:root {
    --primary-color: #4a90e2; /* Modern Blue */
    --secondary-color: #f7f7f7; /* Light Grey Background */
    --text-color: #333;
    --card-background: #fff;
    --border-color: #ddd;
    --founder-color: #ff9800; /* Orange */
    --market-color: #4caf50; /* Green */
    --tech-color: #9c27b0; /* Purple */
    --detail-background: #fdfdfd; /* Off-white for task details */
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--secondary-color);
    color: var(--text-color);
    line-height: 1.6;
    padding: 20px;
}

.contribution-dashboard {
    max-width: 1100px;
    margin: 0 auto;
    background: var(--card-background);
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 25px rgba(0, 0, 0, 0.15);
}

h1 {
    color: var(--primary-color);
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 10px;
    margin-bottom: 20px;
}

.summary-text {
    font-style: italic;
    color: #666;
    margin-bottom: 30px;
}

/* --- Summary Card Styling (Retained) --- */
.summary-card {
    background-color: #e3f2fd;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 30px;
    border-left: 5px solid var(--primary-color);
}

.summary-card h2 {
    color: var(--primary-color);
    margin-top: 0;
    font-size: 1.5em;
}

.summary-grid {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 10px 20px;
    font-weight: bold;
}

.role-header, .percent-header {
    background-color: var(--primary-color);
    color: var(--card-background);
    padding: 8px;
    border-radius: 4px;
    text-align: center;
}

.role-name, .role-percent {
    padding: 6px;
    border-radius: 4px;
}

.founder { background-color: #fff3e0; color: var(--founder-color); }
.market { background-color: #e8f5e9; color: var(--market-color); }
.tech { background-color: #f3e5f5; color: var(--tech-color); }

.role-percent { text-align: right; }

/* --- Tabs Styling (Retained) --- */
.tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 20px;
}

.tabs input[type="radio"] {
    display: none;
}

.tabs label {
    padding: 12px 20px;
    background: var(--border-color);
    color: var(--text-color);
    cursor: pointer;
    border-radius: 8px 8px 0 0;
    transition: background-color 0.3s, color 0.3s;
    font-weight: 600;
}

.tabs label:hover {
    background-color: #ccc;
}

.tabs input[type="radio"]:checked + label {
    background: var(--primary-color);
    color: var(--card-background);
    z-index: 1;
}

.tab-content {
    order: 99;
    width: 100%;
    border-top: 5px solid var(--primary-color);
    padding: 20px 0;
    background: var(--detail-background);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
    display: none; 
}

.tabs input[type="radio"]:checked + label + .tab-content {
    display: block;
}

/* --- New Detailed Task Card Styling --- */
.task-list-container {
    padding: 0 20px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.task-detail-card {
    background-color: var(--card-background);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 15px 20px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    transition: transform 0.2s;
}

.task-detail-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.task-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 2px solid #eee;
    padding-bottom: 10px;
    margin-bottom: 10px;
}

.task-header h4 {
    margin: 0;
    font-size: 1.2em;
    color: var(--primary-color);
}

.task-credit {
    font-weight: bold;
    padding: 5px 10px;
    border-radius: 5px;
    font-size: 0.9em;
}

.task-description {
    font-weight: bold;
    margin-top: 15px;
    margin-bottom: 5px;
}

.task-detail-card ul {
    list-style-type: '— ';
    padding-left: 20px;
    margin-top: 0;
}

.completion-criteria {
    margin-top: 15px;
    padding: 10px;
    border-left: 4px solid var(--market-color);
    background-color: #f0fff0; /* Very light green for DoD */
    font-size: 0.9em;
    font-weight: 500;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .task-header {
        flex-direction: column;
        align-items: flex-start;
    }
    .task-credit {
        margin-top: 5px;
        font-size: 0.85em;
    }
}