:root {
  --accent: #6c4ff2;
  --accent-dark: #4a2fd6;
  --bg-app: #f6f5fb;
  --bg-panel: #f1eefc;
  --bg-toolbar: #ffffff;
  --border: #e0dcf3;
  --text-0: #1f1b2e;
  --text-1: #6b6580;
  --canvas-bg: #e4ddf9;
  --danger: #e5484d;
  --font-jp: 'Zen Kaku Gothic New', 'Noto Sans JP', 'Hiragino Sans', 'Yu Gothic', 'Meiryo', sans-serif;
}

* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  font-family: var(--font-jp);
  color: var(--text-0);
  background: var(--bg-app);
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
}
button { font-family: inherit; cursor: pointer; }
input, select { font-family: inherit; }
svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

#app { display: flex; flex-direction: column; height: 100vh; }

/* ---- titlebar ---- */
#titlebar {
  display: flex; align-items: center; justify-content: space-between;
  height: 52px; padding: 0 14px; background: var(--bg-toolbar);
  border-bottom: 1px solid var(--border); gap: 12px; flex-shrink: 0;
}
.titlebar-left, .titlebar-right { display: flex; align-items: center; gap: 10px; }
.brand { display: flex; align-items: center; gap: 8px; }
.brand-icon { width: 28px; height: 28px; border-radius: 7px; }
#deck-title {
  border: 1px solid transparent; background: transparent; font-size: 15px; font-weight: 700;
  color: var(--text-0); padding: 6px 8px; border-radius: 6px; width: 200px;
}
#deck-title:hover, #deck-title:focus { border-color: var(--border); background: #fff; outline: none; }
.quick-access { padding-left: 6px; border-left: 1px solid var(--border); margin-left: 2px; }

/* ---- ribbon (タブ + パネル) ---- */
#ribbon-tabs {
  display: flex; align-items: center; gap: 2px; padding: 0 14px; background: var(--bg-toolbar);
  border-bottom: 1px solid var(--border); flex-shrink: 0; overflow-x: auto; overflow-y: hidden;
}
.ribbon-tab {
  border: none; background: transparent; padding: 8px 14px; font-size: 12.5px; font-weight: 700;
  color: var(--text-1); border-bottom: 2px solid transparent; margin-bottom: -1px;
  white-space: nowrap; flex-shrink: 0;
}
.ribbon-tab:hover { color: var(--text-0); }
.ribbon-tab.active { color: var(--accent-dark); border-bottom-color: var(--accent); }

#ribbon-panels {
  background: var(--bg-panel); border-bottom: 1px solid var(--border); flex-shrink: 0;
  height: 116px;
}
.ribbon-panel {
  display: none; align-items: stretch; gap: 0; padding: 4px 14px; height: 100%;
}
.ribbon-panel.active { display: flex; overflow-x: auto; overflow-y: auto; }
.ribbon-group {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 3px;
  padding: 2px 12px; border-right: 1px solid var(--border);
}
.ribbon-group:last-child { border-right: none; }
.ribbon-group > .tool-btn, .ribbon-group > .dropdown, .ribbon-group > .row-inline { display: flex; flex-direction: row; gap: 4px; }
.ribbon-group-label { font-size: 10.5px; color: var(--text-1); margin-top: 2px; white-space: nowrap; }
.ribbon-zoom-label { font-size: 12px; color: var(--text-1); width: 40px; text-align: center; }
.row-inline { display: flex; align-items: center; gap: 6px; }
.swatch-row { display: flex; align-items: center; gap: 5px; }
.swatch {
  width: 22px; height: 22px; border-radius: 5px; border: 1px solid var(--border); padding: 0;
}
.swatch:hover { transform: scale(1.12); box-shadow: 0 2px 6px rgba(40,20,90,0.2); }

.toolgroup { display: flex; align-items: center; gap: 4px; padding-right: 12px; border-right: 1px solid var(--border); }
.toolgroup:last-child { border-right: none; padding-right: 0; }

