/* ============================================================
   bindrune.css
   バインドルーン生成ページ固有スタイル
   DUCK WORKS Uranai Tools
============================================================ */

/* ============================================================
   ページヘッダー
============================================================ */
.page-header {
  padding: 48px var(--pad) 0;
  text-align: center;
}
.page-header-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}
.page-title {
  font-family: var(--f-mincho);
  font-size: 36px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: #000;
  margin-bottom: 8px;
}
.page-title-en {
  font-family: var(--f-en);
  font-size: 14px;
  font-weight: 500;
  color: #000;
  letter-spacing: 0.1em;
  border: 1px solid var(--c-main);
  display: inline-block;
  padding: 8px 24px;
  margin-bottom: 16px;
}
.page-lead {
  font-size: 16px;
  color: #000;
  margin-bottom: 48px;
}

/* ============================================================
   メインセクション
============================================================ */
.br-section {
  padding: 0 var(--pad) 64px;
}
.br-inner {
  max-width: 680px;
  margin: 0 auto;
}

/* ============================================================
   ラベル行（ラベル＋ランダム選択ボタン）
============================================================ */
.br-label {
  font-size: 16px;
  color: #000;
  margin-bottom: 8px;
  display: block;
  font-family: var(--f-sans);
}
.br-label-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}
.br-label-row .br-label {
  margin-bottom: 0;
}
.br-random-btn {
  background: none;
  border: 1px solid #000;
  color: #000;
  font-size: 14px;
  padding: 8px 16px;
  cursor: pointer;
  font-family: var(--f-sans);
  transition: border-color var(--ease), color var(--ease);
  white-space: nowrap;
}
.br-random-btn:hover {
  border-color: var(--c-sub);
  color: var(--c-sub);
}

/* ============================================================
   ルーン選択グリッド
============================================================ */
.br-rune-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 8px;
  margin-bottom: 32px;
}
.br-rb {
  position: relative;
  aspect-ratio: 1;
  border: 1px solid var(--c-border);
  background: var(--c-white);
  color: #000;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 0;
  transition: border-color var(--ease), background var(--ease);
  user-select: none;
  -webkit-user-select: none;
  padding: 8px 4px;
}
.br-rb-img {
  width: 40px;
  height: 40px;
  object-fit: contain;
  display: block;
}
.br-rb-name {
  font-size: 14px;
  color: #000;
  font-family: var(--f-sans);
  line-height: 1;
}
.br-rb:hover {
  border-color: #000;
}
.br-rb.on {
  background: var(--c-sub);
  border-color: var(--c-sub);
}
.br-rb.on .br-rb-img {
  filter: invert(1);
}
.br-rb.on .br-rb-name {
  color: rgba(255, 255, 255, 0.7);
}

/* ホバー時ツールチップ */
.br-rb-tooltip {
  display: none;
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: #000;
  color: #fff;
  font-size: 12px;
  font-family: var(--f-sans);
  line-height: 1.5;
  padding: 8px 12px;
  white-space: normal;
  width: max-content;
  max-width: 240px;
  pointer-events: none;
  z-index: 100;
}
.br-rb-tooltip::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-top-color: #000;
}
.br-rb:hover .br-rb-tooltip {
  display: block;
}

/* ============================================================
   タグ（D&D並び替え）
============================================================ */
.br-tag-area {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
  min-height: 40px;
  align-items: center;
}
.br-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border: 1px solid var(--c-border);
  background: var(--c-white);
  font-size: 16px;
  color: #000;
  cursor: grab;
  user-select: none;
  -webkit-user-select: none;
  transition: opacity 0.15s, border-color 0.15s;
}
.br-tag.dragging {
  opacity: 0.35;
}
.br-tag.over {
  border-color: var(--c-sub);
}
.br-grip {
  color: #ccc;
  font-size: 16px;
  line-height: 1;
}
.br-del {
  background: none;
  border: none;
  cursor: pointer;
  color: #bbb;
  font-size: 18px;
  line-height: 1;
  padding: 0;
  align-self: center;
  display: flex;
  align-items: center;
  transition: color var(--ease);
}
.br-del:hover {
  color: #000;
}
.br-empty {
  font-size: 14px;
  color: #bbb;
}

/* ============================================================
   スライダー
============================================================ */
.br-sl-row {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
}
.br-sl-label {
  font-size: 16px;
  color: #000;
  white-space: nowrap;
  min-width: 48px;
  font-family: var(--f-sans);
}
.br-slider {
  flex: 1;
  height: 2px;
  -webkit-appearance: none;
  appearance: none;
  background: var(--c-border);
  outline: none;
  border-radius: 0;
}
.br-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  background: var(--c-main);
  border-radius: 50%;
  cursor: pointer;
}
.br-slider:disabled {
  opacity: 0.25;
  pointer-events: none;
}
.br-sl-val {
  font-size: 14px;
  color: #999;
  min-width: 56px;
  text-align: right;
  font-family: var(--f-sans);
}

