/* =============================================
   DQB2 部屋レシピ図鑑 — dbq2.css
   国語辞典世界観リデザイン
   ============================================= */

/* ─── Custom Properties ─── */
:root {
  --clr-paper:        #f2ead0;
  --clr-paper-dark:   #e8ddb8;
  --clr-paper-panel:  #ede3c4;
  --clr-paper-deep:   #e0d4a8;
  --clr-ink:          #1a120a;
  --clr-ink-mid:      #3a2c18;
  --clr-ink-light:    #6b5538;
  --clr-vermilion:    #c0392b;
  --clr-vermilion-dk: #922b21;
  --clr-cobalt:       #1a4a7a;
  --clr-gold:         #9a7a32;
  --clr-gold-lt:      #c4a050;
  --clr-rule:         #c0a870;
  --clr-rule-lt:      #d8c898;
  --clr-green:        #2e7d50;
  --clr-muted:        #a08060;

  --font-mincho: 'Noto Serif JP', 'Yu Mincho', 'Hiragino Mincho ProN', serif;

  --radius-sm:  3px;
  --radius-md:  5px;

  --safe-top:    env(safe-area-inset-top,    0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);

  --ease-book: cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ─── Reset ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; }

body {
  font-family: var(--font-mincho);
  background-color: var(--clr-paper);
  color: var(--clr-ink);
  min-height: 100dvh;
  overflow-x: hidden;
  -webkit-tap-highlight-color: transparent;
}

/* ─── 横罫線テクスチャ（背景） ─── */
.bg-pattern {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(
    to bottom,
    transparent,
    transparent 27px,
    rgba(139,110,60,0.09) 27px,
    rgba(139,110,60,0.09) 28px
  );
  background-size: 100% 28px;
}

/* ─── ヘッダー ─── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--clr-ink);
  border-bottom: 3px solid var(--clr-vermilion);
  padding-top:    calc(var(--safe-top) + 0.7rem);
  padding-bottom: 0.7rem;
  padding-inline: clamp(1rem, 4vw, 2rem);
  box-shadow: 0 4px 20px rgba(0,0,0,0.35);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  max-width: 72rem;
  margin: 0 auto;
}

.title-block {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.title-badge {
  background: var(--clr-vermilion);
  color: var(--clr-paper);
  font-family: var(--font-mincho);
  font-weight: 700;
  font-size: clamp(0.55rem, 1.1vw, 0.68rem);
  padding: 0.18em 0.55em;
  border-radius: var(--radius-sm);
  letter-spacing: 0.08em;
  flex-shrink: 0;
}

.site-header h1 {
  font-family: var(--font-mincho);
  font-size: clamp(0.95rem, 2.5vw, 1.2rem);
  font-weight: 700;
  color: var(--clr-paper);
  letter-spacing: 0.2em;
  text-shadow: 0 0 16px rgba(240,220,160,0.2);
}

.subtitle {
  font-size: clamp(0.6rem, 1.2vw, 0.72rem);
  color: var(--clr-rule);
  letter-spacing: 0.1em;
  flex-shrink: 0;
}
.subtitle span {
  color: var(--clr-gold-lt);
  font-weight: 700;
}

/* ─── コントロールバー ─── */
.controls {
  position: sticky;
  top: calc(var(--safe-top) + 2.8rem);
  z-index: 99;
  background: var(--clr-paper-dark);
  border-bottom: 1px solid var(--clr-rule);
  padding: 0.6rem clamp(1rem, 4vw, 2rem) 0;
  box-shadow: 0 2px 10px rgba(0,0,0,0.12);
}

/* 検索ボックス */
.search-wrap {
  display: flex;
  align-items: center;
  background: var(--clr-paper);
  border: 1.5px solid var(--clr-rule);
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin-bottom: 0.6rem;
  max-width: 72rem;
  margin-inline: auto;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.search-wrap:focus-within {
  border-color: var(--clr-cobalt);
  box-shadow: 0 0 0 2px rgba(26,74,122,0.15);
}

.search-icon {
  padding: 0 0.6rem;
  font-size: 0.85rem;
  flex-shrink: 0;
  color: var(--clr-muted);
}

#search {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--clr-ink);
  font-family: var(--font-mincho);
  font-size: clamp(0.8rem, 1.5vw, 0.9rem);
  padding: 0.55rem 0;
  min-width: 0;
  letter-spacing: 0.05em;
}
#search::placeholder { color: var(--clr-muted); font-size: 0.85em; }

.clear-btn {
  background: transparent;
  border: none;
  color: var(--clr-muted);
  font-size: 0.75rem;
  padding: 0 0.75rem;
  cursor: pointer;
  flex-shrink: 0;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s;
}
.clear-btn.visible { opacity: 1; pointer-events: auto; }

/* フィルタ */
.filter-scroll {
  display: flex;
  gap: 0.4rem;
  overflow-x: auto;
  padding-bottom: 0.6rem;
  scrollbar-width: none;
  -ms-overflow-style: none;
  max-width: 72rem;
  margin-inline: auto;
}
.filter-scroll::-webkit-scrollbar { display: none; }