.icon-btn {
  display: flex; align-items: center; justify-content: center; width: 36px; height: 36px;
  border: none; background: transparent; border-radius: 8px; color: var(--text-0);
}
.icon-btn:hover { background: var(--bg-panel); }
.icon-btn.small { width: 26px; height: 26px; font-size: 14px; }
.icon-btn.light { color: #fff; width: 40px; height: 40px; }
.icon-btn.light:hover { background: rgba(255,255,255,0.15); }

.tool-btn {
  display: flex; align-items: center; gap: 5px; height: 27px; padding: 0 9px; white-space: nowrap;
  border: none; background: transparent; border-radius: 7px; color: var(--text-0); font-size: 12.5px; font-weight: 600;
}
.tool-btn:hover { background: var(--bg-panel); }
.tool-btn svg { width: 16px; height: 16px; }
.tool-btn:disabled, .tool-btn:disabled:hover {
  color: #b8b3c9; cursor: not-allowed; background: transparent; opacity: 0.55;
}
.tool-btn:disabled svg { stroke: #b8b3c9; }
.tool-btn:disabled .fmt-swatch-dot { opacity: 0.5; }

.pill-btn {
  display: flex; align-items: center; gap: 6px; height: 38px; padding: 0 16px;
  border: 1px solid var(--border); background: #fff; border-radius: 19px; font-size: 13px; font-weight: 700;
  color: var(--text-0);
}
.pill-btn:hover { background: var(--bg-panel); }
.pill-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.pill-primary:hover { background: var(--accent-dark); }
.pill-primary svg { stroke: #fff; }

.dropdown { position: relative; }
.dropdown-menu {
  position: fixed; background: #fff; border: 1px solid var(--border);
  border-radius: 10px; box-shadow: 0 10px 30px rgba(40, 20, 90, 0.15); padding: 6px; min-width: 180px;
  display: none; flex-direction: column; z-index: 500;
}
.dropdown.open .dropdown-menu { display: flex; }
.dropdown-menu button {
  display: flex; align-items: center; gap: 8px; border: none; background: none; padding: 9px 10px;
  border-radius: 7px; font-size: 13px; color: var(--text-0); text-align: left;
}
.dropdown-menu button:hover { background: var(--bg-panel); }
.dropdown-menu button svg { width: 16px; height: 16px; }

.shape-gallery { grid-template-columns: repeat(6, 1fr); gap: 3px; min-width: 216px; padding: 8px; }
.dropdown.open .dropdown-menu.shape-gallery { display: grid; }
.shape-gallery button {
  display: flex; align-items: center; justify-content: center; padding: 7px; border-radius: 6px;
}
.shape-gallery button svg {
  width: 20px; height: 20px; fill: var(--text-0); stroke: none;
}
.shape-gallery button[data-shape="line"] svg,
.shape-gallery button[data-shape="arrow"] svg,
.shape-gallery button[data-shape="double-arrow"] svg {
  fill: none; stroke: var(--text-0); stroke-width: 2;
}

/* ---- body row ---- */
#body-row { flex: 1; display: flex; min-height: 0; }

/* ---- slide panel ---- */
#slide-panel {
  width: 196px; flex-shrink: 0; background: var(--bg-panel); border-right: 1px solid var(--border);
  overflow-y: auto; padding: 14px 12px; display: flex; flex-direction: column; gap: 10px;
}
.slide-thumb {
  position: relative; border-radius: 8px; cursor: pointer; display: flex; gap: 6px; align-items: center;
  padding: 4px; border: 2px solid transparent;
}
.slide-thumb:hover { background: rgba(108, 79, 242, 0.08); }
.slide-thumb.active { border-color: var(--accent); background: rgba(108, 79, 242, 0.08); }
.slide-thumb.drop-before { box-shadow: inset 0 3px 0 var(--accent); }
.slide-thumb.drop-after { box-shadow: inset 0 -3px 0 var(--accent); }
.thumb-num { width: 16px; font-size: 11px; color: var(--text-1); text-align: right; flex-shrink: 0; }
.thumb-frame {
  flex: 1; aspect-ratio: 16/9; background: #fff; border-radius: 4px; overflow: hidden;
  box-shadow: 0 1px 4px rgba(40,20,90,0.15); position: relative;
}
.thumb-inner {
  width: 960px; height: 540px; transform: scale(0.146); transform-origin: top left; position: relative;
  pointer-events: none;
}
.slide-panel-spacer { flex: 1; }
.thumb-del, .thumb-dup {
  position: absolute; top: 2px; width: 18px; height: 18px; border-radius: 5px; border: none;
  background: rgba(255,255,255,0.95); display: none; align-items: center; justify-content: center;
  box-shadow: 0 1px 4px rgba(0,0,0,0.25); color: var(--text-0);
}
.thumb-del { right: 2px; }
.thumb-dup { right: 22px; }
.thumb-del svg, .thumb-dup svg { width: 11px; height: 11px; stroke-width: 2.4; }
.slide-thumb:hover .thumb-del, .slide-thumb:hover .thumb-dup { display: flex; }
.thumb-del:hover { background: var(--danger); color: #fff; }
.thumb-dup:hover { background: var(--accent); color: #fff; }

