/* Webサイトチェックツール専用スタイル */

/* CSS変数定義 */
:root {
    --primary-color: #4dd0e1;
    --border-color: #e2e8f0;
    --bg-light: #f7fafc;
    --bg-lighter: #fafafa;
    --text-primary: #2d3748;
    --text-secondary: #718096;
    --text-muted: #4a5568;
    --error-color: #f56565;
    --error-bg: #fff5f5;
    --warning-color: #ed8936;
    --warning-bg: #fffaf0;
    --info-color: #4299e1;
    --info-bg: #ebf8ff;
    --success-color: #48bb78;
    --success-bg: #f0fff4;
    --border-radius: 8px;
    --border-radius-large: 12px;
    --transition-speed: 0.3s;
}

/* 入力セクション */
.input-section {
    margin-bottom: 40px;
}

.input-section h2 {
    margin-bottom: 20px;
}

.input-section h3 {
    color: var(--text-primary);
    font-size: 1.1em;
    margin: 25px 0 15px 0;
}

/* タブ切り替え */
.input-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    border-bottom: 2px solid var(--border-color);
}

.tab-btn {
    background: transparent;
    border: none;
    padding: 12px 24px;
    font-size: 1em;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    border-bottom: 3px solid transparent;
    transition: all var(--transition-speed) ease;
    position: relative;
    bottom: -2px;
}

.tab-btn:hover {
    color: var(--primary-color);
}

.tab-btn.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.tab-content {
    display: none;
    padding: 20px 0;
}

.tab-content.active {
    display: block;
}

/* テキストエリア */
.textarea-field {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 0.95em;
    font-family: 'Courier New', monospace;
    transition: all var(--transition-speed) ease;
    background: white;
    resize: vertical;
    min-height: 200px;
}

.textarea-field:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(77, 208, 225, 0.1);
}

.input-hint {
    color: var(--text-secondary);
    font-size: 0.85em;
    margin-top: 8px;
}

/* チェック項目 */
.check-options {
    background: var(--bg-lighter);
    padding: 25px;
    border-radius: var(--border-radius-large);
    margin: 25px 0;
    border: 1px solid var(--border-color);
}

.checkbox-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 15px;
    margin-top: 15px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    cursor: pointer;
    user-select: none;
    padding: 10px;
    border-radius: var(--border-radius);
    transition: background 0.2s ease;
}

.checkbox-label:hover {
    background: #f0f9fa;
}

.checkbox-label input[type="checkbox"] {
    width: 20px;
    height: 20px;
    margin-right: 10px;
    cursor: pointer;
    accent-color: var(--primary-color);
}

.checkbox-label span {
    color: var(--text-primary);
    font-weight: 500;
}

/* 結果セクション */
.results-section {
    margin-top: 40px;
}

.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
}

.results-header h2 {
    margin: 0;
}

/* サマリーカード */
.summary-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.summary-card {
    background: white;
    border-radius: var(--border-radius-large);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 15px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    border-left: 4px solid var(--border-color);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.summary-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
}

.summary-card.error {
    border-left-color: var(--error-color);
}

.summary-card.warning {
    border-left-color: var(--warning-color);
}

.summary-card.info {
    border-left-color: var(--info-color);
}

.summary-card.success {
    border-left-color: var(--success-color);
}

.summary-icon {
    font-size: 2em;
    line-height: 1;
}

.summary-info {
    flex: 1;
}

.summary-count {
    font-size: 2em;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
    margin-bottom: 5px;
}

.summary-label {
    color: var(--text-secondary);
    font-size: 0.9em;
    font-weight: 600;
}

/* 結果詳細 */
.results-details {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.result-category {
    background: white;
    border-radius: var(--border-radius-large);
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.category-header {
    background: var(--bg-light);
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    user-select: none;
}

.category-header:hover {
    background: #edf2f7;
}

.category-title {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.1em;
    font-weight: 600;
    color: var(--text-primary);
}

.category-icon {
    font-size: 1.3em;
}

.category-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: var(--border-radius-large);
    font-size: 0.85em;
    font-weight: 600;
    background: var(--border-color);
    color: var(--text-muted);
}

.category-badge.has-issues {
    background: #fed7d7;
    color: #c53030;
}

.category-toggle {
    color: var(--text-secondary);
    transition: transform var(--transition-speed) ease;
}

.category-toggle.expanded {
    transform: rotate(180deg);
}

.category-content {
    padding: 20px;
    display: none;
}

.category-content.expanded {
    display: block;
}

/* 個別の問題項目 */
.issue-item {
    padding: 15px;
    margin-bottom: 15px;
    border-radius: var(--border-radius);
    border-left: 4px solid var(--border-color);
    background: var(--bg-light);
}

.issue-item:last-child {
    margin-bottom: 0;
}

.issue-item.error {
    border-left-color: var(--error-color);
    background: var(--error-bg);
}

.issue-item.warning {
    border-left-color: var(--warning-color);
    background: var(--warning-bg);
}

.issue-item.info {
    border-left-color: var(--info-color);
    background: var(--info-bg);
}

.issue-item.success {
    border-left-color: var(--success-color);
    background: var(--success-bg);
}

.issue-header {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 8px;
}

.issue-severity {
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.75em;
    font-weight: 700;
    text-transform: uppercase;
    flex-shrink: 0;
}

.issue-severity.error {
    background: var(--error-color);
    color: white;
}

.issue-severity.warning {
    background: var(--warning-color);
    color: white;
}

.issue-severity.info {
    background: var(--info-color);
    color: white;
}

.issue-severity.success {
    background: var(--success-color);
    color: white;
}

.issue-title {
    flex: 1;
    font-weight: 600;
    color: var(--text-primary);
}

.issue-description {
    color: var(--text-muted);
    margin-bottom: 8px;
    line-height: 1.6;
}

.issue-code {
    background: var(--text-primary);
    color: var(--border-color);
    padding: 10px;
    border-radius: 6px;
    font-family: 'Courier New', monospace;
    font-size: 0.85em;
    overflow-x: auto;
    margin-top: 8px;
}

.issue-suggestion {
    background: #e6fffa;
    border-left: 3px solid #38b2ac;
    padding: 10px;
    margin-top: 8px;
    border-radius: 4px;
}

.issue-suggestion strong {
    color: #234e52;
}

.no-issues {
    padding: 40px;
    text-align: center;
    color: var(--success-color);
}

.no-issues-icon {
    font-size: 3em;
    margin-bottom: 10px;
}

.no-issues-text {
    font-size: 1.2em;
    font-weight: 600;
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .summary-cards {
        grid-template-columns: repeat(2, 1fr);
    }

    .checkbox-grid {
        grid-template-columns: 1fr;
    }

    .results-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }

    .tab-btn {
        padding: 10px 16px;
        font-size: 0.9em;
    }
}

@media (max-width: 480px) {
    .summary-cards {
        grid-template-columns: 1fr;
    }

    .input-tabs {
        flex-direction: column;
        gap: 0;
    }

    .tab-btn {
        border-bottom: 1px solid var(--border-color);
        border-left: 3px solid transparent;
        text-align: left;
    }

    .tab-btn.active {
        border-left-color: var(--primary-color);
        border-bottom-color: var(--border-color);
    }
}