/* ================== OG Tag Preview Page Styles ================== */

/* ===== Main Layout ===== */
.og-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-top: 30px;
}

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

/* ===== Input Panel ===== */
.og-input-panel {
    display: flex;
    flex-direction: column;
    gap: 20px;
    min-width: 0; /* Grid overflow 방지 */
    max-width: 100%; /* 최대 너비 제한 */
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.panel-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0;
}

.panel-actions {
    display: flex;
    gap: 8px;
}

.btn-sample,
.btn-clear {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 8px 14px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-card);
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-sample:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

.btn-clear:hover {
    border-color: #e74c3c;
    color: #e74c3c;
}

/* ===== Form ===== */
.og-form {
    background: var(--bg-card);
    border-radius: 16px;
    padding: 24px;
    box-shadow: 0 4px 20px rgba(45, 52, 54, 0.08);
    min-width: 0; /* Grid overflow 방지 */
    max-width: 100%; /* 최대 너비 제한 */
}

.form-group {
    margin-bottom: 20px;
    position: relative;
}

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

.form-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid #d1d5db;
    border-radius: 10px;
    background: linear-gradient(145deg, #f8f9fa, #f1f3f5);
    font-size: 0.95rem;
    color: var(--text-primary);
    transition: all 0.2s;
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.05);
}

.form-input:hover,
.form-textarea:hover {
    border-color: rgba(99, 102, 241, 0.5);
    background: linear-gradient(145deg, #ffffff, #f8f9fa);
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.05), 0 0 0 2px rgba(99, 102, 241, 0.1);
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
    background: #ffffff;
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1), inset 0 1px 3px rgba(0, 0, 0, 0.05);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--text-muted);
}

.form-textarea {
    resize: vertical;
    min-height: 80px;
}

.char-count {
    position: absolute;
    right: 12px;
    bottom: 12px;
    font-size: 0.75rem;
    color: var(--text-muted);
    font-family: 'JetBrains Mono', monospace;
}

.form-hint {
    display: block;
    margin-top: 6px;
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ===== Code Output ===== */
.code-output {
    background: var(--bg-card);
    border-radius: 16px;
    padding: 20px;
    box-shadow: 0 4px 20px rgba(45, 52, 54, 0.08);
    min-width: 0; /* Grid overflow 방지 */
    max-width: 100%; /* 최대 너비 제한 */
}

.code-output__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 14px;
}

.code-output__title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0;
}

.btn-copy-code {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    border: 2px solid var(--accent-primary);
    border-radius: 8px;
    background: transparent;
    color: var(--accent-primary);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-copy-code:hover {
    background: var(--accent-primary);
    color: white;
}

.code-output__content {
    background: linear-gradient(145deg, #1e1e2e, #2d2d44);
    border-radius: 12px;
    padding: 16px;
    overflow-x: auto;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    line-height: 1.6;
    color: #a6e3a1;
    margin: 0;
    max-height: 300px;
    overflow-y: auto;
    word-break: break-all; /* 긴 코드 줄바꿈 */
    white-space: pre-wrap; /* 공백 유지하면서 줄바꿈 */
}

.code-output__content code {
    color: inherit;
    background: none;
    word-break: break-all;
    white-space: pre-wrap;
}

/* ===== Preview Panel ===== */
.og-preview-panel {
    display: flex;
    flex-direction: column;
    gap: 20px;
    min-width: 0; /* Grid overflow 방지 */
    max-width: 100%; /* 최대 너비 제한 */
}

/* ===== Platform Tabs ===== */
.platform-tabs {
    display: flex;
    gap: 8px;
    background: var(--bg-card);
    padding: 8px;
    border-radius: 14px;
    box-shadow: 0 4px 20px rgba(45, 52, 54, 0.08);
}

.platform-tab {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 12px 16px;
    border: none;
    border-radius: 10px;
    background: transparent;
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.platform-tab:hover {
    background: var(--bg-main);
    color: var(--text-primary);
}

.platform-tab.active {
    background: var(--accent-primary);
    color: white;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