.add-slide-btn {
  height: 40px; border: 2px dashed var(--border); background: transparent; border-radius: 8px;
  display: flex; align-items: center; justify-content: center; color: var(--accent); flex-shrink: 0;
}
.add-slide-btn:hover { background: rgba(108, 79, 242, 0.08); border-color: var(--accent); }

/* ---- canvas area ---- */
#canvas-area {
  flex: 1; background: var(--canvas-bg); position: relative; display: flex; flex-direction: column; min-width: 0;
}
#canvas-scroll { flex: 1; overflow: auto; display: flex; align-items: center; justify-content: center; }
#canvas-stage { transform-origin: center center; flex-shrink: 0; }

#slide-canvas {
  width: 960px; height: 540px; background: #fff; position: relative; overflow: visible;
  box-shadow: 0 6px 24px rgba(40, 20, 90, 0.25); outline: none; user-select: none;
}

.sl-el { position: absolute; }
.sl-el svg, .thumb-inner svg { width: 100%; height: 100%; }
.sl-el-text .sl-text-inner {
  width: 100%; height: 100%; padding: 4px 8px; outline: none; overflow: hidden;
  white-space: pre-wrap; word-break: break-word; cursor: default; line-height: 1.3;
}
.sl-el-text .sl-text-inner[contenteditable="true"] { cursor: text; box-shadow: 0 0 0 2px var(--accent) inset; }
.sl-el-image img { user-select: none; }

.selection-outline {
  position: absolute; border: 2px solid var(--accent); pointer-events: none; box-sizing: border-box;
}
.selection-outline.multi { border-style: dashed; }

.handle {
  position: absolute; width: 11px; height: 11px; background: #fff; border: 2px solid var(--accent);
  border-radius: 3px; transform: translate(-50%, -50%); z-index: 30;
}
.handle-n, .handle-s { cursor: ns-resize; }
.handle-e, .handle-w { cursor: ew-resize; }
.handle-nw, .handle-se { cursor: nwse-resize; }
.handle-ne, .handle-sw { cursor: nesw-resize; }
.handle-rotate { border-radius: 50%; cursor: grab; background: var(--accent); }

.marquee {
  position: absolute; border: 1.5px dashed var(--accent); background: rgba(108, 79, 242, 0.12); pointer-events: none;
}

.snap-guide { position: absolute; background: #ff3d84; pointer-events: none; z-index: 40; }
.snap-guide-x { top: 0; bottom: 0; width: 1px; }
.snap-guide-y { left: 0; right: 0; height: 1px; }

#zoom-bar {
  position: absolute; right: 14px; bottom: 14px; background: #fff; border: 1px solid var(--border);
  border-radius: 20px; display: flex; align-items: center; gap: 4px; padding: 4px 8px; box-shadow: 0 4px 14px rgba(40,20,90,0.12);
}
#zoom-label { font-size: 12px; color: var(--text-1); width: 40px; text-align: center; }

