/* === 基本設定とカラーパレット === */
:root {
    --primary-dark: #16a085;
    --primary-bright: #1abc9c;
    --primary-light: #e8f8f5;
    --neutral-dark-blue: #2c3e50;
    --neutral-slate-blue: #34495e;
    --neutral-dark-gray: #333333;
    --neutral-mid-gray: #555555;
    --neutral-light-gray: #7f8c8d;
    --neutral-border: #dddddd;
    --neutral-off-white: #f8f9fa;
    --neutral-white: #ffffff;
    --semantic-red: #e74c3c;
    --semantic-blue: #3498db;
    --semantic-ash: #95a0a6;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    background-color: #f4f4f4; 
    color: var(--neutral-dark-gray);
    display: flex;
    flex-direction: column; 
    align-items: center; 
    min-height: 100vh;
    margin: 0;
    padding: 0; 
}


main.container {
    background-color: var(--neutral-white);
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    width: 90%; 
    max-width: 1200px; 
    margin: 0 auto 20px auto; 
}


.hidden {
    display: none !important;
}

h1, h2, h3 {
    color: var(--neutral-dark-blue);
}

h2 {
    border-left: 5px solid var(--primary-dark);
    padding-left: 10px;
    margin-bottom: 10px; 
}

.site-header {
    width: 100%;
    background-color: var(--neutral-white);
    color: var(--neutral-dark-gray);
    padding-top: 15px;
    padding-bottom: 15px; 
    margin-bottom: 20px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1); 
    position: sticky; 
    top: 0;
    z-index: 100; 
}
.header-content {
    width: 90%; 
    max-width: 1200px; 
    margin: 0 auto;
}
.site-header h1 {
    margin: 0;
    font-size: 1.8em;
    color: var(--primary-bright); 
}
.site-header .subtitle {
    color: var(--neutral-light-gray);
    margin: 0;
    font-size: 1em;
}

/* パンクズリスト */
.breadcrumbs {
    width: 100%;
    background-color: transparent;
    padding: 0 0 15px 0;
    font-size: 0.9em;
    color: var(--neutral-light-gray);
    border-bottom: 1px solid var(--neutral-border);
    margin-bottom: 25px;
}

.breadcrumbs-content {
    width: 100%;
    max-width: none;
    margin: 0;
    padding: 0;
}

.breadcrumb-link {
    color: var(--neutral-light-gray);
    text-decoration: none;
    transition: color 0.3s;
}

.breadcrumb-link:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

.breadcrumb-separator {
    margin: 0 8px;
    font-size: 0.8em;
    color: var(--neutral-light-gray);
}

.breadcrumb-current {
    color: var(--neutral-light-gray); 
    font-weight: normal; 
}


/* Footerレイアウト */
.page-footer {
    width: 100%;
    background-color: var(--neutral-slate-blue);
    color: #ddd;
    padding: 30px 0 20px 0;
    box-shadow: 0 -2px 5px rgba(0, 0, 0, 0.05);
    margin-top: auto; 
}
.footer-content {
    max-width: 1200px; 
    width: 90%; 
    margin: 0 auto; 
    padding: 0 10px;
    box-sizing: border-box;
}

.footer-links-wrapper {
    display: flex;
    gap: 60px;
    margin-bottom: 20px;
    border-bottom: 1px dashed #556c80;
    padding-bottom: 20px;
}

.footer-section {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.footer-section .section-title {
    font-size: 1.1em;
    font-weight: bold;
    color: var(--primary-bright); 
    margin-bottom: 8px;
    margin-top: 0;
}
.footer-section ul {
    list-style: none;
    padding: 0;
    margin: 5px 0 0 0;
}
.footer-section li a {
    color: #ccc;
    text-decoration: none;
    font-size: 0.9em;
    transition: color 0.3s;
}
.footer-section li a:hover {
    color: var(--neutral-white);
    text-decoration: underline;
}

.copyright {
    text-align: center;
    font-size: 0.8em;
    color: var(--semantic-ash);
    margin-top: 0;
    padding-top: 10px;
    border-top: none;
}

