/* =============================================
   間取り図ジェネレーター — madori.css
   ============================================= */

:root {
  --clr-paper:      #f0e8cc;
  --clr-paper-dk:   #e4d8b0;
  --clr-paper-deep: #d8cb98;
  --clr-ink:        #1a120a;
  --clr-ink-mid:    #3a2c18;
  --clr-ink-light:  #6b5538;
  --clr-vermilion:  #c0392b;
  --clr-cobalt:     #1a4a7a;
  --clr-cobalt-lt:  rgba(26,74,122,0.12);
  --clr-gold:       #9a7a32;
  --clr-rule:       #c0a870;
  --clr-rule-lt:    #d8c898;
  --clr-muted:      #a08060;

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

  /* サイドバー幅（PC） */
  --sidebar-w: 13rem;
  /* タブバー高さ */
  --tab-h: 2.5rem;
  /* スマホ用ドロワーのピーク高さ（閉じているとき見える部分） */
  --drawer-peek: 3rem;
}

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

body {
  font-family: var(--font-m);
  background: var(--clr-paper);
  color: var(--clr-ink);
  height: 100svh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

/* ─── タブバー ─── */
#tabs {
  display: flex;
  height: var(--tab-h);
  background: var(--clr-ink);
  border-bottom: 3px solid var(--clr-vermilion);
  flex-shrink: 0;
  z-index: 50;
  align-items: stretch;
}

/* ホームボタン */
.home-tab-btn {
  display: flex;
  align-items: center;
  padding: 0 clamp(0.65rem, 2vw, 1rem);
  font-size: clamp(0.6rem, 1.1vw, 0.7rem);
  color: var(--clr-rule);
  text-decoration: none;
  border-right: 1px solid rgba(192,168,112,0.2);
  white-space: nowrap;
  letter-spacing: 0.06em;
  transition: background 0.15s, color 0.15s;
  flex-shrink: 0;
}
.home-tab-btn:hover {
  background: rgba(255,255,255,0.06);
  color: var(--clr-paper);
}

.tab {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: clamp(0.65rem, 1.3vw, 0.8rem);
  color: var(--clr-rule);
  cursor: pointer;
  letter-spacing: 0.1em;
  transition: background 0.15s, color 0.15s;
  user-select: none;
}
.tab.active {
  color: var(--clr-paper);
  border-bottom: 2px solid var(--clr-vermilion);
  background: rgba(255,255,255,0.06);
}
.tab:hover:not(.active) {
  background: rgba(255,255,255,0.04);
  color: var(--clr-paper);
}

/* ─── ビュー共通 ─── */
#view2d, #view3d {
  flex: 1;
  overflow: hidden;
  position: relative;
}
#view3d[hidden], #view2d[hidden] { display: none; }

/* ─── 2D: レイアウト ─── */
#view2d {
  display: flex;
}

/* ─── サイドバー（PC） ─── */
#sidebar {
  width: var(--sidebar-w);
  background: var(--clr-paper-dk);
  border-right: 1px solid var(--clr-rule);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  z-index: 20;
}

#drawer-handle { display: none; } /* PCでは非表示 */

#sidebar-inner {
  flex: 1;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--clr-rule) transparent;
}

/* ─── サイドバー各セクション ─── */
.sb-section {
  padding: 0.5rem 0.65rem;
  border-bottom: 1px solid var(--clr-rule-lt);
}

.sb-title {
  font-size: 0.58rem;
  font-weight: 700;
  color: var(--clr-gold);
  text-transform: uppercase;
  margin-bottom: 0.4rem;
  letter-spacing: 0.25em;
}

/* アイテム行 */
.item-row {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  margin-bottom: 0.2rem;
}

.item-row button.add {
  flex: 1;
  min-width: 0;
  padding: 0.28rem 0.4rem;
  background: var(--clr-paper);
  border: 1px solid var(--clr-rule-lt);
  border-radius: 2px;
  font-size: 0.68rem;
  font-family: var(--font-m);
  cursor: pointer;
  text-align: left;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--clr-ink-mid);
  transition: background 0.12s;
}
.item-row button.add:hover { background: var(--clr-cobalt-lt); color: var(--clr-cobalt); }