/* ===== Preview Container ===== */
.preview-container {
    background: var(--bg-card);
    border-radius: 16px;
    padding: 24px;
    box-shadow: 0 4px 20px rgba(45, 52, 54, 0.08);
    min-height: 300px;
}

/* ===== Preview Cards ===== */
.preview-card {
    display: none;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.1);
}

.preview-card.active {
    display: block;
}

.preview-card__image {
    width: 100%;
    height: 250px;
    background: linear-gradient(145deg, #e9ecef, #dee2e6);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.preview-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.preview-card__image-placeholder {
    text-align: center;
    color: var(--text-muted);
}

.preview-card__image-placeholder span {
    font-size: 3rem;
    display: block;
    margin-bottom: 10px;
    opacity: 0.5;
}

.preview-card__image-placeholder p {
    font-size: 0.9rem;
    margin: 0;
}

.preview-card__content {
    padding: 16px;
    background: white;
}

/* Facebook Style */
.preview-card--facebook {
    border: 1px solid #dddfe2;
    background: white;
}

.preview-card--facebook .preview-card__domain {
    font-size: 0.75rem;
    color: #606770;
    text-transform: uppercase;
    margin-bottom: 4px;
}

.preview-card--facebook .preview-card__title {
    font-size: 1rem;
    font-weight: 600;
    color: #1d2129;
    margin-bottom: 4px;
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.preview-card--facebook .preview-card__desc {
    font-size: 0.85rem;
    color: #606770;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Twitter Style */
.preview-card--twitter {
    border: 1px solid #cfd9de;
    border-radius: 16px;
    background: white;
}

.preview-card--twitter .preview-card__image {
    border-radius: 16px 16px 0 0;
}

.preview-card--twitter .preview-card__title {
    font-size: 0.95rem;
    font-weight: 700;
    color: #0f1419;
    margin-bottom: 4px;
    line-height: 1.3;
}

.preview-card--twitter .preview-card__desc {
    font-size: 0.85rem;
    color: #536471;
    line-height: 1.4;
    margin-bottom: 4px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.preview-card--twitter .preview-card__domain {
    font-size: 0.8rem;
    color: #536471;
    display: flex;
    align-items: center;
    gap: 4px;
}

/* LinkedIn Style */
.preview-card--linkedin {
    border: 1px solid #e0e0e0;
    background: white;
}

.preview-card--linkedin .preview-card__title {
    font-size: 0.95rem;
    font-weight: 600;
    color: rgba(0, 0, 0, 0.9);
    margin-bottom: 4px;
    line-height: 1.3;
}

.preview-card--linkedin .preview-card__domain {
    font-size: 0.75rem;
    color: rgba(0, 0, 0, 0.6);
}

/* Kakao Style */
.preview-card--kakao {
    border: 1px solid #e5e5e5;
    border-radius: 12px;
    background: white;
}

.preview-card--kakao .preview-card__image {
    border-radius: 12px 12px 0 0;
}

.preview-card--kakao .preview-card__title {
    font-size: 0.95rem;
    font-weight: 700;
    color: #191919;
    margin-bottom: 6px;
    line-height: 1.4;
}

.preview-card--kakao .preview-card__desc {
    font-size: 0.85rem;
    color: #999;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ===== Validation Panel ===== */
.validation-panel {
    background: var(--bg-card);
    border-radius: 16px;
    padding: 20px;
    box-shadow: 0 4px 20px rgba(45, 52, 54, 0.08);
}

.validation-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0 0 16px 0;
}

.validation-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.validation-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border-radius: 10px;
    font-size: 0.9rem;
}

.validation-item--success {
    background: rgba(39, 174, 96, 0.1);
    color: #27ae60;
}

.validation-item--warning {
    background: rgba(241, 196, 15, 0.1);
    color: #f39c12;
}

.validation-item--error {
    background: rgba(231, 76, 60, 0.1);
    color: #e74c3c;
}

