/*
 * MeowTarot — Phase 5: Deck Inventory standalone page
 * css/decks.css
 * ─────────────────────────────────────────────────────────────────────────
 *
 * Matches ScreenDeckInventory in the design doc (section 10): top bar +
 * heading hero + status pill + 2-column responsive grid of deck cells.
 * Each cell has a 5:7 back-image thumbnail, name + Thai name, and an
 * unlock-state note. Active deck wears a gold border + "Active · ใช้อยู่"
 * pill on the thumbnail. Locked decks are greyscaled with a lock icon.
 *
 * REQUIRES: css/theme-tokens.css (--mt-* namespace).
 * LOAD ORDER: LAST, after css/phase-3-redesign.css.
 *
 * SECTIONS:
 *   §1  Page background + shell layout
 *   §2  Top row (back chevron + DECKS·สำรับ eyebrow)
 *   §3  Heading hero + status pill
 *   §4  Grid (2-column responsive)
 *   §5  Deck cell — thumbnail, badges, lock state
 *   §6  Toast (deck-set / locked hint)
 * ─────────────────────────────────────────────────────────────────────────
 */


/* §1 — Page background + shell layout */
body[data-page='decks'] {
  background: var(--mt-bg-gradient-daily-after);
  color: var(--mt-plum);
  font-family: var(--mt-font-body);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body[data-page='decks'] .page-shell {
  max-width: 440px;
  margin: 0 auto;
  padding: 8px 22px 110px;
  min-height: calc(100dvh - 60px);
}

body[data-page='decks'] .decks-content {
  display: block;
  position: relative;
}


/* §2 — Top row (back chevron + DECKS·สำรับ eyebrow) */
body[data-page='decks'] .decks-top-row {
  display: grid;
  grid-template-columns: 36px 1fr 36px;
  align-items: center;
  gap: 8px;
  margin-top: 6px;
}

body[data-page='decks'] .decks-top-row__back {
  width: 36px;
  height: 36px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--mt-plum);
  font-size: 18px;
  font-family: var(--mt-font-body);
  text-decoration: none;
  font-weight: 600;
  line-height: 1;
}

body[data-page='decks'] .decks-top-row__back:hover {
  background: rgba(255, 255, 255, 0.85);
}

body[data-page='decks'] .decks-top-row__eyebrow {
  text-align: center;
  font-size: 11px;
  color: var(--mt-plum-mid);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 700;
  display: flex;
  justify-content: center;
  gap: 6px;
  align-items: baseline;
}

body[data-page='decks'] .decks-top-row__eyebrow-sep {
  opacity: 0.5;
  font-weight: 400;
}

body[data-page='decks'] .decks-top-row__eyebrow-alt {
  font-family: var(--mt-font-thai);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: none;
  opacity: 0.85;
}

body[data-page='decks'] .decks-top-row__spacer {
  width: 36px;
}


/* §3 — Heading hero + status pill */
body[data-page='decks'] .decks-heading__en {
  font-family: var(--mt-font-display);
  font-size: 30px;
  font-weight: 500;
  font-style: italic;
  color: var(--mt-plum);
  line-height: 1;
  letter-spacing: -0.01em;
  margin: 16px 0 0;
}

body[data-page='decks'] .decks-heading__th {
  font-family: var(--mt-font-display-th);
  font-size: 16px;
  color: var(--mt-plum-mid);
  margin: 4px 0 0;
  font-weight: 600;
}

body[data-page='decks'] .decks-status-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
  flex-wrap: wrap;
}

body[data-page='decks'] .decks-status-pill {
  font-family: var(--mt-font-body);
  font-size: 11px;
  font-weight: 700;
  padding: 5px 11px;
  border-radius: var(--mt-radius-pill);
  background: rgba(61, 26, 92, 0.08);
  color: var(--mt-plum-mid);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

body[data-page='decks'] .decks-status-alt {
  font-family: var(--mt-font-thai);
  font-size: 11px;
  color: var(--mt-plum-mid);
}


/* §4 — Grid (2-column responsive) */
body[data-page='decks'] .decks-grid {
  margin-top: 16px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

@media (max-width: 380px) {
  body[data-page='decks'] .decks-grid {
    grid-template-columns: 1fr;
  }
}


/* §5 — Deck cell */
body[data-page='decks'] .decks-cell {
  background: rgba(255, 255, 255, 0.78);
  border-radius: 16px;
  padding: 12px;
  border: 1px solid rgba(61, 26, 92, 0.08);
  box-shadow: var(--mt-soft-shadow);
  position: relative;
  cursor: pointer;
  display: block;
  text-align: left;
  font-family: inherit;
  color: var(--mt-plum);
  -webkit-tap-highlight-color: transparent;
  transition: transform 160ms ease, box-shadow 160ms ease;
}

body[data-page='decks'] .decks-cell:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 26px -10px rgba(61, 26, 92, 0.34);
}

body[data-page='decks'] .decks-cell.is-active {
  border: 1.5px solid var(--mt-gold);
  box-shadow: 0 14px 26px -10px rgba(201, 147, 58, 0.4);
}

body[data-page='decks'] .decks-cell:active {
  transform: scale(0.98);
}

body[data-page='decks'] .decks-cell__thumb {
  width: 100%;
  aspect-ratio: 5 / 7;
  border-radius: 8px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 10px 22px -8px rgba(61, 26, 92, 0.4);
  background: var(--mt-card-back-deep);
  border: 0.5px solid var(--mt-gold-soft);
}

body[data-page='decks'] .decks-cell.is-locked .decks-cell__thumb {
  filter: saturate(0.35) opacity(0.65);
}

