/**
 * Activity Feed Styles
 *
 * @package IncuCommunity\Modules\Activity
 * @since 1.0.0
 */

/* ============================================
   Variables
   ============================================ */
:root {
    --incuc-activity-bg: #fff;
    --incuc-activity-border: #e0e0e0;
    --incuc-activity-text: #333;
    --incuc-activity-text-muted: #666;
    --incuc-activity-link: #0073aa;
    --incuc-activity-hover: #f8f9fa;
    --incuc-reaction-like: #2196f3;
    --incuc-reaction-love: #e91e63;
    --incuc-reaction-haha: #ffc107;
    --incuc-reaction-wow: #ffc107;
    --incuc-reaction-sad: #ffc107;
    --incuc-reaction-angry: #f44336;
}

/* ============================================
   Activity Feed Container
   ============================================ */
.incuc-activity-feed {
    max-width: 680px;
    margin: 0 auto;
}

/* ============================================
   Post Form
   ============================================ */
.incuc-post-form {
    background: var(--incuc-activity-bg);
    border: 1px solid var(--incuc-activity-border);
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 20px;
}

.incuc-post-form-header {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.incuc-post-form-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
}

.incuc-post-form-input-wrapper {
    flex: 1;
}

.incuc-post-form-textarea {
    width: 100%;
    min-height: 80px;
    padding: 12px;
    border: 1px solid var(--incuc-activity-border);
    border-radius: 6px;
    font-size: 15px;
    resize: none;
    outline: none;
    transition: border-color 0.2s, min-height 0.3s;
}

.incuc-post-form-textarea:focus {
    border-color: var(--incuc-activity-link);
}

.incuc-post-form-textarea.is-expanded {
    min-height: 120px;
}

.incuc-post-form-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid var(--incuc-activity-border);
}

.incuc-post-form-actions {
    display: flex;
    gap: 10px;
}

.incuc-post-form-action {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    background: transparent;
    border: none;
    border-radius: 6px;
    color: var(--incuc-activity-text-muted);
    font-size: 14px;
    cursor: pointer;
    transition: background 0.2s, color 0.2s;
}

.incuc-post-form-action:hover {
    background: var(--incuc-activity-hover);
    color: var(--incuc-activity-text);
}

.incuc-privacy-select {
    padding: 8px 12px;
    border: 1px solid var(--incuc-activity-border);
    border-radius: 6px;
    font-size: 14px;
    background: var(--incuc-activity-bg);
}

.incuc-post-submit {
    padding: 10px 24px;
    background: var(--incuc-activity-link);
    color: #fff;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s;
}

.incuc-post-submit:hover {
    background: #005a87;
}

.incuc-post-submit:disabled {
    background: #ccc;
    cursor: not-allowed;
}

.incuc-char-count {
    font-size: 12px;
    color: var(--incuc-activity-text-muted);
}

.incuc-char-count.is-warning {
    color: #f57c00;
}

.incuc-char-count.is-error {
    color: #d32f2f;
}

/* ============================================
   Link Preview
   ============================================ */
.incuc-link-preview {
    margin-top: 15px;
    border: 1px solid var(--incuc-activity-border);
    border-radius: 8px;
    overflow: hidden;
    position: relative;
}

.incuc-link-preview-image {
    width: 100%;
    max-height: 250px;
    object-fit: cover;
}

.incuc-link-preview-content {
    padding: 15px;
}

.incuc-link-preview-site {
    font-size: 12px;
    color: var(--incuc-activity-text-muted);
    text-transform: uppercase;
}

.incuc-link-preview-title {
    margin: 5px 0;
    font-size: 16px;
    font-weight: 600;
    color: var(--incuc-activity-text);
}

.incuc-link-preview-description {
    font-size: 14px;
    color: var(--incuc-activity-text-muted);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.incuc-link-preview-remove {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 28px;
    height: 28px;
    background: rgba(0,0,0,0.6);
    color: #fff;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 18px;
    line-height: 1;
}

/* ============================================
   Activity Item
   ============================================ */
.incuc-activity-item {
    background: var(--incuc-activity-bg);
    border: 1px solid var(--incuc-activity-border);
    border-radius: 8px;
    margin-bottom: 15px;
    overflow: hidden;
}

