/* ════════════════════════════════════════════════════════════════════
   gacha.css — Gacha Battle: loot-box shop, trinket cards, 1v1 battle.
   Reuses arena.css helpers (.pvp-btn, .lobby-*, .duel-result, .waiting*).
   ════════════════════════════════════════════════════════════════════ */
#page-gacha { max-width: 760px; margin: 0 auto; padding: 24px 16px 40px; }
#gacha-root { margin-top: 4px; }

/* shop */
.gb-shop { text-align: center; padding: 24px 0; }
.gb-box { font-size: 84px; line-height: 1; animation: float 3s ease-in-out infinite; }
.gb-shop-tag { font-size: 14px; color: var(--text2); max-width: 460px; margin: 10px auto 20px; line-height: 1.5; }
.gb-buy { font-size: 15px; padding: 14px 26px; }
.gb-record { margin-top: 18px; font-family: var(--f-mono); font-size: 12px; color: var(--text3); }

/* loadout / hand grid */
.gb-hand-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px; }

/* trinket card */
.gb-card {
  background: var(--dark2); border: 1px solid var(--border2); border-radius: 12px;
  padding: 12px 6px 10px; display: flex; flex-direction: column; align-items: center; gap: 4px;
  font-family: var(--f-body); color: var(--text); cursor: default;
  transition: transform 0.15s, box-shadow 0.2s, border-color 0.2s; position: relative;
}
button.gb-card { cursor: pointer; }
button.gb-card:hover:not(:disabled) { transform: translateY(-3px); }
button.gb-card:disabled { opacity: 0.5; cursor: not-allowed; }
.gb-card-rar { font-size: 8px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text3); }
.gb-card-emoji { font-size: 34px; line-height: 1; }
.gb-card-name { font-size: 10px; color: var(--text2); text-align: center; min-height: 24px; display: flex; align-items: center; }
.gb-card-val { font-family: var(--f-mono); font-size: 13px; font-weight: 700; }
.gb-card.t-atk .gb-card-val { color: #FF6B6B; }
.gb-card.t-def .gb-card-val { color: #4DA6FF; }
.gb-card.t-heal .gb-card-val { color: var(--green); }
.gb-card.r-uncommon { border-color: var(--green); box-shadow: 0 0 7px rgba(52,211,153,0.16); }
.gb-card.r-uncommon .gb-card-rar { color: var(--green); }
.gb-card.r-rare { border-color: #4DA6FF; box-shadow: 0 0 8px rgba(77,166,255,0.18); }
.gb-card.r-rare .gb-card-rar { color: #4DA6FF; }
.gb-card.r-epic { border-color: var(--purple); box-shadow: 0 0 10px rgba(153,69,255,0.22); }
.gb-card.r-epic .gb-card-rar { color: var(--purple); }
.gb-card.r-legendary { border-color: var(--gold); box-shadow: 0 0 14px rgba(255,215,0,0.3); background: rgba(255,215,0,0.05); }
.gb-card.r-legendary .gb-card-rar { color: var(--gold); }

/* ---- battle overlay (reuses arena-overlay container styles) ---- */
#gacha-overlay { display: none; position: fixed; inset: 0; z-index: 250; background: rgba(5,5,12,0.92); backdrop-filter: blur(8px); align-items: center; justify-content: center; padding: 16px; }
#gacha-overlay.open { display: flex; }
#gacha-overlay-body { background: var(--card); border: 1px solid var(--border2); border-radius: 22px; width: min(560px, 100%); max-height: calc(100vh - 32px); overflow-y: auto; padding: 24px; animation: modalIn 0.25s cubic-bezier(0.22,1.2,0.5,1); }

.gb-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; }
.gb-game { font-weight: 700; font-size: 15px; }

