/* ===== PDF Editor Pro — Acrobat Pro DC 風テーマ ===== */
* { box-sizing: border-box; margin: 0; padding: 0; }
/* hidden属性を常に優先(#progress-overlay等のdisplay:flexがUAスタイルの[hidden]を上書きしてしまうのを防ぐ) */
[hidden] { display: none !important; }
:root {
  --bar-bg: #323639; --bar-bg2: #3c4043; --bar-fg: #e8eaed;
  --accent: #1a73e8; --accent-hot: #0b57d0;
  --viewer-bg: #525659; --panel-bg: #2b2f32; --panel-fg: #dfe1e4;
  --border: #4a4e51; --hover: rgba(255,255,255,.09);
  --acrobat-red: #d93025;
  font-size: 13px;
}
html, body { height: 100%; overflow: hidden; }
body {
  display: flex; flex-direction: column;
  font-family: "Segoe UI", "Yu Gothic UI", "Hiragino Sans", Meiryo, sans-serif;
  background: var(--viewer-bg); color: var(--bar-fg); font-size: 13px;
}
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; border-radius: 4px; }
button:hover { background: var(--hover); }
button.accent { background: var(--accent); color: #fff; padding: 6px 14px; }
button.accent:hover { background: var(--accent-hot); }
kbd { margin-left: auto; opacity: .55; font: 11px inherit; padding-left: 24px; }
hr { border: none; border-top: 1px solid var(--border); margin: 4px 0; }

/* ===== メニューバー ===== */
#menubar {
  display: flex; align-items: center; gap: 2px;
  background: var(--bar-bg); border-bottom: 1px solid #202124;
  padding: 0 8px; height: 34px; user-select: none; z-index: 100;
}
.app-logo { color: #fff; margin-right: 10px; font-size: 13px; opacity: .95; white-space: nowrap; }
.app-logo b { color: var(--acrobat-red); }
#menus { display: flex; }
.menu { position: relative; }
.menu-btn { padding: 6px 10px; border-radius: 0; }
.menu.open .menu-btn { background: var(--bar-bg2); }
.menu-drop {
  display: none; position: absolute; top: 100%; left: 0; min-width: 260px;
  background: #292c2f; border: 1px solid var(--border); border-radius: 6px;
  box-shadow: 0 8px 24px rgba(0,0,0,.5); padding: 5px; z-index: 200;
}
.menu.open > .menu-drop { display: block; }
.menu-drop button { display: flex; width: 100%; text-align: left; padding: 7px 12px; align-items: center; }
.submenu { position: relative; }
.submenu:hover > .menu-drop.sub { display: block; left: 100%; top: -6px; }
.doc-title { margin-left: auto; opacity: .7; font-size: 12px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 34vw; }

/* ===== ツールバー ===== */
#toolbar {
  display: flex; align-items: center; gap: 3px;
  background: var(--bar-bg2); border-bottom: 1px solid #202124;
  padding: 4px 10px; height: 40px; user-select: none; z-index: 90;
}
#toolbar button { padding: 5px 8px; font-size: 15px; line-height: 1; }
#toolbar .sep { width: 1px; height: 22px; background: var(--border); margin: 0 5px; }
#toolbar .spacer { flex: 1; }
#toolbar .tool-toggle.active { background: var(--accent); }
#page-input { width: 46px; background: #202124; color: #fff; border: 1px solid var(--border); border-radius: 4px; padding: 4px; text-align: center; }
#zoom-select { background: #202124; color: #fff; border: 1px solid var(--border); border-radius: 4px; padding: 4px; }
#annot-color { width: 26px; height: 26px; border: none; background: none; padding: 0; cursor: pointer; }
#apply-annots { font-size: 12px !important; }

/* ===== 検索バー ===== */
#findbar {
  position: absolute; top: 78px; right: 340px; z-index: 150;
  display: flex; gap: 4px; align-items: center;
  background: #292c2f; border: 1px solid var(--border); border-radius: 6px;
  padding: 6px 8px; box-shadow: 0 6px 18px rgba(0,0,0,.45);
}
#find-input { background: #202124; color: #fff; border: 1px solid var(--border); border-radius: 4px; padding: 5px 8px; width: 220px; }
#find-status { opacity: .7; font-size: 12px; min-width: 60px; text-align: center; }

/* ===== ワークスペース ===== */
#workspace { flex: 1; display: flex; min-height: 0; }

#left-panel { width: 180px; background: var(--panel-bg); border-right: 1px solid #202124; display: flex; flex-direction: column; }
.panel-tabs { display: flex; border-bottom: 1px solid var(--border); }
.panel-tabs button { padding: 8px 12px; font-size: 15px; border-radius: 0; opacity: .6; }
.panel-tabs button.active { opacity: 1; border-bottom: 2px solid var(--accent); }
#thumbs { flex: 1; overflow-y: auto; padding: 10px; }
.thumb { margin: 0 auto 12px; cursor: pointer; text-align: center; }
.thumb canvas { border: 2px solid transparent; box-shadow: 0 1px 4px rgba(0,0,0,.5); background: #fff; max-width: 100%; }
.thumb.current canvas { border-color: var(--accent); }
.thumb .thumb-num { font-size: 11px; opacity: .7; margin-top: 3px; }

