/*
 * Card-detail popup (SRS Phase 4 §1–3). One <dialog> element, mounted once
 * near the end of <body> by card-popup.js — never duplicated per card, never
 * nested inside the transformed spread-stage. Layering follows the scale
 * declared in variables.css.
 */

.card-popup {
  border: none;
  padding: 0;
  margin: auto;
  max-width: min(560px, calc(100vw - 2rem));
  max-height: min(88vh, 820px);
  width: 100%;
  background: var(--color-surface);
  color: var(--color-text);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  z-index: var(--z-dialog);
  overflow: hidden;
}

.card-popup::backdrop {
  background: rgba(10, 12, 24, 0.72);
  z-index: var(--z-dialog-backdrop);
}

/* Fallback modal (used only if the browser has no working <dialog>) shares
   the same class names; these two rules position it like a native dialog. */
.card-popup[data-fallback="true"] {
  position: fixed;
  inset: 0;
  z-index: var(--z-dialog);
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  max-height: none;
  max-width: none;
  width: auto;
  border-radius: 0;
  box-shadow: none;
  overflow: visible;
}
.card-popup[data-fallback="true"] .card-popup__inner {
  max-width: min(560px, calc(100vw - 2rem));
  max-height: min(88vh, 820px);
}
.card-popup[data-fallback="true"]::before {
  content: "";
  position: fixed;
  inset: 0;
  background: rgba(10, 12, 24, 0.72);
  z-index: var(--z-dialog-backdrop);
}

.card-popup__inner {
  display: flex;
  flex-direction: column;
  max-height: min(88vh, 820px);
  position: relative;
  z-index: 1;
}

.card-popup__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 1rem;
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
}

.card-popup__count {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.card-popup__close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  min-width: 44px;
  min-height: 44px;
  border-radius: 999px;
  font-size: 1.3rem;
  line-height: 1;
  color: var(--color-text);
}
.card-popup__close:hover,
.card-popup__close:focus-visible {
  background: var(--color-bg-soft);
  color: var(--color-gold-light);
}
.card-popup__close:focus-visible { outline: 2px solid var(--color-gold-light); outline-offset: 2px; }

.card-popup__body {
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  flex: 1 1 auto;
}

.card-popup__art {
  aspect-ratio: 2 / 3;
  width: min(160px, 40%);
  margin-inline: auto;
  border-radius: 8%;
  overflow: hidden;
  background: var(--color-bg-soft);
  border: 1px solid var(--color-border);
  box-shadow: 0 0 20px rgba(216, 181, 107, 0.2);
  flex-shrink: 0;
}
.card-popup__art img { width: 100%; height: 100%; object-fit: cover; }

.card-popup__eyebrow {
  text-align: center;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  letter-spacing: 0.03em;
}

.card-popup__title {
  text-align: center;
  margin: 0;
}

.card-popup__angel {
  text-align: center;
  color: var(--color-gold-light);
  font-style: italic;
}

.card-popup__meaning {
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

.card-popup__keywords {
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.85rem;
  letter-spacing: 0.02em;
}

.card-popup__field {
  border-top: 1px solid var(--color-border);
  padding-top: 0.8rem;
}
.card-popup__field h3 {
  font-size: 0.95rem;
  color: var(--color-gold-light);
  margin-bottom: 0.3rem;
}
.card-popup__field p {
  white-space: pre-line;
  font-size: 0.95rem;
}

.card-popup__field--enter {
  animation: card-popup-field-in 320ms ease both;
}

@keyframes card-popup-field-in {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.card-popup__nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
  padding: 0.8rem 1rem;
  border-top: 1px solid var(--color-border);
  flex-shrink: 0;
  z-index: var(--z-sticky-controls);
  background: var(--color-surface);
}

.card-popup__nav button {
  min-height: 44px;
  min-width: 44px;
  padding: 0.5rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  color: var(--color-text);
}
.card-popup__nav button:disabled { opacity: 0.35; cursor: default; }
.card-popup__nav button:not(:disabled):hover,
.card-popup__nav button:not(:disabled):focus-visible {
  border-color: var(--color-gold);
  color: var(--color-gold-light);
}
.card-popup__nav button:focus-visible { outline: 2px solid var(--color-gold-light); outline-offset: 2px; }

.card-popup__expand {
  display: none;
}

/* Opening/closing transitions — desktop: gentle scale+fade. */
@media (prefers-reduced-motion: no-preference) {
  .card-popup {
    opacity: 0;
    transform: scale(0.97) translateY(6px);
    transition: opacity 220ms ease, transform 220ms ease, overlay 220ms ease allow-discrete, display 220ms ease allow-discrete;
  }
  .card-popup[open] {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
  @starting-style {
    .card-popup[open] {
      opacity: 0;
      transform: scale(0.97) translateY(6px);
    }
  }
  .card-popup::backdrop {
    opacity: 0;
    transition: opacity 220ms ease, overlay 220ms ease allow-discrete, display 220ms ease allow-discrete;
  }
  .card-popup[open]::backdrop { opacity: 1; }
  @starting-style {
    .card-popup[open]::backdrop { opacity: 0; }
  }
}

body.card-popup-open {
  overflow: hidden;
}

/* Mobile: bottom sheet, safe-area aware, independently scrolling body. */
@media (max-width: 600px) {
  .card-popup,
  .card-popup[data-fallback="true"] .card-popup__inner {
    max-width: 100%;
    width: 100%;
  }
  .card-popup:not([data-fallback="true"]) {
    position: fixed;
    inset: auto 0 0 0;
    margin: 0;
    max-height: min(90vh, 100%);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  }
  .card-popup__header {
    padding-top: max(0.9rem, env(safe-area-inset-top));
  }
  .card-popup__nav {
    padding-bottom: max(0.8rem, env(safe-area-inset-bottom));
  }
  .card-popup__art { width: min(140px, 45%); }

  @media (prefers-reduced-motion: no-preference) {
    .card-popup:not([data-fallback="true"]) {
      transform: translateY(16px);
    }
    .card-popup:not([data-fallback="true"])[open] {
      transform: translateY(0);
    }
    @starting-style {
      .card-popup:not([data-fallback="true"])[open] { transform: translateY(16px); }
    }
  }
}

@media (prefers-reduced-motion: reduce) {
  .card-popup, .card-popup::backdrop { transition: none !important; transform: none !important; }
  .card-popup__field--enter { animation: none; }
}
