/* ============================================================================
   PromptMeGood — Storyboard Studio (sb-1)
   Full-screen modal that turns one concept into a 5-shot visual storyboard.
   Uses the same dark teal/mint palette + bottom-sheet behavior on mobile as
   the Visual Studio modal.
   ============================================================================ */

#pmg-storyboard-modal.pmg-modal-overlay {
  position: fixed; inset: 0;
  background: rgba(4, 16, 14, 0.78);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 9000;
  display: flex; align-items: center; justify-content: center;
  padding: 24px;
  animation: pmgSbFade 180ms ease-out;
}
#pmg-storyboard-modal[hidden] { display: none !important; }
@keyframes pmgSbFade { from { opacity: 0; } to { opacity: 1; } }

#pmg-storyboard-modal .pmg-modal-content {
  background: var(--g2-teal-1, #0a2420);
  border: 1px solid color-mix(in srgb, var(--g2-mint, #3ee0a0) 20%, transparent);
  border-radius: 16px;
  width: 100%;
  max-width: 1100px;
  height: 90vh;
  max-height: 900px;
  display: flex; flex-direction: column;
  overflow: hidden;
  box-shadow: 0 32px 64px rgba(0, 0, 0, 0.5),
              0 0 0 1px rgba(62, 224, 160, 0.08);
  color: var(--color-text, #e8f5f0);
}

#pmg-storyboard-modal .pmg-modal-header {
  padding: 14px 20px;
  border-bottom: 1px solid color-mix(in srgb, var(--g2-mint, #3ee0a0) 14%, transparent);
  display: flex; justify-content: space-between; align-items: center;
  background: color-mix(in srgb, var(--g2-mint, #3ee0a0) 4%, transparent);
}
#pmg-storyboard-modal .pmg-modal-header h2 {
  margin: 0; font-size: 1.1rem; font-weight: 700;
  color: var(--g2-mint, #3ee0a0);
}
#pmg-close-storyboard {
  appearance: none; border: 0; background: transparent;
  color: var(--color-text, #e8f5f0); font-size: 1.4rem; line-height: 1;
  width: 36px; height: 36px; border-radius: 50%; cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center;
}
#pmg-close-storyboard:hover { background: color-mix(in srgb, var(--g2-mint, #3ee0a0) 14%, transparent); }

#pmg-storyboard-modal .pmg-modal-body {
  flex: 1; padding: 20px 22px;
  overflow-y: auto;
}

.pmg-sb-concept {
  background: color-mix(in srgb, var(--g2-mint, #3ee0a0) 8%, transparent);
  border: 1px solid color-mix(in srgb, var(--g2-mint, #3ee0a0) 18%, transparent);
  border-radius: 12px;
  padding: 12px 14px;
  margin-bottom: 16px;
  font-size: 0.95rem; line-height: 1.5;
}
.pmg-sb-concept strong {
  display: block;
  font-size: 0.74rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--g2-mint, #3ee0a0);
  margin-bottom: 4px;
}

.pmg-sb-panels {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}
.pmg-sb-panel {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 14px;
  padding: 12px;
  background: color-mix(in srgb, #000 22%, transparent);
  border: 1px solid color-mix(in srgb, var(--g2-mint, #3ee0a0) 14%, transparent);
  border-radius: 12px;
  align-items: start;
}
.pmg-sb-panel-img {
  width: 200px; height: 200px;
  border-radius: 10px;
  background: color-mix(in srgb, #000 35%, transparent);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
  border: 1px dashed color-mix(in srgb, var(--g2-mint, #3ee0a0) 18%, transparent);
}
.pmg-sb-panel-img img { width: 100%; height: 100%; object-fit: cover; }
.pmg-sb-panel-img .pmg-sb-spinner {
  width: 28px; height: 28px;
  border: 3px solid color-mix(in srgb, var(--g2-mint, #3ee0a0) 22%, transparent);
  border-top-color: var(--g2-mint, #3ee0a0);
  border-radius: 50%;
  animation: pmgSbSpin 900ms linear infinite;
}
@keyframes pmgSbSpin { to { transform: rotate(360deg); } }
.pmg-sb-panel-img .pmg-sb-fail {
  font-size: 0.78rem; color: #ff8a8a; padding: 8px; text-align: center;
}

.pmg-sb-panel-text {
  font-size: 0.92rem; line-height: 1.5;
  color: color-mix(in srgb, #fff 90%, transparent);
}
.pmg-sb-panel-text .pmg-sb-shot-label {
  display: inline-block;
  font-size: 0.7rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.08em;
  background: color-mix(in srgb, var(--g2-mint, #3ee0a0) 18%, transparent);
  color: var(--g2-mint, #3ee0a0);
  padding: 3px 8px; border-radius: 999px;
  margin-bottom: 6px;
}

.pmg-sb-actions {
  display: flex; flex-wrap: wrap; gap: 10px;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid color-mix(in srgb, var(--g2-mint, #3ee0a0) 14%, transparent);
}
.pmg-sb-btn {
  appearance: none; border: 0; cursor: pointer;
  font-family: inherit; font-weight: 700; font-size: 0.95rem;
  padding: 12px 18px; border-radius: 12px;
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
}
.pmg-sb-btn-primary {
  background: var(--g2-mint, #3ee0a0);
  color: var(--g2-teal-1, #0a2420);
}
.pmg-sb-btn-secondary {
  background: color-mix(in srgb, var(--g2-mint, #3ee0a0) 14%, transparent);
  color: var(--g2-mint, #3ee0a0);
  border: 1px solid color-mix(in srgb, var(--g2-mint, #3ee0a0) 30%, transparent);
}
.pmg-sb-btn:disabled { opacity: 0.55; cursor: not-allowed; }

.pmg-sb-loading {
  text-align: center; padding: 40px 20px;
  color: color-mix(in srgb, var(--g2-mint, #3ee0a0) 80%, #fff);
}
.pmg-sb-loading .pmg-sb-spinner-lg {
  width: 48px; height: 48px;
  border: 4px solid color-mix(in srgb, var(--g2-mint, #3ee0a0) 22%, transparent);
  border-top-color: var(--g2-mint, #3ee0a0);
  border-radius: 50%;
  margin: 0 auto 14px;
  animation: pmgSbSpin 900ms linear infinite;
}

.pmg-sb-error {
  background: color-mix(in srgb, #ff5050 10%, transparent);
  border: 1px solid color-mix(in srgb, #ff5050 30%, transparent);
  border-radius: 10px;
  padding: 12px;
  color: #ff8a8a;
  font-size: 0.9rem;
}

@media (max-width: 768px) {
  #pmg-storyboard-modal.pmg-modal-overlay {
    padding: 0;
    align-items: flex-end;
  }
  #pmg-storyboard-modal .pmg-modal-content {
    width: 100%; max-width: none;
    height: 100vh; height: 100dvh;
    max-height: none;
    border-radius: 18px 18px 0 0;
    animation: pmgSbSlideUp 220ms ease-out;
  }
  @keyframes pmgSbSlideUp {
    from { transform: translateY(100%); }
    to   { transform: translateY(0); }
  }
  .pmg-sb-panel {
    grid-template-columns: 1fr;
  }
  .pmg-sb-panel-img {
    width: 100%; height: auto; aspect-ratio: 1 / 1;
  }
}