.shifts-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* My Signups section - now at the top */
.my-signups {
    margin-bottom: 40px;
    padding-bottom: 30px;
    border-bottom: 1px solid #e0e0e0;
}

.my-signups h2 {
    margin-bottom: 20px;
    color: var(--dark-color);
}

.signup-item {
    background: white;
    border: 1px solid #e0e0e0;
    border-radius: var(--border-radius);
    padding: 15px;
    margin-bottom: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.signup-item h4 {
    margin: 0 0 5px 0;
}

.signup-item p {
    margin: 0;
    color: var(--secondary-color);
}

/* Filters section */
.shifts-filters {
    margin-bottom: 30px;
}

.shifts-filters h2 {
    margin-bottom: 15px;
    color: var(--dark-color);
}

.filter-group {
    display: flex;
    gap: 10px;
    align-items: center;
    margin-top: 10px;
}

.filter-group input {
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
}

/* Desktop: 3 columns layout */
.shifts-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 40px;
}

.shift-card {
    background: white;
    border: 1px solid #e0e0e0;
    border-radius: var(--border-radius);
    padding: 20px;
    transition: var(--transition);
}

.shift-card:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.shift-card.full {
    opacity: 0.7;
}

.shift-card.signed-up {
    border-color: var(--success-color);
    background-color: #f0f9ff;
}

.shift-card h3 {
    margin: 0 0 15px 0;
    color: var(--dark-color);
}

.shift-details {
    margin-bottom: 15px;
}

.shift-details p {
    margin: 5px 0;
    color: var(--secondary-color);
}

.shift-description {
    margin: 15px 0;
    color: var(--dark-color);
}

.shift-actions {
    margin-top: 15px;
}

.no-shifts {
    text-align: center;
    color: var(--secondary-color);
    padding: 40px;
    grid-column: 1 / -1; /* Span all columns */
}

/* Tablet: 2 columns */
@media (max-width: 1024px) and (min-width: 769px) {
    .shifts-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Mobile: 1 column */
@media (max-width: 768px) {
    .shifts-container {
        padding: 15px;
    }
    
    .shifts-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .signup-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    .shift-card {
        padding: 15px;
    }
    
    .my-signups {
        margin-bottom: 30px;
        padding-bottom: 20px;
    }
    
    .shifts-filters {
        margin-bottom: 20px;
    }
    
    .filter-group {
        flex-wrap: wrap;
    }
}