:root {
    --bg-color: #1a1a1d;
    --canvas-bg-color: #2c2c31;
    --canvas-bg-color-rgb: 44, 44, 49; /* 領域外オーバーレイ用 */
    --panel-bg-color: rgba(44, 44, 48, 0.7);
    --border-color: rgba(255, 255, 255, 0.1);
    --text-color: #f0f0f0;
    --label-color: #a0a0a0;
    --accent-color: #6c63ff;
    --input-bg-color: rgba(0, 0, 0, 0.2);
    --font-family: 'Noto Sans JP', sans-serif;
    --highlight-color: #6c63ff;
    --danger-color: #e74c3c;
    --tool-icon-color: #d0d0d0;
    --tool-icon-active-color: #ffffff;
    --tool-bg-active-color: var(--accent-color);
}

body.light-mode {
    --bg-color: #f0f2f5;
    --canvas-bg-color: #e4e6e9;
    --canvas-bg-color-rgb: 228, 230, 233; /* 領域外オーバーレイ用 */
    --panel-bg-color: rgba(255, 255, 255, 0.7);
    --border-color: rgba(0, 0, 0, 0.1);
    --text-color: #1a1a1d;
    --label-color: #5a5a5d;
    --input-bg-color: rgba(0, 0, 0, 0.05);
    --tool-icon-color: #333333;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: var(--font-family);
    background-color: var(--bg-color);
    color: var(--text-color);
    overflow: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
}

body.panning { cursor: grab; }
body.panning.grabbing { cursor: grabbing; }

#app-container {
    width: 100vw;
    height: 100vh;
    position: relative;
}

#canvas-wrapper {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background-color: var(--canvas-bg-color);
    display: flex;
    justify-content: center;
    align-items: center;
    transition: background-color 0.3s ease;
}

#canvas-panner {
    transition: transform 0.2s ease-out;
    will-change: transform; /* パン/ズーム時の合成を最適化 */
}

#label-preview {
    background-color: #ffffff;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    position: relative;
    color: black;
    transform-origin: 0 0;
    --manhattan-margin: 0px;
}

#label-preview > .design-area-overlay {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    box-shadow: 0 0 0 100vmax rgba(var(--canvas-bg-color-rgb), 0.7);
    pointer-events: none;
    z-index: 4;
}

.design-object {
    position: absolute;
    border: 1px solid transparent;
    cursor: move;
    padding: 5px; 
    z-index: 2;
    /* パフォーマンス最適化: 要素ごとにレイアウト/ペイントを分離 */
    contain: layout paint style;
}

.design-object[data-type="text"] {
     white-space: pre-wrap; 
     width: auto;
     height: auto;
}

.design-object[data-type="rect"], .design-object[data-type="svg"] {
    display: flex;
    justify-content: center;
    align-items: center;
}
.design-object[data-type="svg"] svg {
    width: 100%;
    height: 100%;
}
/* SVG描画の高速化ヒント */
.design-object[data-type="svg"] svg {
    shape-rendering: optimizeSpeed;
    pointer-events: none; /* 内部パスでのヒットテストを避ける */
}
/* ドラッグ/リサイズ中はtransformで合成のみ更新（GPU活用） */
.design-object.moving,
.design-object.resizing {
    will-change: transform;
}

.design-object[contenteditable="true"] {
    cursor: text;
}

.design-object.selected {
    border-color: var(--highlight-color);
    border-style: dashed;
    z-index: 3;
}

/* --- Fold line styles --- */
.fold-line {
    position: absolute;
    top: 0;
    bottom: 0;
    width: 1px;
    border-left: 2px dashed rgba(0, 0, 0, 0.3);
    z-index: 1;
    display: none;
    transition: border-color 0.3s ease;
}