.incuc-activity-item.is-pinned {
    border-color: var(--incuc-activity-link);
    box-shadow: 0 0 0 1px var(--incuc-activity-link);
}

.incuc-activity-pinned-badge {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 8px 15px;
    background: #e3f2fd;
    font-size: 12px;
    color: var(--incuc-activity-link);
}

.incuc-activity-header {
    display: flex;
    align-items: flex-start;
    padding: 15px;
    gap: 12px;
}

.incuc-activity-avatar-link {
    flex-shrink: 0;
}

.incuc-activity-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
}

.incuc-activity-meta {
    flex: 1;
    min-width: 0;
}

.incuc-activity-author {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.incuc-activity-author-name {
    font-size: 15px;
    font-weight: 600;
    color: var(--incuc-activity-text);
    text-decoration: none;
}

.incuc-activity-author-name:hover {
    text-decoration: underline;
}

.incuc-activity-type {
    font-size: 14px;
    color: var(--incuc-activity-text-muted);
}

.incuc-activity-time {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 13px;
    color: var(--incuc-activity-text-muted);
    margin-top: 3px;
}

.incuc-activity-time a {
    color: inherit;
    text-decoration: none;
}

.incuc-activity-time a:hover {
    text-decoration: underline;
}

.incuc-activity-privacy-icon {
    font-size: 12px;
}

.incuc-activity-menu {
    position: relative;
}

.incuc-activity-menu-toggle {
    width: 32px;
    height: 32px;
    background: transparent;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    color: var(--incuc-activity-text-muted);
    font-size: 18px;
    transition: background 0.2s;
}

.incuc-activity-menu-toggle:hover {
    background: var(--incuc-activity-hover);
}

.incuc-activity-menu-dropdown {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    min-width: 150px;
    background: var(--incuc-activity-bg);
    border: 1px solid var(--incuc-activity-border);
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    z-index: 100;
    overflow: hidden;
}

.incuc-activity-menu-dropdown.is-open {
    display: block;
}

.incuc-activity-menu-item {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 10px 15px;
    background: transparent;
    border: none;
    text-align: left;
    font-size: 14px;
    color: var(--incuc-activity-text);
    cursor: pointer;
    transition: background 0.2s;
}

.incuc-activity-menu-item:hover {
    background: var(--incuc-activity-hover);
}

.incuc-activity-menu-item.is-danger {
    color: #d32f2f;
}

/* ============================================
   Activity Content
   ============================================ */
.incuc-activity-content {
    padding: 0 15px 15px;
}

.incuc-activity-text {
    font-size: 15px;
    line-height: 1.6;
    color: var(--incuc-activity-text);
    word-wrap: break-word;
}

.incuc-activity-text a {
    color: var(--incuc-activity-link);
}

.incuc-activity-text .incuc-mention {
    color: var(--incuc-activity-link);
    font-weight: 500;
}

.incuc-activity-media {
    margin-top: 10px;
}

.incuc-activity-media img {
    max-width: 100%;
    border-radius: 8px;
}

/* ============================================
   Reactions Bar
   ============================================ */
.incuc-activity-reactions-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 15px;
    font-size: 14px;
    color: var(--incuc-activity-text-muted);
    border-top: 1px solid var(--incuc-activity-border);
}

.incuc-reactions-summary {
    display: flex;
    align-items: center;
    gap: 5px;
}

.incuc-reactions-icons {
    display: flex;
}

.incuc-reactions-icon {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    margin-left: -4px;
    border: 2px solid var(--incuc-activity-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
}

.incuc-reactions-icon:first-child {
    margin-left: 0;
}

.incuc-reactions-icon.reaction-like { background: var(--incuc-reaction-like); }
.incuc-reactions-icon.reaction-love { background: var(--incuc-reaction-love); }
.incuc-reactions-icon.reaction-haha { background: var(--incuc-reaction-haha); }
.incuc-reactions-icon.reaction-wow { background: var(--incuc-reaction-wow); }
.incuc-reactions-icon.reaction-sad { background: var(--incuc-reaction-sad); }
.incuc-reactions-icon.reaction-angry { background: var(--incuc-reaction-angry); }