#viewer-container { flex: 1; overflow: auto; position: relative; background: var(--viewer-bg); }
#viewer { display: flex; flex-direction: column; align-items: center; padding: 24px 12px; gap: 18px; }

/* ページ */
.page-wrap { position: relative; box-shadow: 0 2px 10px rgba(0,0,0,.55); background: #fff; flex-shrink: 0; }
.page-wrap canvas.page-canvas { display: block; }
.text-layer { position: absolute; inset: 0; overflow: hidden; line-height: 1; }
.text-layer > span {
  position: absolute; color: transparent; white-space: pre; cursor: text;
  transform-origin: 0 0;
}
.text-layer > span::selection { background: rgba(26,115,232,.35); }
.hl-match { position: absolute; background: rgba(255,150,0,.45); border-radius: 2px; pointer-events: none; }
.hl-match.current { background: rgba(255,80,0,.65); outline: 2px solid #ff5000; }

/* 注釈オーバーレイ */
.annot-layer { position: absolute; inset: 0; }
.annot-layer.active { cursor: crosshair; }
.annot-layer svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.annot-note {
  position: absolute; width: 22px; height: 22px; font-size: 15px; text-align: center;
  cursor: pointer; filter: drop-shadow(0 1px 2px rgba(0,0,0,.4));
}
.annot-freetext { position: absolute; border: 1px dashed rgba(26,115,232,.8); background: rgba(255,255,255,.7); color: #d00; padding: 2px 4px; min-width: 40px; outline: none; }

/* 編集モード */
.edit-layer { position: absolute; inset: 0; }
.edit-layer .edit-text-item { position: absolute; cursor: text; transform-origin: 0 0; }
.edit-layer .edit-text-item:hover { outline: 1.5px dashed rgba(26,115,232,.9); background: rgba(26,115,232,.07); }
.edit-layer .edit-text-item.editing { outline: 2px solid var(--accent); background: #fff; color: #000; z-index: 5; }
.edit-layer .edit-img-item { position: absolute; cursor: pointer; }
.edit-layer .edit-img-item:hover, .edit-layer .edit-img-item.selected { outline: 2px solid var(--accent); background: rgba(26,115,232,.12); }
.edit-toolbar {
  position: absolute; z-index: 10; display: flex; gap: 4px;
  background: #292c2f; border: 1px solid var(--border); border-radius: 6px; padding: 4px;
  box-shadow: 0 4px 14px rgba(0,0,0,.5);
}
.edit-toolbar button { font-size: 12px; padding: 4px 8px; white-space: nowrap; }

/* ようこそ画面 */
#welcome { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 14px; }
#welcome h1 { font-size: 34px; font-weight: 300; }
#welcome .hint { opacity: .55; }
button.big { font-size: 16px; padding: 12px 26px; border: 1px solid var(--border); }

/* ===== 右パネル ===== */
#right-panel { width: 300px; background: var(--panel-bg); border-left: 1px solid #202124; display: flex; flex-direction: column; overflow-y: auto; }
.tool-list { padding: 8px; border-bottom: 1px solid var(--border); }
.tool-list button { display: flex; align-items: center; gap: 10px; width: 100%; padding: 9px 10px; text-align: left; font-size: 13px; }
.tool-list button i { font-style: normal; width: 20px; text-align: center; }
#tool-pane { padding: 12px; }
#tool-pane h3 { font-size: 14px; margin-bottom: 10px; padding-bottom: 8px; border-bottom: 2px solid var(--acrobat-red); }
#tool-pane .row { display: flex; gap: 6px; margin-bottom: 8px; flex-wrap: wrap; }
#tool-pane button.op { border: 1px solid var(--border); padding: 7px 10px; font-size: 12px; }
#tool-pane label { display: block; margin: 8px 0 4px; font-size: 12px; opacity: .85; }
#tool-pane input[type=text], #tool-pane input[type=password], #tool-pane input[type=number], #tool-pane select {
  width: 100%; background: #202124; color: #fff; border: 1px solid var(--border); border-radius: 4px; padding: 6px 8px;
}
#tool-pane .note { font-size: 11px; opacity: .6; margin-top: 6px; line-height: 1.5; }

