/* Tool Hero Section - Required by tool-page-structure.mdc */
.tool-hero {
    display: flex;
    flex-wrap: wrap;
    gap: 32px;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.hero-text {
    flex: 1;
    min-width: 260px;
}

.hero-text h1 {
    font-size: 40px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 0;
}

.hero-subtitle {
    font-size: 18px;
    color: var(--text-muted);
    max-width: 640px;
    margin-bottom: 1rem;
    margin-top: 0;
}

@media (max-width: 767px) {
    .hero-text h1 {
        font-size: clamp(1.75rem, 5vw, 2.5rem);
    }
    
    .hero-subtitle {
        font-size: clamp(1rem, 3vw, 1.125rem);
    }
}

/* Compare Interface */
.compare-interface {
    margin-top: 2rem;
}

.initContainer {
    display: block;
}

.compare-layout {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 1.5rem;
    align-items: start;
    margin-bottom: 2rem;
}

.compare-panel {
    background: var(--card-bg, #ffffff);
    border: 1px solid var(--border-color, #e5e7eb);
    border-radius: 12px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    transition: box-shadow 0.2s ease;
}

.compare-panel:hover {
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.25rem;
    background: var(--panel-header-bg, #f9fafb);
    border-bottom: 1px solid var(--border-color, #e5e7eb);
}

.panel-title-group {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.panel-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary, #111827);
    margin: 0;
}

.panel-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: 12px;
    background: var(--badge-bg, #e5e7eb);
    color: var(--badge-text, #6b7280);
}

.panel-badge.valid {
    background: #d1fae5;
    color: #065f46;
}

.panel-badge.error {
    background: #fee2e2;
    color: #991b1b;
}

.panel-actions {
    display: flex;
    gap: 0.5rem;
}

.btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    padding: 0;
    background: transparent;
    border: 1px solid var(--border-color, #e5e7eb);
    border-radius: 6px;
    color: var(--text-secondary, #6b7280);
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-icon:hover {
    background: var(--hover-bg, #f3f4f6);
    color: var(--text-primary, #111827);
    border-color: var(--border-hover, #d1d5db);
}

.btn-icon:active {
    transform: scale(0.95);
}

.panel-editor {
    position: relative;
    flex: 1;
    min-height: 400px;
}

.json-input {
    width: 100%;
    height: 100%;
    min-height: 400px;
    padding: 1rem;
    border: none;
    outline: none;
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-primary, #111827);
    background: transparent;
    resize: none;
    tab-size: 2;
}

.json-input::placeholder {
    color: var(--text-muted, #9ca3af);
}

.error-message {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 0.75rem 1rem;
    background: #fee2e2;
    color: #991b1b;
    font-size: 0.875rem;
    border-top: 1px solid #fecaca;
    display: none;
}

.error-message:not(:empty) {
    display: block;
}

/* Compare Controls */
.compare-controls {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    padding: 1rem 0;
}

.btn-compare {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 1.5rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(102, 126, 234, 0.3);
    min-width: 100px;
}

.btn-compare:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(102, 126, 234, 0.4);
}

.btn-compare:active {
    transform: translateY(0);
}

.btn-compare:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.compare-icon {
    width: 20px;
    height: 20px;
}

.compare-text {
    font-size: 0.875rem;
    font-weight: 600;
}

.control-divider {
    width: 1px;
    height: 20px;
    background: var(--border-color, #e5e7eb);
}

.btn-secondary {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--card-bg, #ffffff);
    border: 1px solid var(--border-color, #e5e7eb);
    border-radius: 8px;
    color: var(--text-secondary, #6b7280);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.btn-secondary:hover {
    background: var(--hover-bg, #f3f4f6);
    color: var(--text-primary, #111827);
    border-color: var(--border-hover, #d1d5db);
}