.incuc-comments-count,
.incuc-shares-count {
    cursor: pointer;
}

.incuc-comments-count:hover,
.incuc-shares-count:hover {
    text-decoration: underline;
}

/* ============================================
   Activity Actions
   ============================================ */
.incuc-activity-actions {
    display: flex;
    border-top: 1px solid var(--incuc-activity-border);
}

.incuc-activity-action {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px;
    background: transparent;
    border: none;
    font-size: 14px;
    font-weight: 500;
    color: var(--incuc-activity-text-muted);
    cursor: pointer;
    transition: background 0.2s, color 0.2s;
    position: relative;
}

.incuc-activity-action:hover {
    background: var(--incuc-activity-hover);
    color: var(--incuc-activity-text);
}

.incuc-activity-action.is-active {
    color: var(--incuc-reaction-like);
}

.incuc-activity-action.is-active.reaction-love { color: var(--incuc-reaction-love); }
.incuc-activity-action.is-active.reaction-haha { color: var(--incuc-reaction-haha); }
.incuc-activity-action.is-active.reaction-angry { color: var(--incuc-reaction-angry); }

/* Reaction picker */
.incuc-reaction-picker {
    display: none;
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--incuc-activity-bg);
    border: 1px solid var(--incuc-activity-border);
    border-radius: 24px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    padding: 5px 10px;
    margin-bottom: 5px;
    z-index: 100;
}

.incuc-activity-action:hover .incuc-reaction-picker {
    display: flex;
    gap: 5px;
}

.incuc-reaction-btn {
    width: 40px;
    height: 40px;
    background: transparent;
    border: none;
    border-radius: 50%;
    font-size: 24px;
    cursor: pointer;
    transition: transform 0.2s;
}

.incuc-reaction-btn:hover {
    transform: scale(1.3);
}

/* ============================================
   Comments Section
   ============================================ */
.incuc-activity-comments {
    border-top: 1px solid var(--incuc-activity-border);
    padding: 15px;
}

.incuc-comment-form {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
}

.incuc-comment-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    object-fit: cover;
}

.incuc-comment-input-wrapper {
    flex: 1;
    position: relative;
}

.incuc-comment-input {
    width: 100%;
    padding: 10px 40px 10px 15px;
    border: 1px solid var(--incuc-activity-border);
    border-radius: 20px;
    font-size: 14px;
    outline: none;
    resize: none;
    transition: border-color 0.2s;
}

.incuc-comment-input:focus {
    border-color: var(--incuc-activity-link);
}

.incuc-comment-submit {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    background: transparent;
    border: none;
    color: var(--incuc-activity-link);
    cursor: pointer;
    font-size: 18px;
    opacity: 0.5;
    transition: opacity 0.2s;
}

.incuc-comment-submit:hover,
.incuc-comment-input:not(:placeholder-shown) + .incuc-comment-submit {
    opacity: 1;
}

/* Comment item */
.incuc-comment-item {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
}

.incuc-comment-item.is-reply {
    margin-left: 46px;
}

.incuc-comment-item.depth-2 {
    margin-left: 92px;
}

.incuc-comment-body {
    flex: 1;
}

.incuc-comment-bubble {
    display: inline-block;
    background: var(--incuc-activity-hover);
    padding: 10px 15px;
    border-radius: 18px;
}

.incuc-comment-author {
    font-size: 13px;
    font-weight: 600;
    color: var(--incuc-activity-text);
    text-decoration: none;
}

.incuc-comment-author:hover {
    text-decoration: underline;
}

.incuc-comment-text {
    font-size: 14px;
    color: var(--incuc-activity-text);
    margin-top: 2px;
    word-wrap: break-word;
}

.incuc-comment-text .incuc-mention {
    color: var(--incuc-activity-link);
    font-weight: 500;
}

.incuc-comment-actions {
    display: flex;
    gap: 15px;
    margin-top: 5px;
    margin-left: 12px;
    font-size: 12px;
}

.incuc-comment-action {
    color: var(--incuc-activity-text-muted);
    background: transparent;
    border: none;
    cursor: pointer;
    font-weight: 500;
    padding: 0;
}

