/**
 * LinkedIn Ad Preview Styles
 * Accurate reproduction of LinkedIn Feed and Carousel ads
 */

/* =============================================================================
   CSS VARIABLES - LinkedIn Colors
   ============================================================================= */

:root {
    --li-bg: #ffffff;
    --li-secondary-bg: #F3F2EF;
    --li-text-primary: rgba(0, 0, 0, 0.9);
    --li-text-secondary: rgba(0, 0, 0, 0.6);
    --li-border: rgba(0, 0, 0, 0.08);
    --li-blue: #0A66C2;
    --li-separator: #E6E9EC;
    --li-link-card-bg: #F3F6F8;
    --li-cta-text: #0A66C2;
    --li-cta-border: #0A66C2;
    --li-reaction-like: #0A66C2;
    --li-reaction-celebrate: #44712E;
    --li-reaction-love: #D11124;
    --li-reaction-insightful: #E68523;
    --li-reaction-funny: #C37D16;
}

/* =============================================================================
   FEED AD - CONTAINER
   ============================================================================= */

.li-ad-preview-feed {
    max-width: 500px;
    background: var(--li-bg);
    box-shadow: 0 0 0 1px var(--li-border), 0 2px 3px rgba(0, 0, 0, 0.05);
    border-radius: 8px;
    font-family: -apple-system, system-ui, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    color: var(--li-text-primary);
    overflow: hidden;
}

/* =============================================================================
   FEED AD - HEADER
   ============================================================================= */

.li-ad-header {
    display: flex;
    align-items: flex-start;
    padding: 12px 16px;
    gap: 8px;
}

.li-ad-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
    background: var(--li-blue);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 18px;
}

.li-ad-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.li-ad-header-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0;
    min-width: 0;
}

.li-ad-page-name {
    font-weight: 600;
    font-size: 14px;
    color: var(--li-text-primary);
    line-height: 20px;
}

.li-ad-followers {
    font-size: 12px;
    color: var(--li-text-secondary);
    line-height: 16px;
}

.li-ad-promoted {
    font-size: 12px;
    color: var(--li-text-secondary);
    line-height: 16px;
    display: flex;
    align-items: center;
    gap: 2px;
}

.li-ad-promoted svg {
    display: inline-block;
    vertical-align: middle;
}

.li-ad-menu {
    color: var(--li-text-secondary);
    cursor: pointer;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    line-height: 1;
    padding: 4px;
    border-radius: 50%;
}

.li-ad-menu:hover {
    background: var(--li-secondary-bg);
}

.li-ad-menu svg {
    display: block;
}

/* =============================================================================
   FEED AD - INTRODUCTORY TEXT
   ============================================================================= */

.li-ad-intro-text {
    padding: 0 16px 12px;
    font-size: 14px;
    line-height: 20px;
    color: var(--li-text-primary);
}

.li-ad-placeholder {
    color: var(--li-text-secondary);
    font-style: italic;
}

.li-ad-see-more {
    color: var(--li-text-secondary);
    cursor: pointer;
    font-weight: 600;
}

.li-ad-see-more:hover {
    color: var(--li-blue);
}

/* =============================================================================
   FEED AD - IMAGE AREA
   ============================================================================= */

.li-ad-image {
    width: 100%;
    position: relative;
    background: #e9e5df;
    overflow: hidden;
}

/* Landscape format (1.91:1) — default */
.li-ad-image--landscape {
    aspect-ratio: 1.91 / 1;
}

@supports not (aspect-ratio: 1.91 / 1) {
    .li-ad-image--landscape {
        padding-bottom: 52.4%;
    }
}

/* Square format (1:1) */
.li-ad-image--square {
    aspect-ratio: 1 / 1;
}

@supports not (aspect-ratio: 1 / 1) {
    .li-ad-image--square {
        padding-bottom: 100%;
    }
}

/* Vertical format (4:5) */
.li-ad-image--vertical {
    aspect-ratio: 4 / 5;
}

@supports not (aspect-ratio: 4 / 5) {
    .li-ad-image--vertical {
        padding-bottom: 125%;
    }
}

.li-ad-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    top: 0;
    left: 0;
}