/* ---- prop panel ---- */
#prop-panel { width: 260px; flex-shrink: 0; background: var(--bg-toolbar); border-left: 1px solid var(--border); overflow-y: auto; padding: 16px; }
.prop-empty { color: var(--text-1); font-size: 13px; line-height: 1.7; text-align: center; margin-top: 40px; }
.prop-section { margin-bottom: 20px; padding-bottom: 18px; border-bottom: 1px solid var(--border); }
.prop-section:last-child { border-bottom: none; }
.prop-label { font-size: 12px; font-weight: 700; color: var(--text-1); margin-bottom: 10px; }
.prop-row { display: flex; align-items: center; gap: 6px; margin-bottom: 8px; flex-wrap: wrap; }
.prop-row:last-child { margin-bottom: 0; }
.prop-hint { font-size: 11px; color: var(--text-1); }
.num-input { width: 56px; padding: 6px 6px; border: 1px solid var(--border); border-radius: 6px; font-size: 13px; }
input[type="color"] { width: 30px; height: 30px; border: 1px solid var(--border); border-radius: 6px; padding: 2px; background: #fff; }
select { padding: 6px 8px; border: 1px solid var(--border); border-radius: 6px; font-size: 12px; flex: 1; }

.toggle-btn {
  min-width: 32px; height: 30px; padding: 0 8px; border: 1px solid var(--border); background: #fff; border-radius: 6px; font-size: 13px;
}
.toggle-btn.active { background: var(--accent); border-color: var(--accent); color: #fff; }
.toggle-btn:hover:not(.active) { background: var(--bg-panel); }

.text-btn {
  flex: 1; height: 34px; border: 1px solid var(--border); background: #fff; border-radius: 7px; font-size: 13px; font-weight: 600;
}
.text-btn:hover { background: var(--bg-panel); }
.text-btn.danger { color: var(--danger); border-color: #f7c9ca; }
.text-btn.danger:hover { background: #fdecec; }

/* ---- present mode ---- */
#present-overlay {
  position: fixed; inset: 0; background: #0b0714; display: flex; align-items: center; justify-content: center;
  z-index: 200; flex-direction: column;
}
#present-overlay.hidden { display: none; }
#present-stage { transform-origin: center center; flex-shrink: 0; }
#present-slide {
  width: 960px; height: 540px; background: #fff; position: relative; box-shadow: 0 10px 60px rgba(0,0,0,0.5);
}
#present-slide .sl-el { pointer-events: none; }
#present-controls {
  position: absolute; bottom: 22px; left: 50%; transform: translateX(-50%);
  display: flex; align-items: center; gap: 14px; background: rgba(255,255,255,0.08); padding: 6px 14px; border-radius: 24px;
  backdrop-filter: blur(6px);
}
#present-counter { color: #fff; font-size: 13px; min-width: 50px; text-align: center; }

@keyframes ptFade { from { opacity: 0; } to { opacity: 1; } }
@keyframes ptSlide { from { opacity: 0; transform: translateX(40px); } to { opacity: 1; transform: translateX(0); } }
@keyframes ptElIn { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: translateY(0); } }
#present-slide.pt-fade { animation: ptFade 0.4s ease; }
#present-slide.pt-slide { animation: ptSlide 0.45s cubic-bezier(.2,.7,.3,1); }
#present-slide .pt-el-in { animation: ptElIn 0.5s cubic-bezier(.2,.7,.3,1) both; }

/* ---- toast ---- */
#toast {
  position: fixed; left: 50%; bottom: 26px; transform: translateX(-50%); background: #211a37; color: #fff;
  padding: 10px 18px; border-radius: 20px; font-size: 13px; box-shadow: 0 8px 24px rgba(0,0,0,0.25); z-index: 300;
}
#toast.hidden { display: none; }

@keyframes flashPulse {
  0% { background: rgba(108, 79, 242, 0.22); }
  100% { background: transparent; }
}
.flash-highlight { animation: flashPulse 0.9s ease; border-radius: 8px; }

