/* ==========================================================================
   レイアウト基本設定
   ========================================================================== */

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

body {
	margin: 0 auto;
	padding: 20px;
}

header {
	padding: 16px 20px;
	margin-bottom: 20px;
	text-align: center;
}

p.description {
	margin: 0;
}

/* 共通リスト・カードコンテナ */
.tool-list {
	max-width: 1000px;
	padding: 0;
	margin: 0 auto;
}

.tool-item {
	padding: 15px;
	margin-bottom: 12px;
}

/* メインアプリケーションレイアウト */
.app-container {
	margin: 0 auto;
	display: grid;
	grid-template-columns: 1fr;
	gap: 20px;
}

@media (min-width: 768px) {
	.app-container {
		grid-template-columns: 1fr 1fr;
		align-items: start;
	}
}

/* プレビューエリア (Sticky追従) */
.preview-section {
	position: -webkit-sticky;
	position: sticky;
	top: 16px;
	z-index: 100;
	text-align: center;
}

.canvas-wrapper {
	position: relative;
	width: 100%;
	overflow: hidden;
	touch-action: none;
}

canvas {
	display: block;
	width: 100%;
	height: auto;
}

.preview-info {
	margin-top: 8px;
}

.btn-download {
	display: block;
	width: 100%;
	margin-top: 12px;
}

/* コントロールパネル */
.controls-section {
	display: flex;
	flex-direction: column;
	gap: 16px;
}

.comment-section {
	margin-bottom: 12px;
}

.panel-title {
	margin-bottom: 12px;
	padding-bottom: 6px;
	display: flex;
	justify-content: space-between;
	align-items: center;
}

/* フォーム構造 */
.form-group {
	margin-bottom: 12px;
}

.form-group:last-child {
	margin-bottom: 0;
}

label {
	display: block;
	margin-bottom: 4px;
}

input[type="text"],
textarea,
select {
	width: 100%;
	padding: 8px 12px;
}

textarea {
	resize: vertical;
	min-height: 60px;
}

.row {
	display: flex;
	gap: 12px;
	align-items: center;
}

.row > * {
	flex: 1;
}

.checkbox-label {
	display: flex;
	align-items: center;
	gap: 6px;
}

input[type="checkbox"] {
	width: 16px;
	height: 16px;
}

input[type="color"] {
	width: 100%;
	height: 32px;
}

input[type="range"] {
	width: 100%;
}

.btn-secondary {
	padding: 6px 12px;
}

.file-upload-btn {
	display: inline-block;
	width: 100%;
	padding: 8px 12px;
	text-align: center;
}

/* モーダル枠組み */
.modal-overlay {
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	display: flex;
	justify-content: center;
	align-items: center;
	z-index: 9999;
	padding: 20px;
	box-sizing: border-box;
}

.modal-content {
	padding: 20px;
	max-width: 90%;
	max-height: 90%;
	text-align: center;
	overflow-y: auto;
}

.modal-content img {
	max-width: 100%;
	height: auto;
	margin: 10px 0;
}

.btn-close {
	margin-top: 10px;
	padding: 8px 16px;
}

[v-cloak] {
  display: none !important;
}

/* フッター構造 */
footer {
	margin-top: 30px;
	padding-top: 10px;
}