/* =========================
   css/layout.css
   - 配置/箱/レスポンシブ/outlineHidden
   ========================= */

*,
*::before,
*::after{ box-sizing:border-box; }

html { scrollbar-gutter: stable; }

html, body{ height:100%; }

body{ margin:0; }

/* right sidebar width (desktop) */
:root{ --sideW: 360px; }

/* main grid */
.layout{
  height: calc(100vh - 58px - 42px);
  display:grid;
  /* 右サイドバーは幅変数で畳む */
  grid-template-columns: 280px 1fr var(--sideW);
  gap: 12px;
  padding: 12px;
}

/* outline hide affects layout (desktopのみアニメ対象) */
body.outlineHidden{ --sideW: 0px; }

/* アニメONだけヌルっと */
body[data-anim="on"] .layout{ transition: grid-template-columns 220ms var(--ease); }
body[data-anim="off"] .layout{ transition: none; }

.pane.outline{ min-width:0; }
body[data-anim="on"] .pane.outline{ transition: opacity 180ms var(--ease), transform 220ms var(--ease); }
body[data-anim="off"] .pane.outline{ transition: none; }

body.outlineHidden .pane.outline{
  opacity: 0;
  transform: translateX(8px);
  pointer-events: none;
}

@media (max-width:1100px){
  /* 縦レイアウトでもアニメONならヌルっと */
  body[data-anim="on"] .layout{
    transition: grid-template-rows 220ms var(--ease), grid-template-columns 220ms var(--ease);
  }
  body[data-anim="off"] .layout{ transition:none; }

  .layout{
    grid-template-columns: 260px 1fr;
    grid-template-rows: 1fr 360px; /* outline row */
  }
  .pane.outline{ grid-column: 1 / -1; }

  /* hidden: rowを0にしてスクロール/はみ出しを防ぐ */
  body.outlineHidden .layout{
    grid-template-rows: 1fr 0px;
    row-gap: 0;
  }

  /* display:noneはやめてアニメさせる */
  .pane.outline{
    max-height: 360px;
  }
  body[data-anim="on"] .pane.outline{
    transition: opacity 180ms var(--ease), transform 220ms var(--ease), max-height 220ms var(--ease);
  }
  body[data-anim="off"] .pane.outline{ transition:none; }

  body.outlineHidden .pane.outline{
    max-height: 0;
    opacity: 0;
    transform: translateY(8px);
    pointer-events: none;
    border-color: transparent;
    box-shadow: none;
  }
}

@media (max-width:820px){
  .layout{
    grid-template-columns: 1fr;
    grid-template-rows: 320px 1fr 380px;
  }
  .pane.explorer{ order:1; }
  .pane.editor{ order:2; }
  .pane.outline{ order:3; }

  body.outlineHidden .layout{
    grid-template-rows: 320px 1fr 0px;
    row-gap: 0;
  }
  body.outlineHidden .pane.outline{
    max-height: 0;
  }
}

/* pane shell */
.pane{
  border-radius: var(--radius);
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-2);
  overflow:hidden;
  min-height:0;
  display:flex;
  flex-direction:column;
}

.paneHead{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--line-2);
  background: var(--panel2);
  color: var(--text);
}

.paneTitle{
  font-weight:700;
  display:inline-flex;
  align-items:center;
  gap:8px;
}

.paneTools{
  display:inline-flex;
  align-items:center;
  gap:8px;
}

.paneBody{
  padding: 12px;
  min-height:0;
  flex:1;
}