.appointment-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.appointment-stats .stat-card {
    background: #fff;
    border-radius: var(--radius);
    padding: 1.25rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    border: 1px solid var(--gray-200);
    transition: all 0.2s;
}

.appointment-stats .stat-card:hover {
    box-shadow: var(--shadow);
    border-color: var(--gray-300);
}

.appointment-stats .stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.appointment-stats .stat-info {
    flex: 1;
}

.appointment-stats .stat-label {
    font-size: 0.75rem;
    color: var(--gray-500);
    font-weight: 500;
}

.appointment-stats .stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
}

.appointments-filters {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.filter-group {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.5rem 1rem;
    border: 1px solid var(--gray-200);
    border-radius: 9999px;
    background: #fff;
    color: var(--gray-600);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.filter-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.filter-btn.active {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}

.search-group {
    position: relative;
    width: 250px;
}

.search-group i {
    position: absolute;
    left: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-400);
    font-size: 0.875rem;
}

.search-group input {
    width: 100%;
    padding: 0.625rem 1rem 0.625rem 2.25rem;
    border: 1px solid var(--gray-200);
    border-radius: 9999px;
    font-size: 0.875rem;
    transition: all 0.2s;
}

.search-group input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.appointments-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.appointment-card {
    background: #fff;
    border-radius: var(--radius);
    border: 1px solid var(--gray-200);
    overflow: hidden;
    transition: all 0.2s;
}

.appointment-card:hover {
    border-color: var(--primary);
    box-shadow: 0 4px 16px rgba(0,0,0,0.08);
}

.appointment-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--gray-100);
    background: var(--gray-50);
}

.appointment-lead-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.appointment-lead-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 1rem;
    color: #fff;
    flex-shrink: 0;
}

.appointment-lead-name {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--gray-800);
}

.appointment-lead-contact {
    font-size: 0.8rem;
    color: var(--gray-500);
}

.appointment-status-badge {
    padding: 0.375rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: capitalize;
}

.appointment-status-badge.scheduled {
    background: var(--primary-light);
    color: var(--primary);
}

.appointment-status-badge.completed {
    background: var(--success-light);
    color: var(--success);
}

.appointment-status-badge.cancelled {
    background: var(--gray-100);
    color: var(--gray-600);
}

.appointment-status-badge.no_show {
    background: var(--warning-light);
    color: var(--warning);
}

.appointment-card-body {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    padding: 1rem 1.25rem;
}

.appointment-detail {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.appointment-detail-label {
    font-size: 0.7rem;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

.appointment-detail-value {
    font-size: 0.875rem;
    color: var(--gray-800);
    font-weight: 500;
}

.appointment-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1.25rem;
    border-top: 1px solid var(--gray-100);
    background: var(--gray-50);
}

.appointment-source {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.8rem;
    color: var(--gray-500);
}

.appointment-source i {
    font-size: 0.75rem;
}

.appointment-actions {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.status-select {
    padding: 0.375rem 0.5rem;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    color: var(--gray-700);
    background: #fff;
    cursor: pointer;
}

.status-select:focus {
    outline: none;
    border-color: var(--primary);
}

.appointment-notes {
    padding: 0.75rem 1.25rem;
    border-top: 1px solid var(--gray-100);
    font-size: 0.85rem;
    color: var(--gray-600);
    background: #fff;
}

.appointment-notes i {
    color: var(--gray-400);
    margin-right: 0.5rem;
}

.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--gray-500);
}

.empty-state i {
    font-size: 3rem;
    color: var(--gray-300);
    margin-bottom: 1rem;
}

.empty-state h3 {
    font-size: 1.1rem;
    color: var(--gray-700);
    margin-bottom: 0.5rem;
}

.empty-state p {
    margin-bottom: 1.5rem;
}

.readonly-field {
    padding: 0.75rem 1rem;
    background: var(--gray-50);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    color: var(--gray-700);
    font-weight: 500;
}

@media (max-width: 992px) {
    .appointment-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .appointment-card-body {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .appointments-filters {
        flex-direction: column;
        align-items: stretch;
    }
    
    .filter-group {
        overflow-x: auto;
        flex-wrap: nowrap;
        padding-bottom: 0.5rem;
    }
    
    .filter-btn {
        white-space: nowrap;
    }
    
    .search-group {
        width: 100%;
    }
    
    .appointment-card-body {
        grid-template-columns: 1fr;
    }
    
    .appointment-card-footer {
        flex-direction: column;
        gap: 0.75rem;
        align-items: flex-start;
    }
    
    .appointment-actions {
        width: 100%;
        justify-content: space-between;
    }
}

@media (max-width: 480px) {
    .appointment-stats {
        grid-template-columns: 1fr 1fr;
        gap: 0.75rem;
    }
    
    .appointment-card-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }
}