/* General Usability Styles */
:root {
    --primary-color: #2563eb;
    --bg-color: #f1f5f9;
    --card-bg: #ffffff;
    --text-main: #1e293b;
    --status-pending: #dc2626;
    --status-completed: #16a34a;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    margin: 0;
    padding: 20px;
}

.container {
    max-width: 800px;
    margin: 0 auto;
}

header {
    text-align: center;
    margin-bottom: 30px;
}

/* Progress Summary Styling */
.progress-container {
    background: var(--card-bg);
    padding: 20px;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    margin-bottom: 20px;
}

/* Activity Card Styling */
.activity-card {
    background: var(--card-bg);
    padding: 15px 20px;
    border-radius: 8px;
    margin-bottom: 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.info h3 { margin: 0; font-size: 1.2rem; }
.info p { margin: 5px 0; color: #64748b; font-size: 0.9rem; }

/* Status Badges */
.badge {
    font-weight: bold;
    font-size: 0.8rem;
    padding: 4px 8px;
    border-radius: 4px;
}
.pending { color: var(--status-pending); background: #fee2e2; }
.completed { color: var(--status-completed); background: #dcfce7; }

/* Interactive Buttons */
button {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 10px 15px;
    border-radius: 5px;
    cursor: pointer;
    transition: 0.3s;
}

button:disabled {
    background: #cbd5e1;
    cursor: not-allowed;
}

/* Responsive adjustments for mobile */
@media (max-width: 600px) {
    .activity-card { flex-direction: column; text-align: center; gap: 15px; }
}