.btn-secondary:active {
    transform: scale(0.95);
}

/* Compare Results */
.compare-results {
    margin-top: 2rem;
    background: var(--card-bg, #ffffff);
    border: 1px solid var(--border-color, #e5e7eb);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 1.5rem;
    background: var(--panel-header-bg, #f9fafb);
    border-bottom: 1px solid var(--border-color, #e5e7eb);
}

.results-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary, #111827);
    margin: 0;
}

.results-stats {
    font-size: 0.875rem;
    color: var(--text-secondary, #6b7280);
}

.results-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    border-top: 1px solid var(--border-color, #e5e7eb);
    background: #fafafa;
}

.diff-panel {
    display: flex;
    flex-direction: column;
    border-right: 2px solid var(--border-color, #e5e7eb);
    background: #ffffff;
}

.diff-panel:last-child {
    border-right: none;
}

.diff-header {
    padding: 0.75rem 1rem;
    background: var(--panel-header-bg, #f9fafb);
    border-bottom: 1px solid var(--border-color, #e5e7eb);
}

.diff-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary, #6b7280);
    margin: 0;
}

.diff-content {
    flex: 1;
    overflow: auto;
    background: #fafafa;
}

.diff-output {
    margin: 0;
    padding: 0;
    font-size: 13px;
    line-height: 1.8;
    color: var(--text-primary, #111827);
    background: transparent;
    white-space: pre;
    word-wrap: normal;
    overflow: visible;
    tab-size: 2;
    display: block;
}

/* Structure from jdd.js formatPRETags - pre.codeBlock contains gutter and code div */
.diff-output.codeBlock {
    display: flex;
    margin: 0;
    padding: 0;
    background: #ffffff;
    border: none;
    width: 100% !important;
}

.diff-output.codeBlock .gutter {
    flex-shrink: 0;
    width: 60px;
    padding: 1rem 0.5rem;
    background: #f5f5f5;
    border-right: 1px solid #e0e0e0;
    text-align: right;
    font-size: 12px;
    color: #999;
    user-select: none;
    line-height: 1.8;
}

.diff-output.codeBlock .gutter .line-number {
    display: block;
    line-height: 1.8;
    padding: 0;
    margin: 0;
}

.diff-output.codeBlock > div:last-child {
    flex: 1;
    padding: 1rem;
    overflow-x: auto;
    background: #ffffff;
    min-width: 0;
}

/* Diff highlighting - jdd.js adds these classes */
.diff-output.codeBlock .codeLine {
    position: relative;
    padding: 0;
    margin: 0;
    line-height: 1.8;
    min-height: 1.8em;
    white-space: pre;
    word-wrap: normal;
}

.diff-output.codeBlock .codeLine .code {
    display: inline;
    padding: 0;
    white-space: pre;
}

.diff-output.codeBlock .codeLine .code.diff {
    display: inline;
    padding: 2px 4px;
    border-radius: 3px;
    margin: 0 1px;
}

.diff-output.codeBlock .codeLine .code.diff.eq,
.diff-output.codeBlock .codeLine .code.diff.modified {
    background: #fff3cd;
    color: #856404;
    font-weight: 500;
}

.diff-output.codeBlock .codeLine .code.diff.missing {
    background: #f8d7da;
    color: #721c24;
}

.diff-output.codeBlock .codeLine .code.diff.type {
    background: #cfe2ff;
    color: #084298;
}

.diff-output.codeBlock .codeLine:hover {
    background: rgba(0, 0, 0, 0.02);
}

/* Highlight entire line when it has differences */
.diff-output.codeBlock .codeLine.diff {
    background: rgba(255, 243, 205, 0.2);
}

.diff-output.codeBlock .codeLine.missing {
    background: rgba(248, 215, 218, 0.2);
}

/* Ensure proper scrolling */
.diff-content {
    overflow-x: auto;
    overflow-y: auto;
}

/* Toolbar styling */
.toolbar-area {
    padding: 1rem 1.5rem;
    background: var(--panel-header-bg, #f9fafb);
    border-top: 1px solid var(--border-color, #e5e7eb);
}