/* ===== 整理ビュー(ページを整理) ===== */
#organize-view { display: none; flex: 1; overflow: auto; padding: 20px; }
.org-header {
  position: sticky; top: -20px; z-index: 20; margin: -20px -20px 16px;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  background: var(--bar-bg); border-bottom: 1px solid #202124; padding: 10px 16px;
  font-size: 12px; opacity: .95;
}
.org-header button { white-space: nowrap; }
#organize-view.active { display: block; }
#viewer-container.organize-mode #viewer { display: none; }
.org-grid { display: flex; flex-wrap: wrap; gap: 16px; justify-content: center; }
.org-page { position: relative; cursor: grab; text-align: center; padding: 8px; border-radius: 6px; border: 2px solid transparent; }
.org-page.selected { border-color: var(--accent); background: rgba(26,115,232,.15); }
.org-page canvas { box-shadow: 0 1px 5px rgba(0,0,0,.5); background: #fff; }
.org-page .org-num { font-size: 12px; margin-top: 5px; opacity: .8; }
.org-page .org-ops { position: absolute; top: 12px; left: 50%; transform: translateX(-50%); display: none; gap: 2px; background: rgba(30,32,34,.92); border-radius: 5px; padding: 3px; }
.org-page:hover .org-ops { display: flex; }
.org-page.dragover-before { box-shadow: -4px 0 0 var(--accent); }
.org-page.dragover-after { box-shadow: 4px 0 0 var(--accent); }

/* ===== ステータスバー ===== */
#statusbar {
  display: flex; justify-content: space-between; height: 24px; align-items: center;
  background: var(--bar-bg); border-top: 1px solid #202124; padding: 0 12px;
  font-size: 11px; opacity: .95;
}

/* ===== ダイアログ ===== */
#dialog-backdrop {
  position: fixed; inset: 0; background: rgba(0,0,0,.55); z-index: 500;
  display: flex; align-items: center; justify-content: center;
}
#dialog {
  background: #2b2f32; border: 1px solid var(--border); border-radius: 8px;
  min-width: 420px; max-width: min(920px, 92vw); max-height: 88vh; display: flex; flex-direction: column;
  box-shadow: 0 12px 48px rgba(0,0,0,.6);
}
.dialog-title { padding: 14px 18px; font-size: 15px; font-weight: 600; border-bottom: 1px solid var(--border); }
.dialog-body { padding: 18px; overflow-y: auto; }
.dialog-body label { display: block; margin: 10px 0 4px; font-size: 12px; opacity: .85; }
.dialog-body input[type=text], .dialog-body input[type=password], .dialog-body input[type=number], .dialog-body select {
  width: 100%; background: #202124; color: #fff; border: 1px solid var(--border); border-radius: 4px; padding: 7px 9px;
}
.dialog-body .check { display: flex; align-items: center; gap: 8px; margin: 7px 0; font-size: 13px; opacity: .95; }
.dialog-body .check input { width: auto; }
.dialog-actions { padding: 12px 18px; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; gap: 8px; }
.dialog-actions button { border: 1px solid var(--border); padding: 7px 16px; }
.dialog-actions button.accent { border-color: transparent; }
.prop-table { width: 100%; border-collapse: collapse; font-size: 12px; }
.prop-table td { padding: 5px 8px; border-bottom: 1px solid rgba(255,255,255,.07); }
.prop-table td:first-child { opacity: .6; width: 130px; }

/* 比較ビュー */
.compare-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 10px; text-align: center; }
.compare-grid canvas { max-width: 100%; background: #fff; box-shadow: 0 1px 4px rgba(0,0,0,.5); }
.compare-grid .cap { font-size: 11px; opacity: .7; margin-top: 4px; }
.diff-text-report { text-align: left; font-size: 12px; margin-top: 10px; max-height: 180px; overflow-y: auto; background: #202124; border-radius: 5px; padding: 10px; }
.diff-text-report .add { color: #6dd58c; }
.diff-text-report .del { color: #ff8a80; text-decoration: line-through; }

/* ===== 進捗 ===== */
#progress-overlay { position: fixed; inset: 0; background: rgba(0,0,0,.5); z-index: 600; display: flex; align-items: center; justify-content: center; }
.progress-box { background: #2b2f32; border-radius: 8px; padding: 22px 28px; min-width: 340px; text-align: center; box-shadow: 0 10px 40px rgba(0,0,0,.6); }
.progress-track { height: 6px; background: #202124; border-radius: 3px; margin-top: 14px; overflow: hidden; }
#progress-bar { height: 100%; width: 0; background: var(--accent); transition: width .15s; }

/* ドラッグ&ドロップ */
body.dragging #viewer-container { outline: 3px dashed var(--accent); outline-offset: -8px; }

/* 印刷 */
@media print {
  body > *:not(#print-host) { display: none !important; }
  #print-host { display: block !important; }
  #print-host img { width: 100%; page-break-after: always; }
}