.item-row button.del-item {
  width: 1.4rem; height: 1.4rem;
  border: none; background: none;
  color: var(--clr-rule);
  font-size: 0.85rem; cursor: pointer;
  flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
}
.item-row button.del-item:hover { color: var(--clr-vermilion); }

/* 追加フォーム */
.add-form {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  margin-top: 0.4rem;
  padding: 0.4rem;
  background: var(--clr-paper);
  border: 1px solid var(--clr-rule-lt);
  border-radius: 3px;
}
.add-form[hidden] { display: none; }

.add-form label {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  font-size: 0.6rem;
  color: var(--clr-muted);
  letter-spacing: 0.06em;
}
.add-form-row {
  display: flex;
  gap: 0.25rem;
}
.add-form-row label { flex: 1; }

.add-form input[type=text],
.add-form input[type=number] {
  width: 100%;
  padding: 0.25rem 0.4rem;
  border: 1px solid var(--clr-rule);
  border-radius: 2px;
  font-size: 0.72rem;
  font-family: var(--font-m);
  background: var(--clr-paper);
  color: var(--clr-ink);
  outline: none;
}
.add-form input:focus {
  border-color: var(--clr-cobalt);
  box-shadow: 0 0 0 2px var(--clr-cobalt-lt);
}

.color-label {
  flex-direction: row !important;
  align-items: center;
  gap: 0.4rem !important;
}
.color-label input[type=color] {
  width: 2.4rem; height: 1.6rem;
  border: 1px solid var(--clr-rule);
  border-radius: 2px;
  cursor: pointer;
  padding: 1px;
  background: var(--clr-paper);
}

.form-submit {
  padding: 0.3rem;
  background: var(--clr-cobalt);
  color: var(--clr-paper);
  border: none; border-radius: 2px;
  font-size: 0.7rem; font-family: var(--font-m);
  cursor: pointer; letter-spacing: 0.08em;
}
.form-submit:hover { opacity: 0.85; }

.toggle-add {
  display: inline-block;
  font-size: 0.62rem;
  color: var(--clr-cobalt);
  background: none;
  border: none;
  cursor: pointer;
  margin-top: 0.3rem;
  letter-spacing: 0.04em;
  font-family: var(--font-m);
}
.toggle-add:hover { text-decoration: underline; }

/* 選択中 */
#sel-info {
  font-size: 0.68rem;
  color: var(--clr-ink-mid);
  min-height: 1.75rem;
  white-space: pre-wrap;
  line-height: 1.6;
}
.del-btn {
  margin-top: 0.35rem; width: 100%;
  padding: 0.35rem;
  background: rgba(192,57,43,0.08);
  border: 1px solid rgba(192,57,43,0.3);
  border-radius: 2px;
  font-size: 0.7rem; font-family: var(--font-m);
  cursor: pointer; color: var(--clr-vermilion);
  letter-spacing: 0.06em;
}
.del-btn:hover { background: rgba(192,57,43,0.15); }

/* チェックボックス */
.check-label {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.7rem;
  color: var(--clr-ink-mid);
  cursor: pointer;
  letter-spacing: 0.04em;
}

/* 保存ボタン */
.save-btn {
  display: block; width: 100%;
  padding: 0.35rem; margin-bottom: 0.2rem;
  border: 1px solid var(--clr-rule);
  border-radius: 2px;
  font-size: 0.7rem; font-family: var(--font-m);
  cursor: pointer;
  background: var(--clr-paper);
  color: var(--clr-ink-mid);
  letter-spacing: 0.05em;
  transition: background 0.12s;
}
.save-btn:hover { background: var(--clr-paper-deep); }
.save-btn.green {
  background: rgba(46,125,80,0.08);
  border-color: rgba(46,125,80,0.35);
  color: #2e7d50;
}
.save-btn.green:hover { background: rgba(46,125,80,0.15); }

/* ─── キャンバス領域 ─── */
#canvas-wrap {
  flex: 1;
  position: relative;
  overflow: hidden;
}
#c2d { display: block; touch-action: none; }