/* ---- ホーム画面 ---- */
#home-screen {
  position: fixed; inset: 0; background: var(--bg-app); z-index: 900; overflow-y: auto;
}
#home-screen.hidden { display: none; }
#home-inner { max-width: 980px; margin: 0 auto; padding: 40px 32px 60px; }
#home-header { display: flex; align-items: center; gap: 20px; margin-bottom: 44px; }
.home-brand-icon { width: 76px; height: 76px; border-radius: 18px; }
#home-greeting { font-size: 18px; color: var(--text-1); }
#home-app-name { font-size: 34px; font-weight: 900; color: var(--text-0); }
#home-header .icon-btn { margin-left: auto; }
.home-section { margin-bottom: 34px; }
.home-section h2 { font-size: 15px; font-weight: 700; color: var(--text-0); margin: 0 0 14px; }
.home-new-row { display: flex; gap: 16px; }
.home-new-card {
  display: flex; flex-direction: column; align-items: center; gap: 10px; width: 172px; padding: 0;
  border: none; background: none; color: var(--text-0); font-size: 12.5px; font-weight: 600; text-align: center;
}
.home-new-thumb {
  width: 172px; height: 100px; border-radius: 10px; background: #fff; border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center; color: var(--accent);
  box-shadow: 0 2px 8px rgba(40,20,90,0.1); transition: box-shadow 0.15s, transform 0.15s;
}
.home-new-thumb svg { width: 34px; height: 34px; }
.home-new-card:hover .home-new-thumb { box-shadow: 0 6px 18px rgba(108,79,242,0.3); transform: translateY(-2px); border-color: var(--accent); }
.home-recent-list { display: flex; flex-direction: column; }
.home-recent-row {
  display: flex; align-items: center; gap: 14px; padding: 10px 8px; border-radius: 8px; cursor: pointer;
  border-bottom: 1px solid var(--border);
}
.home-recent-row:hover { background: var(--bg-panel); }
.home-recent-thumb {
  width: 52px; height: 33px; border-radius: 4px; background: #fff; border: 1px solid var(--border);
  flex-shrink: 0; position: relative; overflow: hidden;
}
.home-recent-thumb-inner { width: 960px; height: 540px; transform-origin: top left; position: relative; pointer-events: none; }
.home-recent-name { font-size: 13.5px; font-weight: 600; color: var(--text-0); }
.home-recent-date { font-size: 12px; color: var(--text-1); margin-left: auto; padding-right: 8px; white-space: nowrap; }
.home-recent-del {
  width: 26px; height: 26px; border-radius: 6px; border: none; background: transparent; color: var(--text-1);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0; visibility: hidden;
}
.home-recent-row:hover .home-recent-del { visibility: visible; }
.home-recent-del:hover { background: #fdecec; color: var(--danger); }
.home-recent-del svg { width: 15px; height: 15px; }
.home-recent-empty { color: var(--text-1); font-size: 13px; padding: 12px 4px; }
.home-recent-empty.hidden { display: none; }

/* ---- スライド一覧表示 (スライドソーター) ---- */
#slide-sorter {
  position: absolute; inset: 0; background: var(--bg-app); overflow-y: auto; padding: 28px;
}
#slide-sorter.hidden { display: none; }
#slide-sorter-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 20px; max-width: 1400px; margin: 0 auto;
}
.sorter-tile {
  position: relative; cursor: pointer; border-radius: 10px; border: 3px solid transparent;
  box-shadow: 0 2px 10px rgba(40,20,90,0.12); transition: box-shadow 0.15s;
}
.sorter-tile:hover { box-shadow: 0 6px 20px rgba(40,20,90,0.22); }
.sorter-tile.active { border-color: var(--accent); box-shadow: 0 4px 18px rgba(108,79,242,0.35); }
.sorter-tile.drop-before { box-shadow: -5px 0 0 var(--accent); }
.sorter-tile.drop-after { box-shadow: 5px 0 0 var(--accent); }
.sorter-frame { aspect-ratio: 16/9; position: relative; overflow: hidden; background: #fff; border-radius: 8px; }
.sorter-inner { width: 960px; height: 540px; transform-origin: top left; position: relative; pointer-events: none; }
.sorter-num {
  position: absolute; top: 6px; left: 7px; background: rgba(20,10,40,0.6); color: #fff; font-size: 11px;
  font-weight: 700; padding: 2px 7px; border-radius: 10px; z-index: 2;
}
.sorter-actions { position: absolute; top: 6px; right: 6px; display: none; gap: 4px; z-index: 2; }
.sorter-tile:hover .sorter-actions { display: flex; }
.sorter-action-btn {
  width: 22px; height: 22px; border-radius: 6px; border: none; background: rgba(255,255,255,0.95);
  display: flex; align-items: center; justify-content: center; box-shadow: 0 1px 4px rgba(0,0,0,0.25); color: var(--text-0);
}
.sorter-action-btn:hover { background: var(--accent); color: #fff; }
.sorter-action-btn svg { width: 12px; height: 12px; stroke-width: 2.4; }
.sorter-add-tile {
  aspect-ratio: 16/9; border: 2px dashed var(--border); border-radius: 10px; display: flex; align-items: center; justify-content: center;
  color: var(--accent); background: transparent;
}
.sorter-add-tile:hover { background: rgba(108,79,242,0.08); border-color: var(--accent); }
.sorter-add-tile svg { width: 30px; height: 30px; }