.filter-btn {
  flex-shrink: 0;
  background: transparent;
  border: 1px solid var(--clr-rule);
  color: var(--clr-ink-light);
  font-family: var(--font-mincho);
  font-size: clamp(0.62rem, 1.2vw, 0.72rem);
  padding: 0.3em 0.85em;
  border-radius: 2rem;
  cursor: pointer;
  white-space: nowrap;
  letter-spacing: 0.1em;
  transition: background 0.18s, color 0.18s, border-color 0.18s;
  -webkit-user-select: none;
  user-select: none;
}
.filter-btn:active { transform: scale(0.95); }
.filter-btn.active {
  background: var(--clr-ink);
  border-color: var(--clr-ink);
  color: var(--clr-paper);
  font-weight: 700;
  box-shadow: 0 1px 6px rgba(0,0,0,0.2);
}

/* ─── メイン ─── */
#main {
  position: relative;
  z-index: 1;
  padding: clamp(0.8rem, 2.5vw, 1.5rem) clamp(0.75rem, 3vw, 1.5rem)
           calc(1.5rem + var(--safe-bottom));
  max-width: 72rem;
  margin-inline: auto;
}

/* ─── カードグリッド ─── */
.room-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 14rem), 1fr));
  gap: 0;
  border-top:  1px solid var(--clr-rule);
  border-left: 1px solid var(--clr-rule);
}

@media (max-width: 540px) {
  .room-grid { grid-template-columns: 1fr 1fr; }
}

/* ─── カード ─── */
.room-card {
  background: var(--clr-paper);
  border-right:  1px solid var(--clr-rule);
  border-bottom: 1px solid var(--clr-rule);
  padding: clamp(0.65rem, 2vw, 1rem) clamp(0.65rem, 2vw, 1rem) clamp(0.55rem, 1.5vw, 0.9rem);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: background 0.18s var(--ease-book);
  animation: entryFade 0.3s ease both;
}

@keyframes entryFade {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* 左の朱線（アクティブ時） */
.room-card::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: transparent;
  transition: background 0.15s;
}
.room-card:hover::before,
.room-card:focus-visible::before {
  background: var(--card-accent, var(--clr-vermilion));
}

.room-card:hover { background: var(--clr-paper-panel); }
.room-card:active { background: var(--clr-paper-deep); }

/* 品詞マーク */
.card-pos-badge {
  display: inline-block;
  font-size: clamp(0.42rem, 0.9vw, 0.52rem);
  color: var(--clr-paper);
  background: var(--card-accent, var(--clr-cobalt));
  padding: 0.1em 0.4em;
  border-radius: 2px;
  letter-spacing: 0.04em;
  margin-bottom: 0.3rem;
}

/* 部屋名 */
.card-name {
  font-family: var(--font-mincho);
  font-size: clamp(0.72rem, 1.6vw, 0.88rem);
  font-weight: 700;
  color: var(--clr-ink);
  line-height: 1.45;
  margin-bottom: 0.35rem;
  letter-spacing: 0.04em;
  word-break: break-all;
}

/* 効果テキスト */
.card-effect {
  font-size: clamp(0.58rem, 1.1vw, 0.68rem);
  line-height: 1.55;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  letter-spacing: 0.03em;
}
.card-effect.no-effect  { color: var(--clr-muted); font-style: italic; }
.card-effect.has-effect { color: var(--clr-green);  }

/* アイテム数バッジ */
.card-item-count {
  position: absolute;
  top: 0.45rem;
  right: 0.5rem;
  font-size: clamp(0.42rem, 0.85vw, 0.52rem);
  color: var(--clr-muted);
  letter-spacing: 0.05em;
  font-family: 'Libre Baskerville', Georgia, serif;
  font-style: italic;
}

/* ─── 空状態 ─── */
.empty-state {
  text-align: center;
  padding: clamp(2.5rem, 8vw, 5rem) 1.5rem;
  color: var(--clr-muted);
}
.empty-state span { font-size: clamp(1.5rem, 5vw, 2.5rem); display: block; margin-bottom: 0.75rem; }
.empty-state p    { font-size: clamp(0.75rem, 1.5vw, 0.9rem); letter-spacing: 0.1em; }

.hidden { display: none !important; }

/* ─── モーダル オーバーレイ ─── */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(10,8,4,0.72);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
  animation: overlayIn 0.2s ease;
}
@keyframes overlayIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
.modal-overlay.hidden { display: none !important; }

/* ─── モーダル本体 ─── */
.modal {
  background: var(--clr-paper);
  border: 2px solid var(--clr-rule);
  border-bottom: none;
  border-radius: 12px 12px 0 0;
  width: 100%;
  max-width: 480px;
  max-height: 86dvh;
  overflow-y: auto;
  padding: 1.25rem 1.5rem calc(1.5rem + var(--safe-bottom));
  position: relative;
  animation: modalUp 0.28s cubic-bezier(0.16, 1, 0.3, 1);
  scrollbar-width: thin;
  scrollbar-color: var(--clr-rule) transparent;
}
@keyframes modalUp {
  from { transform: translateY(100%); }
  to   { transform: translateY(0); }
}