#label-preview.show-fold-lines .fold-line {
    display: block;
}
/* Center-fold (horizontal)専用の中央縦折り線表示 */
#label-preview.show-center-fold-v #fold-line-center-v { display: block; }
/* End-fold表示中は中央のセンターライン（縦/横）を常に非表示にする */
#label-preview.show-fold-lines #fold-line-center-v { display: none; }
#label-preview.show-fold-lines #fold-line-center-h { display: none; }
/* End-fold時はBook-cover用の上下線も非表示 */
#label-preview.show-fold-lines #fold-line-top { display: none; }
#label-preview.show-fold-lines #fold-line-bottom { display: none; }
#fold-line-center-v { left: 50%; transform: translateX(-50%); }
/* Center-fold (vertical)専用 */
#label-preview.show-center-fold-h #fold-line-center-h { display: block; }
#fold-line-center-h { top: 50%; transform: translateY(-50%); height: 0; width: 100%; border-top: 2px dashed rgba(0,0,0,0.3); position: absolute; left: 0; right: 0; }
/* Book-cover (vertical) 用の上下ガイド線 */
#fold-line-top, #fold-line-bottom {
    position: absolute;
    left: 0; right: 0;
    width: 100%; height: 0;
    border-top: 2px dashed rgba(0,0,0,0.3);
    display: none;
}
#fold-line-top { bottom: auto; }
#fold-line-bottom { top: auto; }
#label-preview.show-book-cover-v #fold-line-top,
#label-preview.show-book-cover-v #fold-line-bottom,
#label-preview.show-book-cover-v #fold-line-center-h { display: block; }
#label-preview.show-manhattan-fold #fold-line-top,
#label-preview.show-manhattan-fold #fold-line-center-h { display: block; }
#label-preview.show-manhattan-fold #fold-line-bottom { display: none; }
#label-preview.show-manhattan-fold .manhattan-guide { display: block; }

.manhattan-guide {
    position: absolute;
    top: 0;
    width: 50%;
    height: var(--manhattan-margin);
    pointer-events: none;
    background: none;
    background-color: transparent;
    opacity: 1;
    display: none;
    z-index: 1;
}
#manhattan-guide-left {
    left: 0;
}
#manhattan-guide-right {
    right: 0;
}
#label-preview.dark-background .manhattan-guide {
    background: none;
    background-color: transparent;
}

#label-preview.dark-background .fold-line {
    border-left-color: rgba(255, 255, 255, 0.5);
}

/* --- Center line styles --- */
.center-line {
    position: absolute;
    z-index: 1;
    display: none;
    pointer-events: none;
}
#center-line-v {
    top: -100vh; bottom: -100vh;
    left: 50%;
    border-left: 1px dashed rgba(128, 128, 128, 0.5);
}
#center-line-h {
    left: -100vw; right: -100vw;
    top: 50%;
    border-top: 1px dashed rgba(128, 128, 128, 0.5);
}
#center-line-h {
    left: -100vw; right: -100vw;
    top: 50%;
    border-top: 1px dashed rgba(128, 128, 128, 0.5);
}
#label-preview.show-center-lines .center-line {
    display: block;
}
/* Center-fold (vertical)専用の中央横折り線表示 */
#label-preview.show-center-fold-h #fold-line-center-h { display: block; }

.handle {
    position: absolute;
    width: 10px;
    height: 10px;
    background-color: white;
    border: 1px solid var(--highlight-color);
    border-radius: 50%;
    z-index: 10;
}
.handle.tl { top: -5px; left: -5px; cursor: nwse-resize; }
.handle.tr { top: -5px; right: -5px; cursor: nesw-resize; }
.handle.bl { bottom: -5px; left: -5px; cursor: nesw-resize; }
.handle.br { bottom: -5px; right: -5px; cursor: nwse-resize; }
.handle.rotate {
    top: -25px;
    left: calc(50% - 5px);
    cursor: crosshair; 
}

.design-object[data-type="text"] .handle {
    cursor: move; 
}


/* Floating Panels */
.floating-panel {
    position: fixed;
    background: var(--panel-bg-color);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 16px;
    border: 1px solid var(--border-color);
    padding: 1.5rem;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    z-index: 100;
}

/* Modal panels should have higher z-index than vectorizer */
#bg-removal-modal,
#confirm-modal,
#alert-modal,
#export-loading-modal,
#two-tone-modal {
    z-index: 3000;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 400px;
    max-width: 90vw;
}

/* 2階調化モーダルの専用スタイル */
#two-tone-modal {
    z-index: 3001;
    background: var(--panel-bg-color);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

#settings-panel {
    top: 2rem;
    left: 2rem;
    width: 280px;
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    cursor: move;
}
.panel-header h3 {
    font-size: 1.2rem;
    font-weight: 500;
    margin: 0;
    pointer-events: none;
}
.close-btn {
    background: none;
    border: none;
    color: var(--label-color);
    font-size: 1.8rem;
    line-height: 1;
    cursor: pointer;
    padding: 0;
}