.li-ad-image-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    color: #aaaaaa;
}

/* =============================================================================
   FEED AD - LINK CARD (below image)
   ============================================================================= */

.li-ad-link-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: var(--li-link-card-bg);
    gap: 12px;
}

.li-ad-link-info {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.li-ad-headline {
    font-size: 14px;
    font-weight: 600;
    color: var(--li-text-primary);
    line-height: 20px;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.li-ad-domain {
    font-size: 12px;
    color: var(--li-text-secondary);
    line-height: 16px;
}

.li-ad-cta {
    background: transparent;
    color: var(--li-cta-text);
    border: 1px solid var(--li-cta-border);
    border-radius: 16px;
    padding: 6px 16px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
    flex-shrink: 0;
    font-family: inherit;
    transition: background 150ms ease, box-shadow 150ms ease;
}

.li-ad-cta:hover {
    background: rgba(10, 102, 194, 0.08);
    box-shadow: inset 0 0 0 1px var(--li-cta-border);
}

/* =============================================================================
   FEED AD - REACTIONS BAR
   ============================================================================= */

.li-ad-reactions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 16px;
    font-size: 12px;
    color: var(--li-text-secondary);
    border-bottom: 1px solid var(--li-separator);
}

.li-ad-reactions-left {
    display: flex;
    align-items: center;
    gap: 4px;
}

.li-ad-reactions-icons {
    display: flex;
}

.li-reaction-icon {
    width: 20px;
    height: 20px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    border: 2px solid var(--li-bg);
    margin-right: -4px;
    position: relative;
    line-height: 1;
}

.li-reaction-icon svg {
    display: block;
    width: 18px;
    height: 18px;
}

.li-ad-reactions-count {
    margin-left: 8px;
    font-size: 12px;
    color: var(--li-text-secondary);
}

.li-ad-social-counts {
    font-size: 12px;
    color: var(--li-text-secondary);
}

/* =============================================================================
   FEED AD - ACTIONS BAR (Like · Comment · Repost · Send)
   ============================================================================= */

.li-ad-actions {
    display: flex;
    padding: 4px 8px;
}

.li-ad-action {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 8px 0;
    font-size: 12px;
    font-weight: 600;
    color: var(--li-text-secondary);
    cursor: pointer;
    border-radius: 4px;
    transition: background 150ms ease;
}

.li-ad-action:hover {
    background: var(--li-secondary-bg);
}

.li-ad-action-icon {
    display: inline-flex;
    align-items: center;
    line-height: 1;
}

.li-ad-action-icon svg {
    display: block;
    width: 20px;
    height: 20px;
}

/* =============================================================================
   CAROUSEL PREVIEW
   ============================================================================= */

.li-carousel-container {
    position: relative;
}

.li-carousel-track {
    display: flex;
    overflow: hidden;
}

.li-carousel-card {
    flex: 0 0 100%;
    transition: transform 0.3s ease;
}

.li-carousel-card-image {
    width: 100%;
    aspect-ratio: 1 / 1;
    position: relative;
    background: #e9e5df;
    overflow: hidden;
}

@supports not (aspect-ratio: 1 / 1) {
    .li-carousel-card-image {
        padding-bottom: 100%;
    }
}

.li-carousel-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    top: 0;
    left: 0;
}

.li-carousel-card-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 16px;
    background: var(--li-link-card-bg);
    gap: 8px;
}

.li-carousel-card-info {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.li-carousel-card-headline {
    font-size: 14px;
    font-weight: 600;
    color: var(--li-text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.li-carousel-card-domain {
    font-size: 12px;
    color: var(--li-text-secondary);
}

/* Carousel navigation */
.li-carousel-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-100%);
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.9);
    border: none;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.25);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--li-text-primary);
    z-index: 5;
    padding: 0;
    line-height: 1;
    transition: background 150ms ease;
}

.li-carousel-nav:hover {
    background: #ffffff;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
}

.li-carousel-nav--prev {
    left: 8px;
}

.li-carousel-nav--next {
    right: 8px;
}

.li-carousel-nav[disabled] {
    opacity: 0;
    pointer-events: none;
}

.li-carousel-nav svg {
    width: 20px;
    height: 20px;
}

.li-carousel-dots {
    display: flex;
    justify-content: center;
    gap: 4px;
    padding: 8px 0;
}