.toolbar {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.toolbar li {
    padding: 0.5rem 0.75rem;
    background: var(--card-bg, #ffffff);
    border: 1px solid var(--border-color, #e5e7eb);
    border-radius: 6px;
    font-size: 0.875rem;
    color: var(--text-secondary, #6b7280);
    cursor: pointer;
    transition: all 0.2s ease;
}

.toolbar li:hover {
    background: var(--hover-bg, #f3f4f6);
    color: var(--text-primary, #111827);
    border-color: var(--border-hover, #d1d5db);
}

.toolbar li code {
    background: rgba(0, 0, 0, 0.05);
    padding: 2px 4px;
    border-radius: 3px;
    font-size: 0.8125rem;
}

.results-actions {
    display: flex;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    background: var(--panel-header-bg, #f9fafb);
    border-top: 1px solid var(--border-color, #e5e7eb);
}

.btn-action-primary,
.btn-action-secondary {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    border: 1px solid var(--border-color, #e5e7eb);
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-action-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-color: transparent;
}

.btn-action-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 6px rgba(102, 126, 234, 0.3);
}

.btn-action-secondary {
    background: var(--card-bg, #ffffff);
    color: var(--text-secondary, #6b7280);
}

.btn-action-secondary:hover {
    background: var(--hover-bg, #f3f4f6);
    color: var(--text-primary, #111827);
    border-color: var(--border-hover, #d1d5db);
}

.diff-report {
    padding: 1rem 1.5rem;
    background: var(--card-bg, #ffffff);
    border-top: 1px solid var(--border-color, #e5e7eb);
    font-size: 0.875rem;
    color: var(--text-secondary, #6b7280);
}

.diff-report:empty {
    display: none;
}

/* Mobile Responsive */
@media (max-width: 1024px) {
    .compare-layout {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .compare-controls {
        flex-direction: row;
        justify-content: center;
        padding: 0.75rem;
        background: var(--card-bg, #ffffff);
        border: 1px solid var(--border-color, #e5e7eb);
        border-radius: 12px;
    }

    .btn-compare {
        flex-direction: row;
        min-width: auto;
        padding: 0.75rem 1.25rem;
    }

    .control-divider {
        width: 20px;
        height: 1px;
    }

    .results-content {
        grid-template-columns: 1fr;
    }

    .diff-panel {
        border-right: none;
        border-bottom: 1px solid var(--border-color, #e5e7eb);
    }

    .diff-panel:last-child {
        border-bottom: none;
    }
}

@media (max-width: 767px) {
    .compare-interface {
        margin-top: 1.5rem;
    }

    .panel-header {
        padding: 0.75rem 1rem;
        flex-wrap: wrap;
        gap: 0.5rem;
    }

    .panel-title {
        font-size: 0.875rem;
    }

    .panel-badge {
        font-size: 0.6875rem;
        padding: 0.1875rem 0.5rem;
    }

    .panel-editor {
        min-height: 300px;
    }

    .json-input {
        min-height: 300px;
        font-size: 13px;
        padding: 0.75rem;
    }

    .compare-controls {
        flex-wrap: wrap;
        gap: 0.5rem;
    }

    .btn-compare {
        width: 100%;
        justify-content: center;
    }

    .btn-secondary {
        flex: 1;
        justify-content: center;
        min-width: 0;
    }

    .results-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
        padding: 1rem;
    }

    .results-actions {
        flex-direction: column;
        padding: 0.75rem 1rem;
    }

    .btn-action-primary,
    .btn-action-secondary {
        width: 100%;
        justify-content: center;
    }

    .diff-output {
        font-size: 12px;
        padding: 0.75rem;
    }
}

/* Loading State */
.btn-compare.loading {
    position: relative;
    color: transparent;
    pointer-events: none;
}

.btn-compare.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

@keyframes spin {
    to {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}