.control-group {
    margin-bottom: 1.2rem;
}
.control-group:last-child {
    margin-bottom: 0;
}
.control-group label {
    display: block;
    font-size: 0.9rem;
    color: var(--label-color);
    margin-bottom: 0.5rem;
}
.control-group select, .control-group input {
    background-color: var(--input-bg-color);
    color: var(--text-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.75rem;
    font-size: 1rem;
    width: 100%;
}
.control-group input[readonly] {
    background-color: rgba(0,0,0,0.1);
    color: var(--label-color);
    cursor: not-allowed;
}
body.light-mode .control-group input[readonly] {
     background-color: rgba(0,0,0,0.02);
}

.size-inputs {
    display: flex;
    gap: 1rem;
}

#tool-palette {
    top: 2rem;
    right: 0.5rem; /* 右端へ */
    padding: 0.5rem;
    display: grid; /* 2列グリッド */
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
    cursor: move;
}
.tool-btn {
    background: none;
    border: none;
    width: 48px; height: 48px;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: background-color 0.2s;
}
.tool-btn svg {
    width: 24px; height: 24px;
    stroke: var(--tool-icon-color);
    transition: stroke 0.2s;
    pointer-events: none;
}
.tool-btn:hover {
    background-color: var(--input-bg-color);
}
.tool-btn.active {
    background-color: var(--tool-bg-active-color);
}
.tool-btn.active svg {
    stroke: var(--tool-icon-active-color);
}
.tool-btn.toggled-on svg {
    stroke: var(--accent-color);
}
.tool-separator {
    height: 1px;
    background-color: var(--border-color);
    margin: 0.5rem 0;
}

/* Font Panel */
#font-panel, #svg-panel { /* SVGパネルも追加 */
    top: 2rem;
    /* デフォルトでツールバーの左側にオフセットして開く（元位置から140px左） */
    right: calc(2rem + 40px);
    width: 360px;
    display: none; /* 初期状態では非表示 */
}
/* open時にツールパレットと重ならないよう、ツールパレットの左側へずらす */
.avoid-toolbar {
    right: calc(2rem + 40px); /* 元位置から74px左に固定 */
}
#font-panel fieldset, #svg-panel fieldset {
    border: none;
    padding: 0;
    margin: 0;
}
.font-grid, .svg-grid { /* SVGグリッドも追加 */
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}
input[type="color"] {
    padding: 0.2rem;
    height: 48px;
}
.font-align-group {
    display: flex;
    justify-content: stretch;
    background-color: var(--input-bg-color);
    border-radius: 8px;
    padding: 4px;
    border: 1px solid var(--border-color);
}
.align-btn {
    flex-grow: 1;
    background: transparent;
    border: none;
    height: 36px;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: background-color 0.2s;
}
.align-btn svg {
    width: 20px; height: 20px;
    stroke: var(--tool-icon-color);
}
.align-btn:hover {
    background-color: rgba(255, 255, 255, 0.1);
}
body.light-mode .align-btn:hover {
    background-color: rgba(0, 0, 0, 0.1);
}
.align-btn.active {
    background-color: var(--accent-color);
}
.align-btn.active svg {
    stroke: white;
}

/* Context Menu */
#context-menu, #canvas-context-menu {
    position: fixed;
    display: none;
    z-index: 1000;
}
#context-menu ul, #canvas-context-menu ul {
    list-style: none;
    padding: 0.5rem;
    margin: 0;
    background: var(--panel-bg-color);
    border-radius: 8px;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}
#context-menu li, #canvas-context-menu li {
    padding: 0.75rem 1.5rem;
    cursor: pointer;
    transition: background-color 0.2s;
    border-radius: 4px;
    white-space: nowrap;
}
#context-menu li.hidden, #canvas-context-menu li.hidden {
    display: none;
}
#context-menu li:hover, #canvas-context-menu li:hover {
    background-color: var(--accent-color);
    color: white;
}

/* Floating Button Base Style */
.floating-btn {
    position: fixed;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: var(--accent-color);
    color: white;
    border: none;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 4px 12px rgba(0,0,0,0.4);
    z-index: 1000;
    transition: transform 0.2s ease;
}
.floating-btn:hover {
    transform: scale(1.1);
}
.floating-btn svg {
    width: 28px;
    height: 28px;
}

