:root {
        --collaboration-bg: #f4f7f9;
        --collaboration-card-bg: #ffffff;
        --collaboration-accent: #00796b;
        --collaboration-accent-light: #e0f2f1;
        --collaboration-text-main: #222;
        --collaboration-text-sub: #555;
        --collaboration-border: #e0e0e0;
        --collaboration-shadow: 0 3px 10px rgba(0,0,0,0.08);
    }
    body {
        color: var(--collaboration-text-main);
    }

    /* Layout */
    .collaboration-container {
        display: flex;
        gap: 24px;
        margin: auto;
        padding: 20px;
    }

    /* Sidebar */
    .collaboration-sidebar {
        flex: 0 0 260px;
        background: var(--collaboration-card-bg);
        border-radius: 12px;
        padding: 20px;
        box-shadow: var(--collaboration-shadow);
        height: fit-content;
        position: sticky;
        top: 20px;
    }
    .collaboration-sidebar h3 {
        font-size: 16px;
        margin-bottom: 10px;
        color: #9c27b0;
    }
    .collaboration-filter-group { margin-bottom: 25px; }
    .collaboration-filter-group label {
        display: block;
        font-size: 14px;
        color: var(--collaboration-text-sub);
        margin: 5px 0;
    }
    input[type=checkbox] { margin-right: 6px; }
    select, input[type=range] {
        width: 100%;
        padding: 6px;
        border-radius: 6px;
        border: 1px solid var(--collaboration-border);
        margin-top: 5px;
    }

    /* Search Bar */
    .collaboration-search-bar {
        display: flex;
        align-items: center;
        gap: 10px;
        margin-bottom: 20px;
        background: var(--collaboration-card-bg);
        padding: 12px 16px;
        border-radius: 10px;
        box-shadow: var(--collaboration-shadow);
    }
    .collaboration-search-bar input {
        flex: 1;
        padding: 10px;
        border: 1px solid var(--collaboration-border);
        border-radius: 6px;
        font-size: 15px;
    }
    .collaboration-search-bar button {
        background: #9c27b0;
        color: #fff;
        padding: 10px 18px;
        border: none;
        border-radius: 6px;
        cursor: pointer;
        font-size: 15px;
    }
    .collaboration-search-bar button:hover {
        background: #e91e63;
    }

    /* Job list */
    .collaboration-content { flex: 1; padding: 0px 40px;}
    .collaboration-results-count {
        font-size: 14px;
        color: var(--collaboration-text-sub);
        margin-bottom: 16px;
    }

    .collaboration-job-card {
        background: var(--collaboration-card-bg);
        border-radius: 12px;
        box-shadow: var(--collaboration-shadow);
        margin-bottom: 20px;
        padding: 20px;
        transition: transform 0.2s, box-shadow 0.2s;
        display: flex;
        justify-content: space-between;
        align-items: flex-start;
        flex-wrap: wrap;
        border-left: 4px solid #9C27B0;
    }
    .collaboration-job-card:hover {
        transform: translateY(-3px);
        box-shadow: 0 6px 16px rgba(0,0,0,0.1);
    }

    .collaboration-job-info { flex: 1 1 70%; min-width: 260px; }
    .collaboration-job-title {
        font-size: 18px;
        font-weight: 600;
        color: #9c27b0;
        margin-bottom: 6px;
    }
    .collaboration-job-meta {
        font-size: 13px;
        color: var(--collaboration-text-sub);
        margin-bottom: 8px;
    }
    .collaboration-job-desc {
        font-size: 14px;
        color: var(--collaboration-text-sub);
        line-height: 1.5;
        margin-bottom: 12px;
    }
    .collaboration-tags {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
    }
    .collaboration-tag {
        background: #e91e630f;
        color: #9c27b0;
        padding: 5px 10px;
        border-radius: 20px;
        font-size: 12px;
        font-weight: 500;
    }

    .collaboration-job-side {
        text-align: right;
        min-width: 160px;
    }
    .collaboration-price {
        font-weight: bold;
        font-size: 16px;
        color: var(--collaboration-text-main);
    }
    .collaboration-rate-type {
        font-size: 13px;
        color: var(--collaboration-text-sub);
        margin-bottom: 10px;
    }
    .collaboration-btn {
        display: inline-block;
        background: #e91e63;
        color: white;
        padding: 8px 14px;
        border-radius: 8px;
        font-size: 14px;
        text-decoration: none;
        transition: background 0.3s;
    }
    .collaboration-btn:hover { background: #9c27b0; }

    /* Watchlist Button */
    .collaboration-watchlist-btn {
        background: transparent;
        border: none;
        position: absolute;
        top: 14px;
        right: 14px;
        cursor: pointer;
        padding: 6px;
        border-radius: 50%;
        transition: background 0.3s ease;
    }

    .collaboration-watchlist-btn:hover {
        background: rgba(0, 0, 0, 0.05);
    }

    /* Parent card */
    .collaboration-job-card {
        position: relative;
        overflow: hidden;
    }

    /* Watchlist container — top right of the whole card */
    .collaboration-watchlist-container {
        position: absolute;
        right: 10px;
        top : 1px;
    }
    .collaboration-send-container {
        bottom: 15px;
        position: absolute;
        right: 25px;
    }

    /* Round button */
    .collaboration-watchlist-btn {
        background: #ffffff;
        border: 1px solid var(--collaboration-border);
        border-radius: 50%;
        width: 36px;
        height: 36px;
        display: flex;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        box-shadow: var(--collaboration-shadow);
        transition: all 0.25s ease;
    }

    .collaboration-watchlist-btn:hover {
        background: var(--collaboration-accent-light);
        transform: scale(1.08);
    }

    /* Heart SVG */
    .collaboration-watchlist-icon {
        width: 20px;
        height: 20px;
        fill: #ccc;
        transition: fill 0.25s ease;
    }

    /* When active (clicked) */
    .collaboration-watchlist-btn.active .collaboration-watchlist-icon {
        fill: #e91e63;
    }



    /* Responsive */
    @media (max-width: 992px) {
        .collaboration-container { flex-direction: column; }
        .collaboration-sidebar { position: static;}
        .collaboration-job-card { flex-direction: column; align-items: flex-start; }
        .collaboration-job-side { text-align: left; margin-top: 12px; }
    }

    @media (max-width: 600px) {
        .collaboration-container { padding: 10px; }
        .collaboration-job-card { padding: 16px; }
        .collaboration-job-title { font-size: 16px; }
        .collaboration-btn { width: 100%; text-align: center; }
        .collaboration-search-bar { flex-direction: column; }
        .collaboration-search-bar button { width: 100%; }
    }