/* ご利用上の注意セクション */
.usage-warning {
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid var(--neutral-border);
}
.usage-warning-title {
    font-size: 1.1em;
    color: var(--neutral-dark-blue);
    margin-bottom: 15px;
    border-bottom: none;
    padding-bottom: 0;
}
.usage-warning-list {
    font-size: 0.85em;
    color: var(--neutral-mid-gray);
    line-height: 1.6;
    padding-left: 1.2em;
    margin: 0;
}
.usage-warning-list li {
    margin-bottom: 5px;
}


/* === ボタン === */
.btn {
    display: inline-block;
    padding: 10px 15px;
    font-size: 1em;
    font-weight: bold;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    text-decoration: none; /* リンクボタン用 */
    transition: background-color 0.3s, transform 0.1s;
}
.btn:active {
    transform: translateY(1px);
}
.btn-primary {
    background-color: var(--primary-bright);
    color: var(--neutral-white);
}
.btn-primary:hover {
    background-color: var(--primary-dark);
}
.btn-success {
    background-color: var(--semantic-blue);
    color: var(--neutral-white);
}
.btn-success:hover {
    background-color: #2980b9;
}
.btn-danger {
    background-color: var(--semantic-red);
    color: var(--neutral-white);
}
.btn-danger:hover {
    background-color: #c0392b;
}

/* === コントロールパネル === */
.control-panel {
    background-color: var(--neutral-white);
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 25px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.control-panel.settings-row {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}
.settings-column {
    flex: 1;
}


.mode-selector {
    display: flex;
    margin-bottom: 10px; 
}
.mode-selector input[type="radio"] {
    display: none;
}
.mode-selector .tab-btn {
    flex: 1;
    text-align: center;
    padding: 10px 10px; 
    border: 1px solid var(--neutral-border);
    background-color: var(--neutral-off-white);
    color: var(--neutral-mid-gray);
    cursor: pointer;
    transition: background-color 0.3s, color 0.3s;
    border-right: none;
}
.mode-selector .tab-btn:first-of-type {
    border-top-left-radius: 5px;
    border-bottom-left-radius: 5px;
}
.mode-selector .tab-btn:last-of-type {
    border-top-right-radius: 5px;
    border-bottom-right-radius: 5px;
    border-right: 1px solid var(--neutral-border);
}
.item-type-selector .tab-btn:last-of-type {
    border-top-right-radius: 5px;
    border-bottom-right-radius: 5px;
    border-right: 1px solid var(--neutral-border);
}
.mode-selector input[type="radio"]:checked + .tab-btn {
    background-color: var(--primary-dark);
    color: var(--neutral-white);
    border-color: var(--primary-dark);
}

.settings-area {
    padding: 10px;
    background-color: var(--neutral-off-white);
    border: 1px dashed var(--neutral-border);
    border-radius: 5px;
}
.settings-area .notice {
    font-size: 0.9em;
    color: var(--neutral-mid-gray);
    margin-top: 10px;
}

/* 固定ランク設定 */
.rank-toggle-list {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}
.rank-toggle-list label {
    display: flex;
    align-items: center;
    gap: 5px;
    font-weight: bold;
    cursor: pointer;
}

/* === 画像アップロード === */
.image-upload-zone {
    border: 3px dashed var(--neutral-border);
    border-radius: 8px;
    padding: 30px;
    text-align: center;
    background-color: var(--neutral-off-white);
    color: var(--neutral-light-gray);
    cursor: pointer;
    transition: background-color 0.3s, border-color 0.3s;
    margin-bottom: 15px;
}
.image-upload-zone:hover,
.image-upload-zone.dragover {
    background-color: var(--primary-light);
    border-color: var(--primary-bright);
}
.image-upload-zone p {
    margin: 0;
    pointer-events: none;
}

/* テキスト入力 */
.text-input-group {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
}
#text-item-input {
    flex: 1;
    padding: 10px;
    font-size: 1em;
    border: 1px solid var(--neutral-border);
    border-radius: 5px;
}
#add-text-btn {
    flex-shrink: 0;
}


/* === Tier表エリア === */
.tier-board-section h3 {
    margin-top: 25px;
    border-bottom: 2px solid var(--neutral-border);
    padding-bottom: 5px;
}

.custom-mode-notice {
    text-align: center;
    color: var(--neutral-mid-gray);
    font-style: italic;
    margin-bottom: 10px;
}