/* Theme Toggle Button */
#theme-toggle-btn {
    bottom: 2rem;
    left: 2rem;
}
#theme-toggle-btn svg {
    color: #FFD702;
}

/* Menu Button */
#menu-toggle-btn {
    position: fixed;
    width: 60px; height: 60px;
    bottom: 2rem; right: 2rem;
    border-radius: 50%;
    background-color: var(--accent-color);
    color: white;
    border: none;
    cursor: pointer;
    display: flex; justify-content: center; align-items: center;
    box-shadow: 0 4px 12px rgba(0,0,0,0.4);
    z-index: 1000;
    transition: transform 0.2s ease;
}
#menu-toggle-btn:hover { transform: scale(1.1); }
#menu-toggle-btn svg { width: 28px; height: 28px; }

/* Hide buttons when vectorizer is active */
.vectorizer-active #theme-toggle-btn,
.vectorizer-active #menu-toggle-btn {
    display: none;
}

/* Hide buttons when PNG export preview is active */
.exporter-active #theme-toggle-btn,
.exporter-active #menu-toggle-btn {
    display: none;
}

/* Menu Panel */
#menu-panel {
    position: fixed;
    bottom: 6rem; /* メニューボタンの上に表示 */
    right: 2rem; /* メニューボタンと同じ右端位置 */
    width: 300px;
    background-color: var(--panel-bg-color);
    border: 1px solid var(--border-color);
    border-radius: 16px; /* 全体的に角丸 */
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    z-index: 2000;
    display: block; /* 初期状態でブロック表示（transformで非表示） */
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    transform: scale(0); /* 初期状態ではスケール0（非表示） */
    transform-origin: bottom right; /* 右下を基準点としてアニメーション */
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275); /* バウンス効果付きアニメーション */
    pointer-events: none; /* 初期状態ではクリックイベントを無効化 */
}
#menu-panel.visible {
    display: block;
    transform: scale(1); /* 完全に表示される（スケール1） */
    pointer-events: auto; /* クリックイベントを有効化 */
}
#menu-panel .panel-header {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}
#menu-panel .panel-header h3 {
    margin: 0;
    color: var(--text-color);
    font-size: 1rem; /* 織りネーム設定のヘッダーと同じサイズ */
}
#menu-panel .close-btn {
    background: none;
    border: none;
    color: var(--text-color);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}
#menu-panel .close-btn:hover {
    color: var(--accent-color);
}
#menu-panel .menu-content {
    padding: 1rem 1.5rem;
}
#menu-panel .menu-item {
    display: flex;
    align-items: center;
    width: 100%;
    padding: 0.75rem 1rem;
    margin: 0.25rem 0;
    background: none;
    border: none;
    border-radius: 8px;
    color: var(--text-color);
    text-align: left;
    cursor: pointer;
    transition: background-color 0.2s ease;
    font-size: 0.9rem; /* 織りネーム設定と同じ文字サイズ */
    gap: 0.75rem;
}
#menu-panel .menu-item:hover {
    background-color: var(--input-bg-color);
}
#menu-panel .menu-item:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

#menu-panel .menu-item svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    color: var(--text-color);
}

#menu-panel .menu-item:disabled svg {
    color: var(--label-color);
}

/* Font Loader Styles */
#font-loader {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    padding: 1rem 2rem;
    background-color: var(--accent-color);
    color: white;
    border-radius: 12px;
    z-index: 2000;
    font-size: 1rem;
    text-align: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}
#font-loader.visible {
    opacity: 1;
    visibility: visible;
}
#font-loader span {
    display: block;
    font-size: 1.2rem;
    font-weight: bold;
    margin-top: 0.25rem;
}

/* Export Loading Overlay */
#export-loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.25);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 4000; /* above app container blur */
}
.spinner {
    width: 24px; height: 24px;
    border-radius: 50%;
    border: 3px solid rgba(255,255,255,0.25);
    border-top-color: var(--accent-color);
    animation: spin 1s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
/* (removed) blur effect */

/* 保存済みデザイン一覧モーダルのスタイル */
.saved-designs-modal {
    width: 90vw;
    height: 85vh;
    max-width: 1400px;
    max-height: 800px;
}

.saved-designs-container {
    display: flex;
    height: 100%;
    gap: 2rem;
}

.saved-designs-list {
    flex: 1;
    border-right: 1px solid var(--border-color);
    padding-right: 1rem;
}