.incuc-comment-action:hover {
    text-decoration: underline;
}

.incuc-comment-action.is-active {
    color: var(--incuc-activity-link);
}

.incuc-comment-time {
    color: var(--incuc-activity-text-muted);
}

.incuc-view-more-comments {
    display: block;
    width: 100%;
    padding: 10px;
    background: transparent;
    border: none;
    color: var(--incuc-activity-text-muted);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    text-align: left;
}

.incuc-view-more-comments:hover {
    color: var(--incuc-activity-text);
}

/* ============================================
   Load More / Empty State
   ============================================ */
.incuc-activity-load-more {
    text-align: center;
    padding: 20px;
}

.incuc-load-more-btn {
    padding: 12px 30px;
    background: var(--incuc-activity-bg);
    border: 1px solid var(--incuc-activity-border);
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    color: var(--incuc-activity-text);
    cursor: pointer;
    transition: background 0.2s;
}

.incuc-load-more-btn:hover {
    background: var(--incuc-activity-hover);
}

.incuc-load-more-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.incuc-activity-empty {
    text-align: center;
    padding: 60px 20px;
    background: var(--incuc-activity-bg);
    border: 1px solid var(--incuc-activity-border);
    border-radius: 8px;
}

.incuc-activity-empty-icon {
    font-size: 48px;
    color: var(--incuc-activity-text-muted);
    margin-bottom: 15px;
}

.incuc-activity-empty-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--incuc-activity-text);
    margin-bottom: 5px;
}

.incuc-activity-empty-text {
    font-size: 14px;
    color: var(--incuc-activity-text-muted);
}

/* ============================================
   Loading States
   ============================================ */
.incuc-activity-loading {
    text-align: center;
    padding: 40px;
}

.incuc-loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--incuc-activity-border);
    border-top-color: var(--incuc-activity-link);
    border-radius: 50%;
    animation: incuc-spin 1s linear infinite;
    margin: 0 auto;
}

@keyframes incuc-spin {
    to { transform: rotate(360deg); }
}

.incuc-activity-item.is-loading {
    opacity: 0.5;
    pointer-events: none;
}

/* ============================================
   Mentions Dropdown
   ============================================ */
.incuc-mentions-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--incuc-activity-bg);
    border: 1px solid var(--incuc-activity-border);
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    max-height: 200px;
    overflow-y: auto;
    z-index: 1000;
}

.incuc-mention-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 15px;
    cursor: pointer;
    transition: background 0.2s;
}

.incuc-mention-item:hover,
.incuc-mention-item.is-selected {
    background: var(--incuc-activity-hover);
}

.incuc-mention-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
}

.incuc-mention-info {
    flex: 1;
}

.incuc-mention-name {
    font-size: 14px;
    font-weight: 500;
    color: var(--incuc-activity-text);
}

.incuc-mention-username {
    font-size: 12px;
    color: var(--incuc-activity-text-muted);
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 768px) {
    .incuc-activity-feed {
        padding: 0 10px;
    }

    .incuc-post-form {
        padding: 15px;
    }

    .incuc-post-form-footer {
        flex-direction: column;
        gap: 15px;
    }

    .incuc-post-form-actions {
        width: 100%;
        justify-content: flex-start;
    }

    .incuc-post-submit {
        width: 100%;
    }

    .incuc-activity-header {
        padding: 12px;
    }

    .incuc-activity-avatar {
        width: 40px;
        height: 40px;
    }

    .incuc-activity-content {
        padding: 0 12px 12px;
    }

    .incuc-activity-action {
        padding: 10px 8px;
        font-size: 13px;
    }

    .incuc-activity-action span:not(.incuc-action-icon) {
        display: none;
    }

    .incuc-activity-comments {
        padding: 12px;
    }

    .incuc-comment-item.is-reply {
        margin-left: 30px;
    }

    .incuc-comment-item.depth-2 {
        margin-left: 40px;
    }

    .incuc-reaction-picker {
        left: 0;
        transform: none;
    }
}

@media (max-width: 480px) {
    .incuc-activity-author {
        flex-direction: column;
        align-items: flex-start;
        gap: 2px;
    }

    .incuc-activity-type {
        margin-left: 0;
    }

    .incuc-link-preview-content {
        padding: 12px;
    }

    .incuc-link-preview-title {
        font-size: 14px;
    }

    .incuc-link-preview-description {
        font-size: 13px;
    }
}