.gb-bars { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 14px; }
.gb-fighter { display: flex; flex-direction: column; gap: 5px; }
.gb-fname { font-size: 11px; color: var(--text3); text-transform: uppercase; letter-spacing: 0.05em; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.gb-hpbar { height: 14px; background: var(--dark2); border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.gb-hp { height: 100%; width: 100%; background: linear-gradient(90deg, var(--green-dim), var(--green)); transition: width 0.5s ease; }
.gb-hp.opp { background: linear-gradient(90deg, #cc2b3b, var(--red)); }
.gb-hp.hit { animation: hpHit 0.4s ease; }
@keyframes hpHit { 0%,100% { filter: none; } 40% { filter: brightness(1.8); } }
.gb-hpnum { font-family: var(--f-mono); font-size: 13px; font-weight: 700; text-align: right; }

.gb-oppcards { display: flex; gap: 4px; justify-content: center; min-height: 30px; margin-bottom: 6px; }
.gb-back { font-size: 26px; color: var(--text3); }
.gb-empty { font-size: 12px; color: var(--text3); }

.gb-stage { min-height: 40px; display: flex; align-items: center; justify-content: center; }
.gb-fx { font-family: var(--f-mono); font-size: 20px; animation: popIn 0.3s ease; }
.gb-fx.me b { color: var(--green); }
.gb-fx.opp b { color: var(--red); }

.gb-turn { text-align: center; min-height: 20px; font-family: var(--f-mono); font-size: 13px; color: var(--text3); margin: 4px 0 10px; }
.gb-turn.you { color: var(--green); }
.gb-turn.opp { color: var(--text2); }

.gb-hand { display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; min-height: 96px; }
.gb-foot { display: flex; justify-content: center; margin-top: 12px; }
.gb-auto { font-size: 13px; color: var(--text2); display: flex; align-items: center; gap: 7px; cursor: pointer; }
.gb-result { margin-top: 14px; }

.gb-legend { text-align: center; font-size: 11px; color: var(--text3); margin-bottom: 12px; }
.gb-shield { font-family: var(--f-mono); font-size: 11px; color: #4DA6FF; }
.gb-foot { justify-content: space-between; align-items: center; }
.gb-plays { font-family: var(--f-mono); font-size: 12px; color: var(--text3); }
.gb-fx.fx-def b { color: #4DA6FF; }
.gb-fx.fx-heal b { color: var(--green); }

@media (max-width: 600px) {
  .gb-hand-grid, .gb-hand { grid-template-columns: repeat(4, 1fr); gap: 5px; }
  .gb-legend { font-size: 9px; }
  .gb-card { padding: 8px 3px; }
  .gb-card-emoji { font-size: 26px; }
  .gb-card-name { font-size: 8px; min-height: 20px; }
}

/* ── style picker (PvP setup) + Codex browser (deck page) ── */
.style-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; margin: 12px 0; }
.style-pick { text-align: left; background: var(--card2); border: 1px solid var(--border2); border-radius: 12px; padding: 10px 12px; cursor: pointer; transition: all 0.15s; display: flex; flex-direction: column; gap: 3px; color: var(--text); }
.style-pick:hover { border-color: var(--sa, var(--cyan)); }
.style-pick.on { border-color: var(--sa, var(--cyan)); box-shadow: 0 0 0 1px var(--sa, var(--cyan)) inset, 0 0 12px -4px var(--sa, var(--cyan)); background: color-mix(in srgb, var(--sa) 8%, var(--card2)); }
.style-ico { font-size: 20px; }
.style-name { font-size: 14px; font-weight: 700; }
.style-kw { font-size: 10px; color: var(--text3); font-family: var(--f-mono); }
.style-miss { font-size: 10px; color: var(--red); }

