
}

/* Only the prose scrolls, so the button stays reachable on a short screen. */
.sb-gate-scroll {
  min-height: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding-right: var(--sp-sm);
  scrollbar-width: thin;
}

.sb-gate-body p {
  margin: 0 0 var(--sp-md);
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

.sb-gate-body p:last-child { margin-bottom: 0; }
.sb-gate-body strong { color: var(--text-primary); font-weight: 600; }

.sb-gate-body a {
  color: var(--sb-gate-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.sb-gate-ack {
  margin: 0;
  padding: var(--sp-sm) 0 var(--sp-sm) var(--sp-md);
  border-left: 3px solid var(--sb-gate-accent);
  font-size: 0.9rem;
  line-height: 1.55;
  color: var(--text-primary);
}

.sb-gate-actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-sm);
}

.sb-gate-btn {
  width: 100%;
  padding: 0.8rem 1.5rem;
  border: none;
  border-radius: var(--r-md);
  background: var(--sb-gate-accent-bg);
  color: var(--sb-gate-btn-fg);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: transform var(--t-fast), box-shadow var(--t-fast);
}

.sb-gate-btn:hover { transform: translateY(-1px); }
.sb-gate-btn:active { transform: scale(0.98); }

.sb-gate-link {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--t-fast);
}

.sb-gate-link:hover { color: var(--sb-gate-accent); }

.sb-gate-btn:focus-visible,
.sb-gate-link:focus-visible,
.sb-gate-body a:focus-visible {
  outline: 2px solid var(--sb-gate-accent);
  outline-offset: 3px;
}

/* Refused dismissal. The border flash carries the message on its own, which is
   why it sits outside the reduced-motion block. */
.sb-gate-dialog.is-nudged { border-color: var(--sb-gate-accent); }

@keyframes sb-gate-fade {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes sb-gate-rise {
  from { opacity: 0; transform: translateY(16px) scale(0.98); }
  to   { opacity: 1; transform: none; }
}

@keyframes sb-gate-nudge {
  0%, 100% { transform: none; }
  20%      { transform: translateX(-6px); }
  40%      { transform: translateX(6px); }
  60%      { transform: translateX(-4px); }
  80%      { transform: translateX(4px); }
}

.sb-gate-dialog.is-nudged { animation: sb-gate-nudge 340ms ease both; }

@media (max-width: 480px) {
  .sb-gate-dialog { padding: var(--sp-lg); gap: var(--sp-md); }
  .sb-gate-title  { font-size: 1.2rem; }
}

@media (prefers-reduced-motion: reduce) {
  .sb-gate-overlay,
  .sb-gate-dialog,
  .sb-gate-dialog.is-nudged { animation: none; }
  .sb-gate-btn,
  .sb-gate-link { transition: none; }
  .sb-gate-btn:hover,
  .sb-gate-btn:active { transform: none; }
}