/* HTML formatter page styles: align with XML tools layout */

.tool-content.full-width {
    max-width: 100%;
}

.html-tool-grid {
    display: grid;
    grid-template-columns: minmax(0, 2fr) minmax(260px, 1fr);
    gap: 24px;
    margin-bottom: 32px;
}

.html-editor-card {
    background: var(--card-background);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border-color);
    box-shadow: var(--card-shadow);
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.html-editor-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
}

.html-editor-header h2 {
    margin: 0;
    font-size: 1.35rem;
    color: var(--text-primary);
}

.html-editor-subtitle {
    margin: 6px 0 0;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.html-editor-meta {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 6px;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.html-drop-zone {
    position: relative;
    border: 2px dashed var(--border-color);
    border-radius: var(--border-radius-lg);
    transition: var(--transition);
    background: var(--background-subtle);
}

.html-drop-zone.dragover {
    border-color: var(--primary-color);
    background: rgba(48, 118, 255, 0.05);
}

.html-textarea {
    width: 100%;
    min-height: 320px;
    border: none;
    padding: 20px;
    font-family: var(--font-mono);
    font-size: 0.95rem;
    line-height: 1.55;
    color: var(--text-primary);
    background: transparent;
    resize: vertical;
}

.html-textarea:focus {
    outline: none;
}

.html-drop-hint {
    position: absolute;
    inset: 12px;
    pointer-events: none;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 0.95rem;
    font-style: italic;
    opacity: 0;
    transition: var(--transition);
}

.html-drop-zone.empty .html-drop-hint {
    opacity: 1;
}

.html-action-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: space-between;
    align-items: center;
}

.html-action-group,
.html-options-group {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
}

.html-select-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.html-select {
    padding: 0.45rem 0.6rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    background: #fff;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.html-toggle {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 0.3rem 0.6rem;
    border-radius: var(--border-radius);
    border: 1px dashed var(--border-color);
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.html-toggle input {
    accent-color: var(--primary-color);
}

.html-ghost-btn {
    background: transparent;
    border: 1px dashed var(--border-color);
    color: var(--text-secondary);
    padding: 0.45rem 0.7rem;
    border-radius: var(--border-radius);
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
}

.html-ghost-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.html-outline-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.5rem 0.9rem;
    border-radius: var(--border-radius);
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition);
}

.html-outline-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.html-status-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--background-muted);
    border-radius: var(--border-radius);
    padding: 0.75rem 1rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.html-status {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.html-status-info::before {
    content: "ℹ";
    font-size: 1rem;
}

.html-status-success {
    color: var(--success-color);
}

.html-status-success::before {
    content: "✔";
}

.html-status-error {
    color: var(--danger-color);
}

.html-status-error::before {
    content: "✖";
}

.html-status-time {
    color: var(--text-muted);
}

.html-side-panel {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.html-side-card {
    background: var(--card-background);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border-color);
    padding: 18px;
    box-shadow: var(--card-shadow-sm);
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.html-side-card h3 {
    margin: 0;
    font-size: 1.1rem;
    color: var(--text-primary);
}

.html-side-text {
    margin: 0;
    color: var(--text-secondary);
    line-height: 1.6;
}

.html-meta-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.html-meta-list li {
    display: flex;
    justify-content: space-between;
    gap: 12px;
}

.html-output-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
    margin-bottom: 32px;
}

.html-output-card {
    background: var(--card-background);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border-color);
    box-shadow: var(--card-shadow);
    display: flex;
    flex-direction: column;
}

.html-output-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 20px 0;
}

.html-output-header h3 {
    margin: 0;
    color: var(--text-primary);
    font-size: 1.1rem;
}

.html-output-actions {
    display: flex;
    gap: 10px;
}

.html-output {
    margin: 0;
    padding: 18px 20px 24px;
    font-family: var(--font-mono);
    font-size: 0.93rem;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--background-subtle);
    border-radius: 0 0 var(--border-radius-lg) var(--border-radius-lg);
    white-space: pre-wrap;
    word-break: break-word;
    max-height: 420px;
    overflow: auto;
}

.html-tree-section {
    background: var(--card-background);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border-color);
    padding: 24px;
    margin-bottom: 32px;
    box-shadow: var(--card-shadow-sm);
}

.html-tree-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.html-tree-header h2 {
    margin: 0;
    font-size: 1.25rem;
    color: var(--text-primary);
}

.html-tree-summary {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.html-tree {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--background-subtle);
    border-radius: var(--border-radius);
    padding: 16px;
    max-height: 380px;
    overflow: auto;
}

.html-tree ul {
    list-style: none;
    margin: 0;
    padding-left: 18px;
}

.html-tree li {
    margin: 4px 0;
    position: relative;
}

.html-tree li::before {
    content: "";
    position: absolute;
    left: -12px;
    top: 0.75rem;
    width: 8px;
    height: 1px;
    background: var(--border-color);
}

.html-tree li::after {
    content: "";
    position: absolute;
    left: -12px;
    top: -0.4rem;
    width: 1px;
    height: 1.5rem;
    background: var(--border-color);
}

.html-faq-section {
    background: var(--card-background);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border-color);
    padding: 24px;
    box-shadow: var(--card-shadow-sm);
    margin-bottom: 32px;
}

.html-faq-section h2 {
    margin-top: 0;
    color: var(--text-primary);
    font-size: 1.3rem;
}

.html-faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 18px;
}

.html-faq-card {
    background: var(--background-subtle);
    border-radius: var(--border-radius);
    padding: 18px;
    border: 1px solid var(--border-color);
}

.html-faq-card h3 {
    margin-top: 0;
    font-size: 1.05rem;
    color: var(--text-primary);
}

.html-faq-card p {
    margin-bottom: 0;
    color: var(--text-secondary);
    line-height: 1.6;
}

@media (max-width: 1024px) {
    .html-tool-grid {
        grid-template-columns: 1fr;
    }

    .html-editor-card {
        order: 1;
    }

    .html-side-panel {
        order: 2;
    }
}

@media (max-width: 768px) {
    .html-editor-card {
        padding: 18px;
    }

    .html-output-grid {
        grid-template-columns: 1fr;
    }

    .html-action-bar {
        flex-direction: column;
        align-items: stretch;
    }

    .html-action-group,
    .html-options-group {
        justify-content: center;
    }
}