.codex-wrap { margin-top: 22px; }
.codex-styles { display: flex; flex-direction: column; gap: 8px; }
.codex-style { border: 1px solid var(--border); border-radius: 14px; overflow: hidden; background: var(--card2); transition: border-color 0.3s ease; }
.codex-style.open { border-color: var(--sa, var(--cyan)); }
/* ONE illustration per deck: a face-framed strip when collapsed that smoothly expands to the full image when open */
.codex-art { position: relative; display: block; width: 100%; padding: 0; margin: 0; border: none; cursor: pointer;
  aspect-ratio: 900 / 340; max-height: 92px; overflow: hidden; background: var(--card2); will-change: max-height;
  transition: max-height 0.55s cubic-bezier(0.4, 0, 0.2, 1); }
/* open value ≈ the illustration's real height at the codex's max width (≈298px) so the
   expand uses almost the whole transition (no dead tail) → smooth. */
.codex-style.open .codex-art { max-height: 306px; }
/* cards live in the DOM always (for a smooth in-place toggle); hidden until the style opens */
.codex-style:not(.open) .codex-cards { display: none; }
.codex-style.open .codex-cards { animation: codexCardsIn 0.4s ease 0.12s both; }
@keyframes codexCardsIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { .codex-art { transition: none; } .codex-style.open .codex-cards { animation: none; } }
.codex-illus { display: block; width: 100%; height: 100%; object-fit: cover; object-position: center var(--focal, 22%);
  transition: filter 0.15s ease; }
.codex-art:hover .codex-illus { filter: brightness(1.08); }
.codex-overlay { position: absolute; inset: 0; display: flex; flex-direction: column; justify-content: flex-end; gap: 2px;
  padding: 10px 14px; text-align: left; pointer-events: none;
  background: linear-gradient(to top, rgba(7,9,15,0.92) 0%, rgba(7,9,15,0.55) 26%, rgba(7,9,15,0.06) 58%, transparent 100%); }
.codex-titlerow { display: flex; align-items: baseline; gap: 9px; flex-wrap: wrap; }
.codex-art .style-ico { font-size: 20px; }
.codex-art .style-name { font-size: 15px; font-weight: 800; color: #fff; text-shadow: 0 1px 6px rgba(0,0,0,0.95); }
.codex-art .style-kw { font-size: 10px; color: rgba(255,255,255,0.82); text-shadow: 0 1px 4px rgba(0,0,0,0.98); }
.codex-art .style-miss { font-size: 10px; color: #ff6b81; text-shadow: 0 1px 4px rgba(0,0,0,0.98); }
/* tagline + identity: revealed only when the deck is expanded */
.codex-caption { max-height: 0; opacity: 0; overflow: hidden; transition: max-height 0.5s ease, opacity 0.4s ease, margin-top 0.4s ease; }
.codex-style.open .codex-caption { max-height: 70px; opacity: 1; margin-top: 5px; }
.codex-tag { font-size: 13px; font-weight: 700; color: #fff; text-shadow: 0 1px 6px rgba(0,0,0,0.9); }
.codex-ident { font-size: 11px; color: var(--gold); line-height: 1.3; text-shadow: 0 1px 6px rgba(0,0,0,0.9); }
.codex-cards { padding: 8px 12px 12px; }

/* combat-log act banner */
.bt-log .l-act { color: var(--gold); display: block; text-align: center; letter-spacing: 0.08em; margin: 3px 0; }

/* ── card hover tooltip (precision on card + effect) ── */
.gb-card { overflow: visible; }
.gb-card-tip {
  position: absolute; bottom: calc(100% + 8px); left: 50%; transform: translateX(-50%) translateY(4px);
  width: 200px; max-width: 62vw; background: var(--card); border: 1px solid var(--border2); border-radius: 10px;
  padding: 8px 10px; z-index: 90; opacity: 0; visibility: hidden; pointer-events: none;
  transition: opacity 0.12s ease, transform 0.12s ease; box-shadow: 0 10px 26px rgba(0,0,0,0.55);
  text-align: left; white-space: normal; display: flex; flex-direction: column; gap: 3px;
}
.gb-card:hover .gb-card-tip, button.gb-card:focus-visible .gb-card-tip { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.gb-card-tip .tip-name { font-size: 12px; font-weight: 700; color: var(--text); }
.gb-card-tip .tip-meta { font-size: 10px; color: var(--text3); font-family: var(--f-mono); }
.gb-card-tip .tip-fx { font-size: 11px; color: var(--cyan, #28e0ff); line-height: 1.35; }
.gb-card-tip::after { content: ''; position: absolute; top: 100%; left: 50%; transform: translateX(-50%); border: 6px solid transparent; border-top-color: var(--card); }