/* ツールバー */
#toolbar2d {
  position: absolute;
  top: 0.5rem; left: 0.5rem;
  display: flex; gap: 0.3rem;
  z-index: 10;
}
.tool-btn {
  padding: 0.4rem 0.75rem;
  background: rgba(240,232,204,0.94);
  border: 1px solid var(--clr-rule);
  border-radius: 2px;
  font-size: 0.7rem; font-family: var(--font-m);
  cursor: pointer; color: var(--clr-ink-mid);
  transition: background 0.12s, color 0.12s;
  letter-spacing: 0.06em;
  /* タッチしやすいサイズ */
  min-height: 2rem;
}
.tool-btn.active {
  background: var(--clr-cobalt);
  color: var(--clr-paper);
  border-color: var(--clr-cobalt);
}
.tool-btn:hover:not(.active) {
  background: var(--clr-cobalt-lt);
  color: var(--clr-cobalt);
}

#go3d-btn {
  position: absolute;
  top: 0.5rem; right: 0.5rem;
  padding: 0.4rem 1rem;
  background: var(--clr-cobalt); color: var(--clr-paper);
  border: none; border-radius: 2px;
  font-size: 0.75rem; font-family: var(--font-m);
  cursor: pointer; z-index: 10; font-weight: 700;
  letter-spacing: 0.1em;
  min-height: 2rem;
}
#go3d-btn:hover { opacity: 0.85; }

/* スマホ用「追加」ボタン（PCでは非表示） */
#panel-toggle-btn { display: none; }

#info2d {
  position: absolute;
  bottom: 0.5rem; left: 0.5rem;
  background: rgba(240,232,204,0.88);
  padding: 0.2rem 0.65rem;
  border: 1px solid var(--clr-rule-lt);
  border-radius: 2px;
  font-size: 0.62rem; color: var(--clr-muted);
  letter-spacing: 0.04em;
  pointer-events: none;
}

/* ─── 3D ビュー ─── */
#view3d {
  background: #1a1510;
}
#c3d { display: block; width: 100%; height: 100%; touch-action: none; }

#ui3d {
  position: absolute; top: 0; left: 0; right: 0;
  display: flex; justify-content: space-between; align-items: flex-start;
  padding: 0.65rem;
  pointer-events: none;
}
#controls3d {
  background: rgba(10,8,4,0.88);
  border: 1px solid var(--clr-rule);
  border-radius: 4px;
  padding: 0.7rem 0.9rem;
  pointer-events: all;
  min-width: 10rem;
  max-width: 13rem;
}
.ctrl-title {
  font-size: 0.58rem; font-weight: 700;
  color: var(--clr-gold);
  text-transform: uppercase;
  letter-spacing: 0.25em;
  margin-bottom: 0.5rem;
}
.ctrl-row {
  display: flex; align-items: center;
  gap: 0.5rem; margin-bottom: 0.38rem;
  font-size: 0.68rem; color: var(--clr-rule-lt);
}
.ctrl-row label { width: 4.5rem; flex-shrink: 0; letter-spacing: 0.04em; }
input[type=range] { flex: 1; height: 3px; accent-color: var(--clr-cobalt); }
.val { min-width: 1.75rem; text-align: right; color: var(--clr-gold); font-size: 0.65rem; }

#btns3d { display: flex; flex-direction: column; gap: 0.38rem; pointer-events: all; }
.btn3d {
  padding: 0.5rem 0.9rem;
  border: 1px solid var(--clr-rule);
  border-radius: 3px;
  background: rgba(10,8,4,0.88);
  color: var(--clr-rule-lt);
  font-size: 0.72rem; font-family: var(--font-m);
  cursor: pointer; letter-spacing: 0.06em;
  transition: background 0.12s, border-color 0.12s;
  min-height: 2.2rem;
}
.btn3d:hover { background: rgba(26,74,122,0.3); border-color: var(--clr-cobalt); color: var(--clr-paper); }
.btn3d.primary { background: rgba(26,74,122,0.5); border-color: var(--clr-cobalt); color: var(--clr-paper); }
.btn3d.primary:hover { background: rgba(26,74,122,0.7); }