.li-carousel-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--li-separator);
    transition: background 0.2s ease;
    cursor: pointer;
}

.li-carousel-dot.active {
    background: var(--li-blue);
}

/* =============================================================================
   FORM FIELDS
   ============================================================================= */

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

.ad-form .form-label {
    display: block;
    font-weight: 600;
    font-size: 14px;
    margin-bottom: 6px;
    color: var(--color-text, #1a2e1a);
}

.ad-form .form-input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    font-size: 14px;
    font-family: inherit;
    color: var(--li-text-primary);
    background: #fff;
    box-sizing: border-box;
    transition: border-color 150ms ease, box-shadow 150ms ease;
}

.ad-form .form-input:focus {
    outline: none;
    border-color: var(--li-blue);
    box-shadow: 0 0 0 3px rgba(10, 102, 194, 0.1);
}

.ad-form textarea.form-input {
    resize: vertical;
    min-height: 72px;
}

.ad-form select.form-input {
    appearance: auto;
    cursor: pointer;
}

.ad-form .form-hint {
    display: block;
    font-size: 12px;
    color: var(--color-text-tertiary, #566a5e);
    margin-top: 4px;
}

.ad-form .input-with-counter {
    position: relative;
}

.ad-form .input-with-counter input,
.ad-form .input-with-counter textarea {
    padding-right: 70px;
}

.ad-form .input-with-counter .char-counter {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 12px;
    color: var(--li-text-secondary);
    pointer-events: none;
}

.ad-form .input-with-counter textarea ~ .char-counter {
    top: auto;
    bottom: 8px;
    transform: none;
}

/* =============================================================================
   FORMAT CARDS
   ============================================================================= */

.li-format-cards {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.li-format-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    min-width: 70px;
    padding: 10px 10px;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    background: #fff;
    cursor: pointer;
    font-family: inherit;
    transition: border-color 150ms ease, background 150ms ease, box-shadow 150ms ease;
}

.li-format-card:hover {
    background: #f5f5f5;
    border-color: #bbb;
}

.li-format-card.active {
    border: 2px solid var(--li-blue);
    background: rgba(10, 102, 194, 0.05);
    box-shadow: 0 0 0 1px rgba(10, 102, 194, 0.1);
}

.li-format-card-icon {
    color: var(--li-text-secondary);
}

.li-format-card.active .li-format-card-icon {
    color: var(--li-blue);
}

.li-format-card-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--li-text-primary);
    line-height: 1;
}

.li-format-card-ratio {
    font-size: 11px;
    color: var(--li-text-secondary);
    line-height: 1;
}

.li-format-card.active .li-format-card-label,
.li-format-card.active .li-format-card-ratio {
    color: var(--li-blue);
}

/* =============================================================================
   IMAGE UPLOAD ZONE
   ============================================================================= */

.li-upload-zone {
    border: 2px dashed #d1d5db;
    border-radius: 8px;
    padding: 24px 16px;
    text-align: center;
    cursor: pointer;
    transition: border-color 150ms ease, background 150ms ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}

.li-upload-zone--compact {
    padding: 14px 12px;
}

.li-upload-zone:hover,
.li-upload-zone.drag-over {
    border-color: var(--li-blue);
    background: rgba(10, 102, 194, 0.03);
}

.li-upload-preview {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    margin-top: 8px;
}

.li-upload-thumbnail {
    width: 48px;
    height: 48px;
    object-fit: cover;
    border-radius: 4px;
    flex-shrink: 0;
}

.li-upload-filename {
    flex: 1;
    font-size: 13px;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.li-upload-remove {
    background: none;
    border: none;
    color: #e74c3c;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    padding: 4px 8px;
    font-family: inherit;
    flex-shrink: 0;
    margin-left: auto;
}

/* Sample images */
.li-sample-images {
    margin-top: 8px;
}

.li-sample-list {
    display: flex;
    gap: 8px;
    margin-top: 4px;
}

.li-sample-img {
    width: 48px;
    height: 48px;
    object-fit: cover;
    border-radius: 6px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: border-color 150ms ease, transform 150ms ease;
}