.validation-item__icon {
    font-size: 1rem;
    flex-shrink: 0;
}

.validation-item__text {
    flex: 1;
}

/* ===== Info Section ===== */
.info-section {
    margin-top: 40px;
    padding: 30px;
    background: var(--bg-card);
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(45, 52, 54, 0.08);
}

.info-section__title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.info-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

@media (max-width: 1024px) {
    .info-cards {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .info-cards {
        grid-template-columns: 1fr;
    }
}

.info-card {
    background: var(--bg-main);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    transition: all 0.2s;
}

.info-card:hover {
    border-color: var(--accent-primary);
    transform: translateY(-2px);
}

.info-card__icon {
    font-size: 2rem;
    margin-bottom: 12px;
}

.info-card__title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.info-card__desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin: 0;
}

/* ===== Best Practices ===== */
.best-practices {
    margin-top: 40px;
    padding: 30px;
    background: var(--bg-card);
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(45, 52, 54, 0.08);
}

.best-practices__title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.best-practices__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

@media (max-width: 900px) {
    .best-practices__grid {
        grid-template-columns: 1fr;
    }
}

.practice-card {
    background: var(--bg-main);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    transition: all 0.2s;
}

.practice-card:hover {
    border-color: var(--accent-primary);
}

.practice-card__header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 14px;
}

.practice-card__icon {
    font-size: 1.5rem;
}

.practice-card__title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.practice-card__list {
    margin: 0;
    padding-left: 20px;
}

.practice-card__list li {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
    line-height: 1.4;
}

.practice-card__list li:last-child {
    margin-bottom: 0;
}

/* ===== Toast ===== */
.toast {
    position: fixed;
    bottom: 100px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: var(--text-primary);
    color: white;
    padding: 14px 28px;
    border-radius: 12px;
    font-size: 0.95rem;
    font-weight: 600;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.toast.show {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

/* ===== Dark Mode ===== */
[data-theme="dark"] .form-input,
[data-theme="dark"] .form-textarea {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.2);
}

[data-theme="dark"] .form-input:hover,
[data-theme="dark"] .form-textarea:hover {
    border-color: rgba(99, 102, 241, 0.6);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.2), 0 0 0 2px rgba(99, 102, 241, 0.15);
}

[data-theme="dark"] .form-input:focus,
[data-theme="dark"] .form-textarea:focus {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.2), inset 0 1px 3px rgba(0, 0, 0, 0.2);
}

[data-theme="dark"] .preview-card {
    border-color: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .preview-card__content {
    background: var(--bg-main);
}

[data-theme="dark"] .preview-card--facebook .preview-card__domain,
[data-theme="dark"] .preview-card--facebook .preview-card__desc {
    color: var(--text-muted);
}

[data-theme="dark"] .preview-card--facebook .preview-card__title,
[data-theme="dark"] .preview-card--twitter .preview-card__title,
[data-theme="dark"] .preview-card--linkedin .preview-card__title,
[data-theme="dark"] .preview-card--kakao .preview-card__title {
    color: var(--text-primary);
}

[data-theme="dark"] .preview-card--twitter .preview-card__desc,
[data-theme="dark"] .preview-card--twitter .preview-card__domain,
[data-theme="dark"] .preview-card--linkedin .preview-card__domain,
[data-theme="dark"] .preview-card--kakao .preview-card__desc {
    color: var(--text-muted);
}

[data-theme="dark"] .preview-card__image {
    background: rgba(255, 255, 255, 0.05);
}

[data-theme="dark"] .info-card {
    background: rgba(255, 255, 255, 0.02);
}

[data-theme="dark"] .practice-card {
    background: rgba(255, 255, 255, 0.02);
}

[data-theme="dark"] .platform-tab:hover {
    background: rgba(255, 255, 255, 0.05);
}

/* ===== Responsive Adjustments ===== */
@media (max-width: 600px) {
    .platform-tabs {
        flex-wrap: wrap;
    }
    
    .platform-tab {
        flex: 1 1 45%;
        font-size: 0.8rem;
        padding: 10px 12px;
    }
    
    .preview-card__image {
        height: 180px;
    }
}