#info3d {
  position: absolute; bottom: 0.65rem; left: 50%;
  transform: translateX(-50%);
  background: rgba(10,8,4,0.78);
  padding: 0.22rem 1rem;
  border-radius: 2rem;
  font-size: 0.62rem; color: var(--clr-muted);
  pointer-events: none; letter-spacing: 0.06em;
  border: 1px solid rgba(192,168,112,0.2);
  white-space: nowrap;
}

/* ─── Focus ─── */
:focus-visible { outline: 2px solid var(--clr-cobalt); outline-offset: 2px; }

/* =============================================
   スマホ対応 (max-width: 768px)
   ============================================= */
@media (max-width: 768px) {

  /* サイドバーをボトムドロワーに変更 */
  #sidebar {
    position: fixed;
    bottom: 0; left: 0; right: 0;
    width: 100%;
    height: 80svh;
    border-right: none;
    border-top: 2px solid var(--clr-vermilion);
    border-radius: 1rem 1rem 0 0;
    box-shadow: 0 -4px 20px rgba(0,0,0,0.2);
    /* 閉じた状態：ドロワーハンドル分だけ見える */
    transform: translateY(calc(100% - var(--drawer-peek)));
    transition: transform 0.32s cubic-bezier(0.25,0.46,0.45,0.94);
    z-index: 30;
  }
  #sidebar.is-open {
    transform: translateY(0);
  }

  /* ドロワーハンドル */
  #drawer-handle {
    display: flex;
    align-items: center;
    justify-content: center;
    height: var(--drawer-peek);
    cursor: pointer;
    flex-shrink: 0;
    background: var(--clr-paper-dk);
    border-radius: 1rem 1rem 0 0;
  }
  .handle-bar {
    width: 2.5rem; height: 4px;
    background: var(--clr-rule);
    border-radius: 2px;
  }

  #sidebar-inner {
    height: calc(80svh - var(--drawer-peek));
  }

  /* キャンバスラップは全画面 */
  #canvas-wrap {
    position: absolute;
    inset: 0;
    /* ドロワーのピーク分だけ下を空ける（キャンバスがドロワーの下に隠れないよう） */
    bottom: var(--drawer-peek);
  }

  /* 2Dビューは全画面を占有 */
  #view2d {
    position: absolute;
    inset: 0;
  }

  /* スマホ用追加ボタン */
  #panel-toggle-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    position: absolute;
    bottom: calc(var(--drawer-peek) + 0.6rem);
    left: 50%;
    transform: translateX(-50%);
    padding: 0.5rem 1.5rem;
    background: var(--clr-cobalt);
    color: var(--clr-paper);
    border: none; border-radius: 2rem;
    font-size: 0.78rem; font-family: var(--font-m);
    font-weight: 700; letter-spacing: 0.1em;
    cursor: pointer; z-index: 25;
    box-shadow: 0 3px 12px rgba(0,0,0,0.2);
    transition: bottom 0.32s cubic-bezier(0.25,0.46,0.45,0.94);
    min-height: 2.5rem;
  }
  #panel-toggle-btn.panel-open {
    bottom: calc(80svh + 0.6rem);
  }

  /* go3d ボタン・ツールバーをタブバー分下げる
     （スマホでは #view2d が inset:0 でタブバーと重なるため） */
  #go3d-btn {
    top: calc(var(--tab-h) + 3px + 0.5rem);
    right: 0.5rem;
    font-size: 0.72rem;
  }

  /* ツールバーも同様に下げる */
  #toolbar2d {
    top: calc(var(--tab-h) + 3px + 0.5rem);
    left: 0.5rem;
  }
  .tool-btn {
    padding: 0.45rem 0.65rem;
    font-size: 0.68rem;
    min-height: 2.2rem;
  }

  /* info2d はボトムドロワーと被らない位置に */
  #info2d {
    bottom: calc(var(--drawer-peek) + 0.6rem);
    left: 0.5rem;
  }

  /* 3D: UIをスマホ向けに縮小 */
  #controls3d {
    max-width: 9rem;
    padding: 0.5rem 0.65rem;
  }
  .ctrl-row label { width: 3.5rem; font-size: 0.62rem; }
  .btn3d { padding: 0.5rem 0.65rem; font-size: 0.68rem; }
  #info3d { font-size: 0.58rem; }
}

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