.saved-designs-preview {
    flex: 1;
    padding-left: 1rem;
    display: flex;
    flex-direction: column;
    position: relative;
}

.list-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}

.sort-controls {
    display: flex;
    gap: 0.5rem;
}

.sort-btn {
    padding: 0.25rem 0.75rem;
    font-size: 0.8rem;
    border: 1px solid var(--border-color);
    background: var(--input-bg-color);
    color: var(--text-color);
    border-radius: 4px;
    cursor: pointer;
}

.sort-btn.active {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: white;
}

.designs-list {
    max-height: 60vh;
    overflow-y: auto;
}

.design-item {
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 0.5rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.design-item:hover {
    border-color: var(--accent-color);
    background: rgba(108, 99, 255, 0.1);
}

.design-item.selected {
    border-color: var(--accent-color);
    background: rgba(108, 99, 255, 0.2);
}

.design-item-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 0.5rem;
}

.design-name {
    font-weight: bold;
    font-size: 0.8rem;
    color: var(--text-color);
}

.design-date {
    font-size: 0.6rem;
    color: var(--label-color);
}

.design-details {
    font-size: 0.9rem;
    color: var(--text-color);
    line-height: 1.4;
}

.design-detail-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.25rem;
}

.design-detail-label {
    color: var(--label-color);
    font-size: 0.7rem;
}

.design-detail-value {
    font-weight: 500;
    font-size: 0.7rem;
}

#design-preview-container {
    background: var(--canvas-bg-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    flex-grow: 1;
    min-height: 200px;
    position: relative;
    overflow: hidden;
    /* display: flex; 以下の3行を削除またはコメントアウト */
    /* justify-content: center; */
    /* align-items: center; */
}

.preview-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
    margin-top: 1rem;
}

/* 保存オプション選択ダイアログのスタイル */
.save-options-dialog {
    width: 450px;
    max-width: 90vw;
    z-index: 3000;
}

/* 確認ダイアログのスタイル */
.confirm-dialog {
    width: 400px;
    max-width: 90vw;
    z-index: 3000;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

/* モーダルオーバーレイのスタイル */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.8);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 2000;
}

/* 確認ダイアログと保存オプション選択ダイアログのオーバーレイ */
#confirm-dialog-modal,
#save-options-modal {
    z-index: 3000;
}

/* 確認ダイアログと保存オプション選択ダイアログのオーバーレイの背景も確実に最前面に */
#confirm-dialog-modal.modal-overlay,
#save-options-modal.modal-overlay {
    z-index: 3000 !important;
}

.modal-content {
    background: var(--panel-bg-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    max-width: 90vw;
    max-height: 90vh;
    overflow: auto;
}

/* 確認ダイアログと保存オプション選択ダイアログのコンテンツ */
.confirm-dialog,
.save-options-dialog {
    z-index: 3001;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.modal-body {
    padding: 1.5rem;
}

.close-btn {
    background: none;
    border: none;
    color: var(--text-color);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: background-color 0.2s ease;
}

.close-btn:hover {
    background: var(--input-bg-color);
}

/* Vectorizer Panel Styles */
#vectorizer-panel {
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    border-radius: 0;
    padding: 0;
    display: none;
    flex-direction: column;
    z-index: 1500;
}
#vectorizer-panel .panel-header {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 0;
}
.vectorizer-main, .exporter-main {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    padding: 1.5rem;
    gap: 1.5rem;
    overflow: auto;
}
.vectorizer-previews {
    flex-grow: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    min-height: 0;
}
.vectorizer-preview {
    background: var(--input-bg-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    height: 100%;
    position: relative; /* クロップオーバーレイ用 */
}
.vectorizer-preview img, .vectorizer-preview canvas, .vectorizer-preview svg {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}
#crop-overlay-canvas {
    position: absolute;
    top: 0;
    left: 0;
    cursor: crosshair;
    display: none; /* 初期状態では非表示 */
}

/* バウンディングボックス用のスタイル */
.crop-bounding-box {
    position: absolute;
    border: 2px solid #6c63ff;
    background-color: rgba(108, 99, 255, 0.1);
    cursor: move;
    display: none;
}

.crop-bounding-box .resize-handle {
    position: absolute;
    width: 8px;
    height: 8px;
    background-color: #6c63ff;
    border: 1px solid #ffffff;
    border-radius: 50%;
}