/* ---- 右クリックのコンテキストメニュー ---- */
.context-menu {
  position: fixed; background: #fff; border: 1px solid var(--border); border-radius: 8px;
  box-shadow: 0 12px 32px rgba(30, 15, 70, 0.22); padding: 4px; min-width: 220px; z-index: 800;
  font-size: 13px; user-select: none;
}
.context-menu.hidden { display: none; }
.cm-item {
  display: flex; align-items: center; gap: 10px; padding: 7px 10px; border-radius: 5px;
  color: var(--text-0); position: relative; cursor: pointer;
}
.cm-item:hover:not(.disabled) { background: var(--bg-panel); }
.cm-item.disabled { color: #bcb8cc; cursor: default; }
.cm-item .cm-icon { width: 16px; height: 16px; flex-shrink: 0; display: flex; align-items: center; justify-content: center; }
.cm-item .cm-icon svg { width: 16px; height: 16px; stroke: currentColor; fill: none; stroke-width: 1.8; }
.cm-item .cm-label { flex: 1; white-space: nowrap; }
.cm-item .cm-arrow { color: var(--text-1); font-size: 11px; }
.cm-divider { height: 1px; background: var(--border); margin: 4px 6px; }
.cm-submenu {
  display: none; position: absolute; left: 100%; top: -5px; background: #fff; border: 1px solid var(--border);
  border-radius: 8px; box-shadow: 0 12px 32px rgba(30, 15, 70, 0.22); padding: 4px; min-width: 180px;
}
.cm-item.has-submenu:hover .cm-submenu { display: block; }

/* ---- 追加リボンタブ用スタイル ---- */
.ribbon-tab.contextual { color: var(--accent-dark); }
.ribbon-tab.contextual:not(.hidden) { display: inline-block; }

.tool-btn.active { background: rgba(108, 79, 242, 0.16); color: var(--accent-dark); }

.check-label { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--text-0); padding: 4px 8px; }
.check-label input { width: 15px; height: 15px; }

.help-group { flex-direction: row; flex-wrap: wrap; align-items: flex-start; gap: 4px 18px; max-width: 100%; }
.help-row { display: flex; align-items: center; gap: 8px; font-size: 12px; padding: 2px 0; }
.help-row kbd {
  background: #fff; border: 1px solid var(--border); border-bottom-width: 2px; border-radius: 5px;
  padding: 2px 7px; font-family: inherit; font-size: 11px; color: var(--text-0); white-space: nowrap;
}
.help-row span { color: var(--text-1); }

.review-group { width: 100%; }
.review-group .row-inline { width: 100%; }
#comment-input {
  flex: 1; padding: 6px 10px; border: 1px solid var(--border); border-radius: 6px; font-size: 12px; min-width: 160px;
}
.comment-list { display: flex; flex-direction: column; gap: 3px; max-height: 40px; overflow-y: auto; margin-top: 3px; }
.comment-item {
  display: flex; align-items: center; gap: 6px; font-size: 12px; background: #fff; border: 1px solid var(--border);
  border-radius: 6px; padding: 3px 8px;
}
.comment-item .comment-text { flex: 1; }
.comment-item .comment-del { border: none; background: none; color: var(--text-1); cursor: pointer; font-size: 13px; }
.comment-item .comment-del:hover { color: var(--danger); }

