#wp-coder-day-counter {
    --primary-green: #10b981;
    --dark-green: #059669;
    --bg-grey: #f1f5f9;
    --card-bg: #ffffff;
    --text-dark: #1e293b;
    --border: #cbd5e1;
    background-color: var(--bg-grey);
    padding: 20px;
    border-radius: 10px;
}

#wp-coder-day-counter .header { text-align: center; margin-bottom: 20px; }
#wp-coder-day-counter .header h2 { margin:0; color: var(--text-dark); }

#wp-coder-day-counter .counter-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

#wp-coder-day-counter .calc-card {
    background: var(--card-bg);
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
    border-top: 5px solid var(--primary-green);
}

#wp-coder-day-counter .date-row {
    display: grid;
    grid-template-columns: 2fr 1fr 1.2fr;
    gap: 5px;
    margin-bottom: 10px;
}

#wp-coder-day-counter label {
    display: block;
    font-size: 11px;
    font-weight: bold;
    margin-bottom: 5px;
    color: var(--text-dark);
}

#wp-coder-day-counter select, 
#wp-coder-day-counter input {
    width: 100%;
    padding: 8px;
    border: 1px solid var(--border);
    border-radius: 5px;
    font-size: 14px;
}

#wp-coder-day-counter .calc-btn {
    width: 100%;
    background: var(--primary-green);
    color: white;
    border: none;
    padding: 12px;
    font-weight: bold;
    border-radius: 6px;
    cursor: pointer;
    margin-top: 10px;
}

#wp-coder-day-counter .calc-btn:hover { background: var(--dark-green); }

#wp-coder-day-counter .result-area {
    margin-top: 15px;
    padding: 10px;
    background: #ecfdf5;
    border-radius: 5px;
    display: none;
    text-align: center;
    font-weight: bold;
}