.tier-board-container {
    background-color: var(--neutral-dark-gray);
    border: 1px solid var(--neutral-dark-gray);
    border-radius: 8px;
    overflow: hidden; 
}

.tier-rank-row {
    display: flex;
    min-height: 100px; 
    border-bottom: 1px solid var(--neutral-slate-blue);
    align-items: stretch; 
}
.tier-rank-row:last-child {
    border-bottom: none;
}

.tier-rank-label {
    flex: 0 0 100px; 
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.8em;
    font-weight: bold;
    color: var(--neutral-white);
    background-color: var(--neutral-dark-blue);
    border-right: 1px solid var(--neutral-slate-blue);
    cursor: default;
    user-select: none;
}

.tier-rank-label[contenteditable="true"] {
    cursor: text;
    flex-grow: 1; 
    flex-shrink: 1; 
    flex-basis: 100px; 
    max-width: 30%; 
}


.tier-item-container {
    flex: 1; 
    display: flex;
    flex-wrap: wrap;
    align-content: flex-start; 
    gap: 8px;
    padding: 8px;
    background-color: var(--neutral-slate-blue);
    transition: background-color 0.3s;
}

/* === アイテムプール === */
.item-pool {
    min-height: 120px;
    background-color: var(--neutral-white);
    border: 1px solid var(--neutral-border);
    border-radius: 8px;
    padding: 8px;
    display: flex;
    flex-wrap: wrap;
    align-content: flex-start;
    gap: 8px;
}

/* === ドラッグ＆ドロップ関連 === */
.tier-item {
    width: 90px;
    height: 90px;
    border: 2px solid var(--neutral-white);
    border-radius: 5px;
    cursor: grab;
    transition: opacity 0.3s;
}
.tier-item.dragging {
    opacity: 0.4;
    cursor: grabbing;
}

/* 画像アイテム */
.image-item {
    object-fit: cover;
}

/* テキストアイテム */
.text-item {
    background-color: var(--neutral-white);
    color: var(--neutral-dark-gray);
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    font-size: 0.9em; 
    font-weight: bold;
    padding: 5px;
    box-sizing: border-box; 
    word-break: break-word; 
    border-color: var(--neutral-border);
}

.text-item.text-item-medium {
    font-size: 0.8em; 
}
.text-item.text-item-small {
    font-size: 0.65em; 
}


.drop-zone.dragover {
    background-color: var(--primary-dark) !important;
}

/* 削除ボタン */
.delete-rank-btn {
    flex: 0 0 40px; 
    background-color: var(--semantic-red);
    color: var(--neutral-white);
    border: none;
    cursor: pointer;
    font-size: 1.2em;
    font-weight: bold;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: background-color 0.3s;
    border-left: 1px solid var(--neutral-slate-blue);
}
.delete-rank-btn:hover {
    background-color: #c0392b; 
}

/* エクスポート時非表示 */
.exporting .delete-rank-btn {
    display: none;
}


/* === ▼▼▼ PC専用制限設定 ▼▼▼ === */

/* 通常は制限メッセージを非表示 */
.mobile-restriction {
    display: none;
    width: 90%;
    max-width: 600px;
    margin: 40px auto;
    padding: 40px;
    background-color: var(--neutral-white);
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.restriction-icon {
    font-size: 4em;
    margin-bottom: 20px;
}
.mobile-restriction h2 {
    color: var(--semantic-red);
    border-left: none; /* 既存のh2スタイルをリセット */
    padding-left: 0;
    margin-bottom: 20px;
}
.mobile-restriction p {
    color: var(--neutral-mid-gray);
    margin-bottom: 15px;
}

/* レスポンシブ切り替え */
/* タブレット・スマホサイズ (1024px以下) の場合 */
@media (max-width: 1024px) {
    /* メインツールを非表示 */
    .pc-only-content {
        display: none !important;
    }

    /* 制限メッセージを表示 */
    .mobile-restriction {
        display: block;
    }
    
    /* フッターレイアウトの調整（縦並び） */
    .footer-links-wrapper {
        flex-direction: column;
        gap: 0;
    }
    .footer-section {
        margin-bottom: 15px;
        padding-bottom: 15px;
        border-bottom: 1px dashed #556c80;
    }
    .footer-section:last-of-type {
        border-bottom: none;
        margin-bottom: 0;
        padding-bottom: 0;
    }
}