/* ── rematch style picker (result screen) + crit log highlight ── */
.rematch-styles { margin-top: 8px; }
.rematch-styles .style-grid { margin: 8px 0; }
.bt-log .l-crit { color: var(--gold); font-weight: 700; }

/* ── in-battle deck (styles) chips — shows which 2 styles each fighter runs ── */
.bt-styles { display: flex; flex-wrap: wrap; gap: 5px; margin: 6px 0 2px; }
.bt-panel.enemy .bt-styles { justify-content: flex-end; }
.bt-style { font-size: 10px; font-weight: 600; padding: 2px 7px; border-radius: 20px; white-space: nowrap;
  color: var(--sa, var(--cyan)); border: 1px solid var(--sa, var(--border2)); background: color-mix(in srgb, var(--sa) 10%, transparent); }
.bt-styles.unknown { font-size: 10px; color: var(--text3); font-family: var(--f-mono); }

/* ── dedicated Codex page ── */
#page-codex { max-width: 820px; margin: 0 auto; padding: 20px 16px 48px; }
.codex-hint { font-size: 12px; color: var(--text3); margin: 4px 0 14px; }
.codex-page .codex-styles { margin-top: 6px; }

/* card tooltip: style-identity note line */
.gb-card-tip .tip-id { font-size: 10px; color: var(--gold); border-top: 1px solid var(--border); padding-top: 3px; margin-top: 2px; line-height: 1.3; }

/* ── PvP arena: Quick Match + Room only (Room expands to create/join) ── */
.arena-room { margin-top: 12px; text-align: center; animation: fadeIn 0.15s ease; }
.arena-room-row { display: flex; gap: 8px; justify-content: center; align-items: center; flex-wrap: wrap; }
.arena-room-hint { font-size: 11px; color: var(--text3); margin-top: 8px; }
.pvp-btn.alt.on { border-color: var(--cyan, #28e0ff); color: var(--cyan, #28e0ff); }

/* ── PvP Lobby landing: two big centered buttons (Quick match / Rooms) ── */
.lobby-menu { display: flex; gap: 18px; justify-content: center; align-items: stretch; flex-wrap: wrap; max-width: 640px; margin: 56px auto; }
.lobby-big {
  flex: 1 1 260px; min-height: 168px; border-radius: 18px; cursor: pointer; color: var(--text);
  background: linear-gradient(160deg, color-mix(in srgb, var(--cyan, #28e0ff) 14%, var(--card2)), var(--card2));
  border: 1px solid color-mix(in srgb, var(--cyan, #28e0ff) 45%, var(--border2));
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; padding: 22px;
  transition: transform 0.15s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.lobby-big:hover { transform: translateY(-4px); box-shadow: 0 12px 30px -12px color-mix(in srgb, var(--cyan, #28e0ff) 60%, transparent); }
.lobby-big.alt { background: linear-gradient(160deg, color-mix(in srgb, var(--purple, #a855f7) 14%, var(--card2)), var(--card2)); border-color: color-mix(in srgb, var(--purple, #a855f7) 45%, var(--border2)); }
.lobby-big.alt:hover { box-shadow: 0 12px 30px -12px color-mix(in srgb, var(--purple, #a855f7) 60%, transparent); }
.lobby-big-ico { font-size: 44px; line-height: 1; }
.lobby-big-t { font-size: 20px; font-weight: 800; letter-spacing: 0.01em; }
.lobby-big-sub { font-size: 12px; color: var(--text3); text-align: center; }
@media (max-width: 560px) { .lobby-menu { margin: 32px auto; } .lobby-big { flex-basis: 100%; min-height: 130px; } }