.li-sample-img:hover {
    border-color: var(--li-blue);
    transform: scale(1.05);
}

/* =============================================================================
   REACTION PICKER (form)
   ============================================================================= */

.li-reaction-picker {
    display: flex;
    gap: 8px;
    margin-bottom: 8px;
}

.li-reaction-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 2px solid #d1d5db;
    background: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: border-color 150ms ease, background 150ms ease, transform 150ms ease;
    padding: 0;
}

.li-reaction-btn svg {
    display: block;
}

.li-reaction-btn:hover {
    transform: scale(1.1);
    border-color: #999;
}

.li-reaction-btn.active {
    border-color: var(--li-blue);
    background: rgba(10, 102, 194, 0.08);
    box-shadow: 0 0 0 2px rgba(10, 102, 194, 0.15);
}

.li-reaction-btn[data-reaction="like"].active { border-color: var(--li-reaction-like); background: rgba(10, 102, 194, 0.08); box-shadow: 0 0 0 2px rgba(10, 102, 194, 0.15); }
.li-reaction-btn[data-reaction="celebrate"].active { border-color: var(--li-reaction-celebrate); background: rgba(68, 113, 46, 0.08); box-shadow: 0 0 0 2px rgba(68, 113, 46, 0.15); }
.li-reaction-btn[data-reaction="love"].active { border-color: var(--li-reaction-love); background: rgba(209, 17, 36, 0.08); box-shadow: 0 0 0 2px rgba(209, 17, 36, 0.15); }
.li-reaction-btn[data-reaction="insightful"].active { border-color: var(--li-reaction-insightful); background: rgba(230, 133, 35, 0.08); box-shadow: 0 0 0 2px rgba(230, 133, 35, 0.15); }
.li-reaction-btn[data-reaction="funny"].active { border-color: var(--li-reaction-funny); background: rgba(195, 125, 22, 0.08); box-shadow: 0 0 0 2px rgba(195, 125, 22, 0.15); }

/* =============================================================================
   CAROUSEL FORM CARDS
   ============================================================================= */

.li-carousel-card-item {
    border: 1px solid #d1d5db;
    border-radius: 8px;
    padding: 12px;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.li-carousel-card-item img {
    width: 48px;
    height: 48px;
    object-fit: cover;
    border-radius: 4px;
    flex-shrink: 0;
}

.li-carousel-card-item-placeholder {
    width: 48px;
    height: 48px;
    border-radius: 4px;
    background: #f0f0f0;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: #aaa;
    font-size: 20px;
    cursor: pointer;
}

.li-carousel-card-item-info {
    flex: 1;
    font-size: 13px;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.li-carousel-card-item-actions {
    display: flex;
    gap: 8px;
    flex-shrink: 0;
}

.li-carousel-card-item-actions button {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 12px;
    font-weight: 600;
    font-family: inherit;
    padding: 2px 6px;
}

.li-carousel-card-upload-btn {
    color: var(--li-blue);
}

.li-carousel-card-remove-btn {
    color: #e74c3c;
}

.li-carousel-add-card {
    width: 100%;
    margin-top: 4px;
}

/* =============================================================================
   PREVIEW AREA
   ============================================================================= */

#preview-area {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.preview-wrapper {
    overflow: hidden;
}

#preview-format-label {
    display: inline-block;
    background: var(--li-blue);
    color: #fff;
    padding: 4px 14px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.3px;
}

.preview-format-info {
    text-align: center;
    margin-bottom: 12px;
}

/* =============================================================================
   RESPONSIVE ADJUSTMENTS
   ============================================================================= */

@media (max-width: 768px) {
    .li-ad-preview-feed {
        max-width: 100%;
    }

    .li-format-cards {
        width: 100%;
    }

    .li-format-card {
        flex: 1;
        min-width: 0;
    }
}

@media (max-width: 400px) {
    .li-ad-link-card {
        flex-direction: column;
        align-items: stretch;
    }

    .li-ad-cta {
        margin-top: 8px;
        text-align: center;
    }

    .li-carousel-card-link {
        flex-direction: column;
        align-items: stretch;
    }
}