.crop-bounding-box .resize-handle.nw { top: -4px; left: -4px; cursor: nw-resize; }
.crop-bounding-box .resize-handle.ne { top: -4px; right: -4px; cursor: ne-resize; }
.crop-bounding-box .resize-handle.sw { bottom: -4px; left: -4px; cursor: sw-resize; }
.crop-bounding-box .resize-handle.se { bottom: -4px; right: -4px; cursor: se-resize; }
.crop-bounding-box .resize-handle.n { top: -4px; left: 50%; transform: translateX(-50%); cursor: n-resize; }
.crop-bounding-box .resize-handle.s { bottom: -4px; left: 50%; transform: translateX(-50%); cursor: s-resize; }
.crop-bounding-box .resize-handle.w { left: -4px; top: 50%; transform: translateY(-50%); cursor: w-resize; }
.crop-bounding-box .resize-handle.e { right: -4px; top: 50%; transform: translateY(-50%); cursor: e-resize; }

.vectorizer-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}
.vectorizer-controls {
    flex-grow: 1;
}
.vectorizer-actions {
    display: flex;
    gap: 1rem;
}
/* Exporter Panel Styles */
#exporter-panel {
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    border-radius: 0;
    padding: 0;
    display: none;
    position: fixed;
    flex-direction: column;
    z-index: 111;
}
#exporter-panel .panel-header {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 0;
}
.exporter-main {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    padding: 1.5rem;
    gap: 1.5rem;
    overflow: auto;
}
.exporter-preview {
    flex-grow: 1;
    display: grid;
    place-items: center;
    min-height: 0;
    background: var(--input-bg-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    position: relative;
    overflow: auto; /* ズーム時にスクロールで全体を確認できるように */
}
.exporter-preview img, .exporter-preview canvas {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    background: transparent;
}
/* Zoom controls */
.exporter-zoom { display: flex; gap: 8px; align-items: center; }
.exporter-zoom button { width: 36px; height: 36px; border-radius: 8px; }
.exporter-zoom #export-zoom-reset { width: auto; padding: 0 10px; }
/* Export buttons color (always white text) */
#export-png-btn, #export-svg-trace-btn { background-color: #646af8 !important; border-color: #646af8 !important; color: #ffffff !important; }
/* Tool palette helpers */
.tool-separator { grid-column: 1 / -1; height: 1px; background: var(--border-color); margin: 6px 4px; }
.tool-placeholder { width: 48px; height: 48px; visibility: hidden; }
.exporter-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}
.exporter-actions { display: flex; gap: 1rem; }
.btn {
    background-color: var(--input-bg-color);
    color: var(--text-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.75rem 1.5rem;
    font-size: 0.8rem;
    cursor: pointer;
    transition: background-color 0.2s;
}
.btn:hover {
    background-color: rgba(255,255,255,0.1);
}
body.light-mode .btn:hover {
     background-color: rgba(0,0,0,0.1);
}
.btn-primary {
    background-color: var(--accent-color);
    color: white;
    border-color: var(--accent-color);
}
.btn-primary:hover {
     background-color: #5a52d9;
}
input[type="file"] { display: none; }
.range-slider { display: flex; align-items: center; gap: 1rem; }
.range-slider input { flex-grow: 1; }
.range-slider span { min-width: 30px; text-align: right; }

/* Modal Styles */
#modal-overlay {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background-color: rgba(0,0,0,0.5);
    z-index: 2998;
    display: none;
}
#alert-modal {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 3000;
    width: 350px;
    display: none;
}
/* Confirmation Modal Specific Styles */
#confirm-modal {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 3001; /* alert-modalより前面に */
    width: 400px;
    display: none;
    text-align: center;
}
#confirm-modal .modal-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 1.5rem;
}
#confirm-modal .btn {
    flex-grow: 1;
}