.quick-style-row .swatch { width: 26px; height: 26px; border-radius: 6px; }

/* ---- 図形の書式タブ 拡張 ---- */
.small-btn { height: 26px; padding: 0 7px; font-size: 12.5px; font-weight: 600; gap: 4px; color: var(--text-0); }
.small-btn svg { width: 15px; height: 15px; stroke-width: 2; }
.caret { font-size: 10px; margin-left: 2px; color: var(--text-0); opacity: 0.6; }
.fmt-swatch-dot { width: 11px; height: 11px; border-radius: 3px; border: 1px solid var(--border); display: inline-block; }
.fmt-btn-col { flex-direction: row; align-items: center; gap: 3px; }
.fmt-insert-grid { display: grid; grid-template-columns: repeat(8, 1fr); gap: 2px; margin-bottom: 3px; }
.fmt-insert-grid button { display: flex; align-items: center; justify-content: center; padding: 4px; border: none; background: none; border-radius: 5px; }
.fmt-insert-grid button:hover { background: var(--bg-panel); }
.fmt-insert-grid button svg { width: 16px; height: 16px; fill: var(--text-0); stroke: none; }
.fmt-insert-grid button[data-shape="line"] svg, .fmt-insert-grid button[data-shape="arrow"] svg { fill: none; stroke: var(--text-0); stroke-width: 2; }
.fmt-align-group .row-inline { flex-wrap: nowrap; gap: 3px; }
.fmt-size-icon { width: 16px; height: 16px; stroke: var(--text-1); flex-shrink: 0; }

.wordart-row { gap: 4px; }
.wordart-swatch {
  width: 34px; height: 30px; border-radius: 4px; border: 1px solid var(--border); background: #f3f1fa;
  font-weight: 900; font-size: 16px; font-family: Georgia, serif; display: flex; align-items: center; justify-content: center;
}
.wordart-swatch:hover { background: var(--bg-panel); }

.popover {
  position: fixed; background: #fff; border: 1px solid var(--border); border-radius: 8px; box-shadow: 0 12px 32px rgba(30,15,70,0.22);
  padding: 8px; z-index: 500; width: 220px;
}
.popover.hidden { display: none; }
.popover textarea { width: 100%; border: 1px solid var(--border); border-radius: 6px; padding: 6px; font-size: 12px; font-family: inherit; resize: vertical; }

.fmt-color-palette { display: grid; grid-template-columns: repeat(6, 1fr); gap: 4px; padding: 4px; }
.fmt-color-palette button { width: 22px; height: 22px; border-radius: 4px; border: 1px solid var(--border); padding: 0; }
.fmt-color-palette button:hover { transform: scale(1.1); }

.opacity-row { padding: 4px; flex-wrap: nowrap; }
.opacity-row .opacity-slider { flex: 1; min-width: 50px; accent-color: var(--accent); }
.opacity-row .opacity-num { width: 44px; flex: none; padding: 4px; text-align: right; }

#grid-overlay {
  position: absolute; inset: 0; pointer-events: none;
  background-image:
    repeating-linear-gradient(to right, rgba(108,79,242,0.18) 0, rgba(108,79,242,0.18) 1px, transparent 1px, transparent 48px),
    repeating-linear-gradient(to bottom, rgba(108,79,242,0.18) 0, rgba(108,79,242,0.18) 1px, transparent 1px, transparent 48px);
}
#grid-overlay.hidden { display: none; }

#canvas-stage[data-draw-mode="pen"] #slide-canvas,
#canvas-stage[data-draw-mode="highlighter"] #slide-canvas { cursor: crosshair; }
#canvas-stage[data-draw-mode="eraser"] #slide-canvas { cursor: cell; }

.hidden { display: none !important; }

@media (max-width: 900px) {
  #slide-panel { width: 130px; }
  #prop-panel { width: 220px; }
  #deck-title { width: 120px; }
}