body[data-page='decks'] .decks-cell__img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

body[data-page='decks'] .decks-cell__active-badge {
  position: absolute;
  left: 6px;
  top: 6px;
  font-family: var(--mt-font-body);
  font-size: 8.5px;
  font-weight: 700;
  padding: 3px 7px;
  border-radius: var(--mt-radius-pill);
  background: var(--mt-gold);
  color: var(--mt-plum-deep);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  box-shadow: 0 4px 10px -4px rgba(201, 147, 58, 0.6);
}

body[data-page='decks'] .decks-cell__pin {
  position: absolute;
  right: 6px;
  top: 6px;
  z-index: 3;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.9);
  color: var(--mt-plum-mid, #9379ad);
  font-size: 15px;
  line-height: 1;
  cursor: pointer;
  box-shadow: 0 3px 8px -2px rgba(61, 26, 92, 0.4);
  -webkit-tap-highlight-color: transparent;
  transition: transform 0.12s ease;
}
body[data-page='decks'] .decks-cell__pin:active { transform: scale(0.88); }
body[data-page='decks'] .decks-cell__pin.is-pinned { color: var(--mt-gold-deep, #c08327); background: #fff8e7; }

body[data-page='decks'] .decks-cell__lock {
  position: absolute;
  right: 6px;
  top: 6px;
  width: 22px;
  height: 22px;
  border-radius: 6px;
  background: rgba(61, 26, 92, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 0.5px solid rgba(255, 255, 255, 0.2);
  font-size: 11px;
  line-height: 1;
}

body[data-page='decks'] .decks-cell__meta {
  margin-top: 10px;
}

body[data-page='decks'] .decks-cell__name {
  font-family: var(--mt-font-display);
  font-size: 14px;
  font-weight: 600;
  color: var(--mt-plum);
  font-style: italic;
  line-height: 1.1;
}

body[data-page='decks'] .decks-cell__name-th {
  font-family: var(--mt-font-thai);
  font-size: 10px;
  color: var(--mt-plum-mid);
  margin-top: 1px;
}

body[data-page='decks'] .decks-cell__note {
  font-family: var(--mt-font-body);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.02em;
  margin-top: 6px;
}

body[data-page='decks'] .decks-cell.is-unlocked .decks-cell__note {
  color: var(--mt-gold);
}

body[data-page='decks'] .decks-cell.is-locked .decks-cell__note {
  color: var(--mt-ink-soft);
}


/* §6 — Toast */
body[data-page='decks'] .decks-toast {
  position: fixed;
  left: 50%;
  top: 50%;
  bottom: auto;
  transform: translate(-50%, -50%) translateY(8px);
  background: rgba(61, 26, 92, 0.92);
  color: var(--mt-cream);
  font-family: var(--mt-font-body);
  font-size: 13px;
  font-weight: 600;
  padding: 10px 18px;
  border-radius: var(--mt-radius-pill);
  box-shadow: 0 12px 28px -8px rgba(61, 26, 92, 0.6);
  opacity: 0;
  pointer-events: none;
  transition: opacity 240ms ease, transform 240ms ease;
  z-index: 100;
  max-width: 88vw;
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

body[data-page='decks'] .decks-toast.is-visible {
  opacity: 1;
  transform: translate(-50%, -50%) translateY(0);
}

/* ============================================================
   DESKTOP DECKS (>=1024px only). Additive — mobile + iOS untouched.
   Widen the shell and fan the deck grid into 4 columns instead of
   the centred ~400px mobile column. Matches the .mtd-* desktop system.
   ============================================================ */
@media (min-width: 1024px) {
  body[data-page='decks'] .page-shell.decks-shell {
    max-width: 1080px;
    padding-top: calc(var(--nav-height) + 34px);
  }
  body[data-page='decks'] .decks-heading__en { font-size: 38px; }
  body[data-page='decks'] .decks-heading__th { font-size: 17px; }
  body[data-page='decks'] .decks-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
    margin-top: 26px;
  }
  body[data-page='decks'] .decks-cell { padding: 16px; border-radius: 20px; }
  body[data-page='decks'] .decks-cell:hover { transform: translateY(-4px); }
  /* keep the shop nudge a tidy centred band, not a stretched 1080px strip */
  body[data-page='decks'] .decks-shop-nudge {
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
    margin-top: 30px;
    padding: 20px 24px;
  }
}

/* ============================================================
   DESKTOP DECK-DETAIL (>=1024px only). Additive — mobile + iOS untouched.
   The 78-card browse grid was a centred ~480px / 3-col column. Widen it.
   (Base .dd-* rules live in css/styles.css; these override at desktop.)
   ============================================================ */
@media (min-width: 1024px) {
  body[data-page='deck-detail'] .dd-content { max-width: 1080px; padding-top: 14px; }
  body[data-page='deck-detail'] .dd-header { padding: 22px; }
  body[data-page='deck-detail'] .dd-header__art { width: 124px; }
  body[data-page='deck-detail'] .dd-header__name { font-size: 32px; }
  body[data-page='deck-detail'] .dd-grid { grid-template-columns: repeat(6, 1fr); gap: 18px 14px; }
}

/* ============================================================
   DESKTOP SHOP / GACHA (Meow Market, >=1024px only). Additive.
   Widen the ~560px shell and fan the deck grid 2 -> 4 cols. The gacha
   hero band + weekly spotlight already span; just give them more room.
   ============================================================ */
@media (min-width: 1024px) {
  body[data-page='shop'] .shop-shell { max-width: 1040px; padding-top: 22px; }
  body[data-page='shop'] .shop-grid { grid-template-columns: repeat(4, 1fr); gap: 22px; }
}