    
/* === Saved Designs: Vectorizer-like Fullscreen Overrides (inserted) === */
#saved-designs-modal.modal-overlay {
    background: var(--panel-bg-color);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 1500; /* align with vectorizer */
    display: none; /* hidden by default */
    flex-direction: column;
    padding: 0;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
}
.saved-designs-modal {
    width: 100%;
    height: 100%;
    max-width: none;
    max-height: none;
    border-radius: 0;
    border: none;
    background: transparent;
    display: flex;
    flex-direction: column;
}
#saved-designs-modal .modal-header {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}
#saved-designs-modal .modal-body {
    flex-grow: 1;
    overflow: auto;
    padding: 1.5rem;
    min-height: 0;
}
.saved-designs-container {
    display: flex;
    height: 100%;
    gap: 1.5rem;
}
.saved-designs-list { flex: 0 0 400px; display: flex; flex-direction: column; }
.designs-list { flex-grow: 1; overflow-y: auto; }
.saved-designs-preview { flex: 1; display: flex; flex-direction: column; }
#design-preview-container {
    background: var(--canvas-bg-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    flex-grow: 1;
    min-height: 200px;
    position: relative;
    overflow: hidden;
    margin-top: 1rem;
    /* display: flex; 以下の3行を削除またはコメントアウト */
    /* justify-content: center; */
    /* align-items: center; */
}

/* === Saved Designs: Preview + Properties Row (追加) === */
.saved-preview-row { display: flex; gap: 1rem; flex: 1; min-height: 0; }
#design-preview-container { flex: 1 1 auto; }
#design-properties-container { flex: 0 0 400px; display: flex; flex-direction: column; gap: 0.75rem; }
.design-properties-panel { background: var(--panel-bg-color); border: 1px solid var(--border-color); border-radius: 8px; padding: 1rem; overflow: auto; position: relative; flex: 1 1 auto; min-height: 0; display: flex; flex-direction: column; }
.design-properties-panel h5 { margin: 0 0 0.5rem; font-size: 1rem; color: var(--label-color); }
.props-grid { display: grid; grid-template-columns: 110px 1fr; gap: 6px 12px; align-items: start; }
.props-label { color: var(--label-color); opacity: .8; }
.props-value { color: var(--text-color); word-break: break-word; }
.props-actions { display: flex; justify-content: flex-end; gap: 8px; position: sticky; bottom: 0; background: linear-gradient(180deg, rgba(0,0,0,0) 0%, var(--panel-bg-color) 40%); padding-top: 8px; margin-top: 8px; border-top: 1px solid var(--border-color); }
.props-copy-btn { align-self: flex-end; }

/* コピー完了トースト */
.copy-toast { position: absolute; right: 16px; bottom: 64px; background: rgba(0,0,0,0.8); color: #fff; padding: 6px 10px; border-radius: 6px; font-size: 12px; pointer-events: none; opacity: 0; transform: translateY(6px); transition: opacity .2s ease, transform .2s ease; z-index: 5; }
.copy-toast.show { opacity: 1; transform: translateY(0); }

/* Hide floating buttons while saved designs panel is active */
.saved-designs-active #theme-toggle-btn,
.saved-designs-active #menu-toggle-btn {
    display: none !important;
}
/* === End Overrides === */


/* === 保存済みデザイン一覧プレビューの修正スタイル (追加) === */
#design-preview-container .design-object {
    pointer-events: none;
}
#preview-controls {
    position: absolute;
    bottom: 1rem;
    right: 1rem;
    z-index: 10;
    display: flex;
    gap: 0.5rem;
    background: var(--panel-bg-color);
    padding: 0.5rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}
#preview-controls .tool-btn {
    width: 36px;
    height: 36px;
}
#preview-controls .tool-btn svg {
    width: 20px;
    height: 20px;
}
/* === (ここまで追加) === */


/* === 保存済みデザイン一覧プレビュー操作の追加スタイル (ここから追加) === */
#design-preview-container.panning {
    cursor: grab;
}
#design-preview-container.panning.grabbing {
    cursor: grabbing;
}
#preview-controls .tool-btn.active {
    background-color: var(--tool-bg-active-color);
}
#preview-controls .tool-btn.active svg {
    stroke: var(--tool-icon-active-color);
}
/* === (ここまで追加) === */
/* === 注意事項表示用のスタイル (ここから追加) === */
.design-list-notice {
    margin-top: 1rem;
    padding: 1rem;
    background-color: rgba(0,0,0,0.1);
    border-left: 3px solid var(--danger-color);
    border-radius: 4px;
    font-size: 0.8rem;
    line-height: 1.6;
    color: var(--label-color);
    flex-shrink: 0; /* パネルのサイズが変わっても縮まないようにする */
}
.design-list-notice h4 {
    color: var(--danger-color);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}
.design-list-notice p {
    margin: 0;
}
body.light-mode .design-list-notice {
    background-color: rgba(255, 0, 0, 0.05);
}
/* === (ここまで追加) === */