/* 個別スライダーボックス */
.br-per-box {
  display: none;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 24px;
  padding: 16px;
  background: var(--c-white);
  border: 1px solid var(--c-border);
}
.br-per-box.show {
  display: flex;
}
.br-per-row {
  display: flex;
  align-items: center;
  gap: 16px;
}
.br-per-label {
  font-size: 16px;
  color: #000;
  min-width: 96px;
  font-family: var(--f-sans);
}

/* ============================================================
   ボタン
============================================================ */
.draw-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin: 0;
  padding: 16px 24px;
  min-width: 240px;
  background: var(--c-main);
  color: var(--c-white);
  font-family: var(--f-mincho);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.08em;
  border: none;
  border-radius: 0;
  cursor: pointer;
  transition: background var(--ease);
}
.draw-btn:hover:not(:disabled) {
  background: var(--c-sub);
}
.draw-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}
.br-btn-row {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 8px;
}
/* 生成ボタン＋チェックボックスをひとまとまりに */
.br-btn-gen-group {
  display: inline-flex;
  align-items: center;
  gap: 0;
  flex-shrink: 0;
}
.br-btn-gen-group .br-frame-check {
  padding: 0 16px;
  height: 100%;
  border: none;
  background: transparent;
  display: flex;
  align-items: center;
}

.br-dl-row {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
  margin-bottom: 8px;
}
.br-dl-note {
  font-size: 14px;
  color: #000;
  margin: 0;
}
.br-clr-btn {
  background: none;
  border: 1px solid #000;
  color: #000;
  font-size: 14px;
  padding: 8px 16px;
  cursor: pointer;
  font-family: var(--f-sans);
  transition: border-color var(--ease), color var(--ease);
  white-space: nowrap;
}
.br-clr-btn:hover {
  border-color: var(--c-sub);
  color: var(--c-sub);
}

/* チェックボックス（枠をつける） */
.br-frame-check {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: #000;
  font-family: var(--f-sans);
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
}
.br-frame-check input[type=checkbox] {
  width: 16px;
  height: 16px;
  accent-color: var(--c-sub);
  cursor: pointer;
  flex-shrink: 0;
}


/* ============================================================
   キャンバス
============================================================ */
.br-cv-wrap {
  display: flex;
  justify-content: center;
  margin-top: 16px;
  margin-bottom: 24px;
}
.br-cv-wrap canvas {
  display: block;
  width: min(100%, 640px);
  height: min(100%, 640px);
  aspect-ratio: 1 / 1;
  border: 1px solid var(--c-border);
}
.br-ph {
  font-size: 14px;
  color: #bbb;
}

/* ============================================================
   戻るリンク
============================================================ */
.back-link-wrap {
  text-align: center;
  padding: 0 var(--pad) 64px;
}
.back-link {
  font-size: 16px;
  color: #000;
  text-decoration: none;
  letter-spacing: 0.04em;
  transition: color var(--ease);
}
.back-link:hover {
  color: var(--c-sub);
}

/* ============================================================
   キーワード表示エリア
============================================================ */
.br-keywords {
  margin-bottom: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.br-kw-item {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 8px 16px;
  background: var(--c-white);
  border: 1px solid var(--c-border);
}
.br-kw-name {
  font-size: 16px;
  color: #000;
  font-family: var(--f-sans);
  white-space: nowrap;
  min-width: 80px;
  font-weight: 500;
}
.br-kw-text {
  font-size: 14px;
  color: #000;
  line-height: 1.6;
  font-family: var(--f-sans);
}


/* ============================================================
   noteバナー
============================================================ */
.br-note-section {
  padding: 0 var(--pad) 0;
}
.br-note-banner {
  display: block;
  text-decoration: none;
  margin-bottom: 8px;
  transition: opacity var(--ease);
}
.br-note-banner:hover {
  opacity: 0.85;
}
.br-note-banner-img {
  width: 100%;
  height: auto;
  display: block;
}
.br-note-desc {
  font-size: 14px;
  color: #000;
  font-family: var(--f-sans);
  margin-bottom: 32px;
}

/* ============================================================
   Responsive
============================================================ */
@media (max-width: 800px) {
  .page-title { font-size: 28px; }
  .page-lead  { margin-bottom: 32px; }
  .br-rune-grid {
    grid-template-columns: repeat(6, 1fr);
    gap: 8px;
  }
  .br-rb { padding: 8px 2px; }
  .br-rb-img { width: 28px; height: 28px; }
  .br-rb-name { font-size: 11px; }
  .br-rb-tooltip { display: none !important; } /* SP ではツールチップ非表示 */
  .draw-btn { max-width: 240px; }
}
@media (max-width: 480px) {
  .br-rune-grid {
    grid-template-columns: repeat(5, 1fr);
    gap: 8px;
    margin-bottom: 32px;
  }
  .br-rb-img { width: 32px; height: 32px; }
  .br-rb-name { font-size: 12px; }
}