:root {
    --primary: #2563eb;
    --success: #16a34a;
    --warning: #f59e0b;
    --bg: #f8fafc;
    --card-bg: #ffffff;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg);
    display: flex;
    justify-content: center;
    padding: 40px;
}

.card {
    background: var(--card-bg);
    width: 380px;
    padding: 24px;
    border-radius: 20px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.05);
}

.tag {
    font-size: 10px;
    font-weight: 800;
    color: var(--primary);
    background: #eff6ff;
    padding: 4px 8px;
    border-radius: 4px;
    display: inline-block;
}

.progress-bar-bg {
    background: #e2e8f0;
    height: 12px;
    border-radius: 10px;
    margin: 15px 0;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #3b82f6, #2563eb);
    width: 0%; /* Managed by JS */
    transition: width 0.8s cubic-bezier(0.17, 0.67, 0.83, 0.67);
}

.stats-grid {
    display: grid;
    grid-cols: 2;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-bottom: 20px;
}

.stat-item {
    background: #f1f5f9;
    padding: 12px;
    border-radius: 12px;
}

.btn-primary {
    width: 100%;
    padding: 14px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s;
}

.btn-primary:active { transform: scale(0.98); }