/* ドラッグハンドル */
.modal::before {
  content: '';
  display: block;
  width: 2.5rem;
  height: 3px;
  background: var(--clr-rule);
  border-radius: 2px;
  margin: 0 auto 1rem;
}

/* 閉じるボタン */
.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: var(--clr-paper-dark);
  border: 1px solid var(--clr-rule);
  color: var(--clr-ink-light);
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 50%;
  font-size: 0.7rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s;
}
.modal-close:hover { background: var(--clr-paper-deep); }
.modal-close:active { transform: scale(0.92); }

/* ─── モーダル内コンテンツ ─── */
.modal-header {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1rem;
  padding-right: 2rem;
  padding-bottom: 0.9rem;
  border-bottom: 1px solid var(--clr-rule-lt);
}

/* 品詞マーク（大） */
.modal-pos {
  flex-shrink: 0;
  font-size: clamp(0.5rem, 1vw, 0.62rem);
  color: var(--clr-paper);
  background: var(--clr-cobalt);
  padding: 0.15em 0.5em;
  border-radius: var(--radius-sm);
  letter-spacing: 0.05em;
  margin-top: 0.2rem;
}

.modal-emoji { font-size: clamp(1.6rem, 5vw, 2.2rem); flex-shrink: 0; line-height: 1; }

.modal-title {
  font-family: var(--font-mincho);
  font-size: clamp(1.05rem, 3vw, 1.4rem);
  font-weight: 700;
  color: var(--clr-ink);
  line-height: 1.3;
  letter-spacing: 0.08em;
}

/* 効果バッジ */
.modal-effect-badge {
  display: inline-block;
  margin-top: 0.4rem;
  padding: 0.2em 0.7em;
  border-radius: 2rem;
  font-size: clamp(0.58rem, 1.1vw, 0.7rem);
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1.4;
}
.modal-effect-badge.active {
  background: rgba(46,125,80,0.12);
  border: 1px solid rgba(46,125,80,0.4);
  color: var(--clr-green);
}
.modal-effect-badge.inactive {
  background: rgba(0,0,0,0.04);
  border: 1px solid var(--clr-rule-lt);
  color: var(--clr-muted);
}

/* セクションラベル（辞書の語義番号風） */
.section-label {
  font-size: clamp(0.58rem, 1.1vw, 0.68rem);
  font-weight: 700;
  color: var(--clr-gold);
  letter-spacing: 0.25em;
  margin-bottom: 0.65rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.section-label::before { content: '〔'; color: var(--clr-rule); }
.section-label::after  {
  content: '〕';
  color: var(--clr-rule);
  margin-right: auto;
}
.section-label span { flex: 1; height: 1px; background: var(--clr-rule-lt); }

/* アイテムリスト */
.items-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.item-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 0.7rem;
  border-bottom: 1px dotted var(--clr-rule-lt);
  gap: 0.6rem;
  animation: entryFade 0.2s ease both;
}
.item-row:last-child { border-bottom: none; }

/* アイテム名の前の中点 */
.item-row::before {
  content: '・';
  color: var(--clr-rule);
  font-size: 0.8em;
  flex-shrink: 0;
}

.item-name {
  font-size: clamp(0.72rem, 1.5vw, 0.85rem);
  color: var(--clr-ink-mid);
  flex: 1;
  line-height: 1.4;
  letter-spacing: 0.04em;
}

.item-count {
  flex-shrink: 0;
  font-size: clamp(0.6rem, 1.1vw, 0.72rem);
  font-weight: 700;
  padding: 0.1em 0.55em;
  border-radius: var(--radius-sm);
  min-width: 2.2em;
  text-align: center;
  letter-spacing: 0.04em;
}
.item-count.x1  { background: var(--clr-paper-deep); color: var(--clr-muted); border: 1px solid var(--clr-rule-lt); }
.item-count.x2,
.item-count.x3  { background: rgba(26,74,122,0.1); color: var(--clr-cobalt); border: 1px solid rgba(26,74,122,0.25); }
.item-count.x4,
.item-count.x5,
.item-count.x6  { background: rgba(154,122,50,0.12); color: var(--clr-gold); border: 1px solid rgba(154,122,50,0.3); }
.item-count.big { background: rgba(192,57,43,0.1); color: var(--clr-vermilion); border: 1px solid rgba(192,57,43,0.25); }

/* ─── フォーカス ─── */
.room-card:focus-visible {
  outline: 2px solid var(--clr-cobalt);
  outline-offset: -2px;
}
.modal-close:focus-visible {
  outline: 2px solid var(--clr-cobalt);
  outline-offset: 2px;
}

/* ─── Reduced Motion ─── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}