/* === Font Preview Panel Styles (ここから追加) === */

/* 入力・選択の基準サイズを揃える */
#font-preview-panel input,
#font-preview-panel select,
#font-preview-panel button,
#font-preview-panel label{
  font-size: .95em;            /* 既存の .9em より少しだけ大きく */
  padding: .5em .75em;
  min-height: 38px;
}

/* 検索アイコン内蔵時の余白（上書き強制） */
#font-search-input{
  padding-left: 40px !important;
}

/* プレースホルダの見やすさ */
#font-preview-panel ::placeholder{
  color: var(--label-color);
  opacity: .85;
}

/* スタイルのドロップダウン幅を安定 */
#font-style-select{
  width: 100%;
  font-size: .95em;
  min-height: 38px;
}

/* 検索アイコンの位置と連動色（既存の wrap と合わせて使う） */
.search-input-wrap{ position: relative; }
.search-input-wrap .search-icon{
  position:absolute; left:12px; top:50%;
  transform:translateY(-50%);
  width:18px; height:18px; color:var(--label-color); pointer-events:none;
}
#font-preview-panel .control-group input:focus,
#font-preview-panel .control-group select:focus{
  border-color: var(--accent-color) !important;
  outline: 2px solid var(--accent-color);
  outline-offset: 0;
}


#font-preview-panel {
    top: 0; left: 0; width: 100vw; height: 100vh;
    border-radius: 0; padding: 0; display: none;
    flex-direction: column; z-index: 1500;
}
#font-preview-panel .panel-header {
    padding: 1rem 1.5rem; border-bottom: 1px solid var(--border-color);
    margin-bottom: 0; flex-shrink: 0;
}
.font-preview-container {
    display: flex; flex-grow: 1; padding: 1.5rem;
    gap: 1.5rem; overflow: hidden;
}
.font-list-panel {
    flex: 0 0 320px; display: flex; flex-direction: column;
    gap: 1rem;
}
.font-list-header {
    display: flex; flex-direction: column; gap: 0.5rem;
}
#font-preview-list {
    flex-grow: 1; overflow-y: auto;
    border: 1px solid var(--border-color); border-radius: 8px;
    background: var(--panel-bg-color);
}
.font-preview-item {
    padding: 0.75rem 1rem; cursor: pointer;
    border-bottom: 1px solid var(--border-color);
}
.font-preview-item:last-child { border-bottom: none; }
.font-preview-item:hover { background-color: var(--input-bg-color); }
.font-preview-item.selected {
    background-color: var(--accent-color);
    color: white;
}
.font-preview-item small { font-size: 0.6rem; opacity: 0.7; display:block; }
.font-preview-item h5 { margin: 0; font-size: 0.8rem; }

.font-style-selector { flex-shrink: 0; }
.font-preview-area { flex-grow: 1; display: flex; flex-direction: column; gap: 1rem; overflow: hidden; }
.font-preview-input-wrapper { flex-shrink: 0; }
#font-preview-samples {
    flex-grow: 1; overflow-y: auto; padding: 1.5rem;
    background: var(--input-bg-color); border-radius: 8px; color: var(--text-color);
}
.font-sample-line {
    margin-bottom: 1.5rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.font-sample-line .size-label {
    font-size: 0.8rem; color: var(--label-color); margin-bottom: 0.25rem;
}
.font-preview-area .preview-actions { display: flex; justify-content: flex-end; }
/* Hide other UI while preview is active */
.font-preview-active #theme-toggle-btn,
.font-preview-active #menu-toggle-btn { display: none !important; }
/* === (ここまで追加) === */

/* === Font Preview: Search Icon & Focus Styles (追加) === */
.search-input-wrap { position: relative; }
.search-input-wrap .search-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    display: inline-flex;
    width: 18px;
    height: 18px;
    color: var(--label-color);
    pointer-events: none;
}
.search-input-wrap input[type="search"] { padding-left: 40px; }
/* Focus ring/color unify using --accent-color */
#font-preview-panel .control-group input:focus,
#font-preview-panel .control-group select:focus {
    border-color: var(--accent-color) !important;
    outline: 2px solid var(--accent-color);
    outline-offset: 0;
}
/* Icon color reacts to focus */
.search-input-group:focus-within .search-icon { color: var(--accent-color); }